Java Course and Certification

From Basics to Brilliance: Explore Our Java Course

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Java Course Overview

This advanced Java Certification Training is designed to guide you through the concepts of Java from introductory techniques to advanced programming skills. This Java course will also provide you with the knowledge of Core Java 8, operators, arrays, loops, methods, and constructors while giving you hands-on experience in JDBC and JUnit framework.

Java Training Key Features

100% Money Back Guarantee
No questions asked refund*

At Simplilearn, we value the trust of our patrons immensely. But, if you feel that a course does not meet your expectations, we offer a 7-day money-back guarantee. Just send us a refund request via email within 7 days of purchase and we will refund 100% of your payment, no questions asked!
  • Hands-on coding and implementation of two web-based projects
  • 35 coding-related exercises on Core Java 8
  • Flexibility to choose classes
  • Includes Hibernate and Spring frameworks
  • Lifetime access to self-paced learning
  • Hands-on coding and implementation of two web-based projects
  • Includes Hibernate and Spring frameworks
  • 35 coding-related exercises on Core Java 8
  • Lifetime access to self-paced learning
  • Flexibility to choose classes
  • Hands-on coding and implementation of two web-based projects
  • Includes Hibernate and Spring frameworks
  • 35 coding-related exercises on Core Java 8
  • Lifetime access to self-paced learning
  • Flexibility to choose classes

Skills Covered

  • Core Java 8 concepts
  • Java Servlet
  • SOA and web services
  • J2EE HTTP protocol and HTML
  • Java EE
  • Hibernate and Spring frameworks
  • Multithreading string handling exception handling techniques
  • Core Java 8 concepts
  • Java EE
  • Java Servlet
  • Hibernate and Spring frameworks
  • SOA and web services
  • Multithreading string handling exception handling techniques
  • J2EE HTTP protocol and HTML
  • Core Java 8 concepts
  • Java EE
  • Java Servlet
  • Hibernate and Spring frameworks
  • SOA and web services
  • Multithreading string handling exception handling techniques
  • J2EE HTTP protocol and HTML

Take the first step to your goals

Lifetime access to self-paced e learning content


Java is the most popular programming language and works across all computer and mobile platforms without needing to be recompiled. It is one of the top-paying jobs in software development, The one with the Java certification can expect to earn an average of $102,000 per year.

  • Designation
  • Annual Salary
  • Hiring Companies
  • Annual Salary
    Source: Glassdoor
    Hiring Companies
    ICS Consultancy Services
    Source: Indeed
  • Annual Salary
    Source: Glassdoor
    Hiring Companies
    Wells Fargo
    Source: Indeed
  • Annual Salary
    Source: Glassdoor
    Hiring Companies
    Source: Indeed
  • Annual Salary
    Source: Glassdoor
    Hiring Companies
    Source: Indeed

Training Options

Self Paced Learning

  • Lifetime access to high-quality self-paced e-learning content curated by industry experts
  • 24x7 learner assistance and support


Corporate Training

Customised to enterprise needs

  • Blended learning delivery model (self-paced eLearning and/or instructor-led options)
  • Flexible pricing options
  • Enterprise grade Learning Management System (LMS)
  • Enterprise dashboards for individuals and teams
  • 24x7 learner assistance and support

Java Course Curriculum


Simplilearn’s Java course is ideal for software developers, web designers, programming enthusiasts, engineering graduates, and students or professionals who wish to become Java developers.
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Learners need to possess an undergraduate degree or a high school diploma. Knowledge of Core Java.
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Course Content

  • Java Certification course

    • Lesson 01 - Introduction to Java EE

      • 1.1 Introduction to Java EE
    • Lesson 02 - Java Servlet I

      • 2.1 Servlets API, Interfaces, and Methods
      • 2.2 Servlet Lifecycle
      • 2.3 Configure and Deploy Servlet
      • 2.4 ServletRequest, ServletResponse
      • 2.5 ServletConfig, ServletContext
      • 2.6 Servlet Scopes, Attributes, and Collaboration
    • Lesson 03 - Java Servlet II

      • 3.1 Session Management
      • 3.2 Listeners in Java EE
      • 3.3 Filters in Java EE
    • Lesson 04 - Java Server Pages

      • 4.1 JSP Lifecycle
      • 4.2 Creating and Working With JSP Elements
      • 4.3 Working With JSP Standard Action
      • 4.4 JSTL and Custom Tag Libraries
    • Lesson 05 - Introduction to Hibernate

      • 5.1 Introduction to Hibernate
      • 5.2 Hibernate CRUD Operation
    • Lesson 06 - Hibernate Queries and Relationship

      • 6.1 Hibernate Queries and Relationships
      • 6.2 Mapping Relationship with Hibernate
    • Lesson 07 - Introduction to Spring

      • 7.1 Introduction to Spring
      • 7.2 Dependency Injection, SpringBean Lifecycle, Wiring and Scope
    • Lesson 08 - Spring AOP

      • 8.1 Introduction to Spring AOP (Aspect-Oriented Programming)
      • 8.2 Configuring AOP in Java Application using AspectJ Approach
    • Lesson 09 - Spring JDBC and Spring Hibernate

      • 9.1 Spring JDBC Implementation in an Application
      • 9.2 Spring Hibernate Template
      • 9.3 Spring JDBC Transaction Management
    • Lesson 10 - Spring MVC

      • 10.1 Spring MVC Architecture, Components, and Framework
      • 10.2 Spring MVC Program
    • Lesson 11 - SOA and Web Services

      • 11.1 Basics of SOA Architecture and Web Services
      • 11.2 Creating SOAP based and RESTful Web Services
  • Free Course
  • Core Java

    • Lesson 01: Introduction to Java 11 and OOPs Concepts

      • 1.01 Course Introduction
      • 1.02 Learning Objectives
      • 1.03 Introduction
      • 1.04 Working of Java program
      • 1.05 Object Oriented Programming
      • 1.06 Install and Work with Eclipse
      • 1.07 Demo - Basic Java Program
      • 1.08 Demo - Displaying Content
      • 1.09 Basic Elements of Java 
      • 1.10 Unicode Characters
      • 1.11 Variables
      • 1.12 Data Types
      • 1.13 Operators
      • 1.14 Operator (Logical Operator)
      • 1.15 Operators Precedence
      • 1.16 Type Casting or Type Conversion
      • 1.17 Conditional Statements
      • 1.18 Conditional Statement (Nested if)
      • 1.19 Loops
      • 1.20 for vs while vs do while
      • 1.21 Access Specifiers
      • 1.22 Java Eleven
      • 1.23 Null, this, and instanceof Operators
      • 1.24 Destructors
      • 1.25 Code Refactoring
      • 1.26 Garbage Collector
      • 1.27 Static Code Analysis
      • 1.28 String
      • 1.29 Arrays Part One
      • 1.30 Arrays Part Two
      • 1.31 For – Each Loop
      • 1.32 Method Overloading
      • 1.33 Command Line Arguments
      • 1.34 Parameter Passing Techniques
      • 1.35 Types of Parameters
      • 1.36 Variable Arguments
      • 1.37 Initializer
      • 1.38 Demo - String Functions Program
      • 1.39 Demo - Quiz Program
      • 1.40 Demo - Student Record and Displaying by Registration Number Program
      • 1.41 Summary
    • Lesson 02: Utility Packages and Inheritance

      • 2.01 Learning Objectives
      • 2.02 Packages in Java
      • 2.04 Inheritance in Java
      • 2.05 Object Type Casting in Java
      • 2.06 Methоd Оverriding in Java
      • 2.07 Lambda Expression in Java
      • 2.08 Static Variables and Methods
      • 2.09 Abstract Classes
      • 2.10 Interface in Java
      • 2.11 Jаvа Set Interfасe
      • 2.12 Marker Interfaces in Java
      • 2.13 Inner Class
      • 2.14 Exception Handling in Java
      • 2.15 Java Memory Management
      • 2.03 Demo - Utility Packages Program
      • 2.17 Demo - Bank Account Statement using Inheritance
      • 2.18 Demo - House Architecture using Polymorphism Program
      • 2.16 Demo - Creating Errors and Catching the Exception Program
      • 2.19 Summary
    • Lesson 03: Multithreading Concepts

      • 3.01 Learning Objectives
      • 3.02 Multithreading
      • 3.03 Introduction to Threads
      • 3.04 Thread Life Cycle
      • 3.05 Thread Priority
      • 3.06 Deamon Thread in Java
      • 3.07 Thread Scheduling and Sleeping
      • 3.08 Thread Synchronization
      • 3.09 Wrapper Classes
      • 3.10 Autoboxing and Unboxing
      • 3.11 java.util and java.lang Classes
      • 3.12 java.lang - String Class
      • 3.13 java.util - StringBuilder and StringTokenizer Class
      • 3.14 java.lang - Math Class
      • 3.15 java.util - Locale Class
      • 3.16 Jаvа Generics
      • 3.17 Collections Framework in Java
      • 3.18 Set Interface in Collection
      • 3.19 Hashcode() in Collection
      • 3.20 List in Collections 
      • 3.21 Queue in Collections 
      • 3.22 Соmраrаtоr Interfасe in Collections
      • 3.23 Deque in Collections
      • 3.24 Map in Collections
      • 3.25 For - Each Method in Java
      • 3.26 Differentiate Collections and Array Class 
      • 3.27 Input or Output Stream
      • 3.28 Class
      • 3.29 Byte Stream Hierarchy
      • 3.30 CharacterStream Classes
      • 3.31 Serialization
      • 3.32 JUnit 
      • 3.33 Logger - log4j
      • 3.34 Demo - Creating and Sorting Students Regno using Arrays
      • 3.35 Demo - Stack Queue and Linked List Programs
      • 3.36 Demo - Multithreading Program
      • 3.37 Summary
    • Lesson 04: Debugging Concepts

      • 4.01 Learning Objectives
      • 4.02 Java Debugging Techniques 
      • 4.03 Tracing and Logging Analysis 
      • 4.04 Log Levels and Log Analysis
      • 4.05 Stack Trace
      • 4.06 Logging using log4j
      • 4.07 Best Practices of log4j Part - One
      • 4.08 Best Practices of log4j Part - Two
      • 4.09 log4j Levels
      • 4.10 Eclipse Debugging Support
      • 4.11 Setting Breаkроints
      • 4.12 Stepping Through or Variable Inspection
      • 4.13 Demo - Analysis of Reports with Logging
      • 4.14 Summary
    • Lesson 05: JUnit

      • 5.01 Learning Objectives
      • 5.02 Introduction
      • 5.03 Unit Testing
      • 5.04 JUnit Test Framework
      • 5.05 JUnit Test Framework - Annotations
      • 5.06 JUnit Test Framework - Assert Class
      • 5.07 JUnit Test Framework - Test Suite
      • 5.08 JUnit Test Framework - Exceptions Test
      • 5.10 Demo - Generating Report using JUnit
      • 5.09 Demo - Testing Student Mark System with JUnit
      • 5.11 Summary
    • Lesson 06: Java Cryptographic Extensions

      • 6.01 Learning Objectives
      • 6.02 Cryptography
      • 6.03 Two Types of Authenticators
      • 6.04 CHACHA20 Stream Cipher and Poly1305 Authenticator
      • 6.05 Example Program
      • 6.06 Demo - Cryptographic Program
      • 6.07 Summary
    • Lesson 07: Design Pattern

      • 7.01 Learning Objectives
      • 7.02 Introduction of Design Pattern
      • 7.03 Types of Design Patterns
      • 7.04 Creational Patterns
      • 7.05 Fасtоry Method Раttern
      • 7.07 Singletоn Design Раttern
      • 7.08 Builder Pattern
      • 7.09 Struсturаl Раtterns
      • 7.10 Adарter Раttern
      • 7.11 Bridge Раttern
      • 7.12 Fасаde Раttern
      • 7.13 Flyweight Design Раttern
      • 7.14 Behаviоrаl Design Раtterns
      • 7.15 Strategy Design Pattern
      • 7.15 Сhаin оf Resроnsibility Раttern
      • 7.16 Command Design Pattern
      • 7.17 Interрreter Design Раttern
      • 7.18 Iterаtоr Design Раttern
      • 7.19 Mediаtоr Design Pаttern
      • 7.20 Memento Design Раttern
      • 7.21 Null Object Design Pattern
      • 7.22 Observer Design Pattern
      • 7.23 State Design Pattern
      • 7.24 Template Method Design Pattern
      • 7.25 Visitor Design Pattern
      • 7.26 JEE or J2EE Design Patterns
      • 7.27 Demo - Loan Approval Process using One of Behavioural Design Pattern
      • 7.06 Demo - Creating Family of Objects using Factory Design Pattern
      • 7.28 Demo - State Design Pattern Program
      • 7.29 Summary

Industry Project

  • Project 1

    Employee Management System

    Create a new system to automate the regulation creation and closure process.

  • Project 2

    Home Insurance

    Build a system that helps individuals buy insurance for a home through a web application.


Java Exam & Certification

Java Course and Certification
  • What do I need to do to unlock my Simplilearn certificate?

    Online Classroom:
    • Attend one complete batch of the Java Training Course
    • Successful completion and evaluation of any one of the given projects
    Online Self-learning:
    • Complete 85% of the Java Certification course
    • Successful completion and evaluation of any one of the given projects

  • Do you provide any practice tests as a part of this Java course?

    Yes, we provide 1 practice test as part of our Java Training course to help you prepare for the actual certification exam. You can try this free Java Fundamentals Practice Test to understand the type of tests that are part of the course curriculum.

  • What are the various Java Certifications available?

    There are four types of certification levels that are structured under the Oracle’s Java certification path. The four levels are:

    • Oracle Certified Associate (OCA)
    • Oracle Certified Professional (OCP)
    • Oracle Certified Expert (OCE)
    • Oracle Certified Master (OCM)

  • How to prepare for a Java Certification exam?

    • Code every day as there is no substitute for coding. This will help you develop coding reading and writing ability
    • Refer good study books depending on which exam you are going to take up
    • Join the Simplilearn Online course as this gives you a chance to interact with your subject expert instructors and fellow aspirants preparing for certifications.
    • Solve practice questions which will help you develop accuracy and speed needed for attempting the exam

  • Do you provide sample Java Interview Questions as well?

    Please refer to the link which would guide you with the top 10 Interview Questions & Answers for Java Developers.

Java Course Reviews

  • Samlesh Panda

    Samlesh Panda

    Associate Director at IHS Markit

    Simplilearn's Java Certification course is simple yet effective. The trainer was helpful and gave examples which made the content easy to understand. I would highly recommend Simplilearn.

  • Himanshu Sukhija

    Himanshu Sukhija

    Software Engineer at Tata Consultancy Services

    I have enrolled for Simplilearn's Java Certification Training. The content is very informative. The trainer is knowledgeable and his skills of explaining the concepts are awesome.


Why Online Bootcamp

  • Develop skills for real career growthCutting-edge curriculum designed in guidance with industry and academia to develop job-ready skills
  • Learn from experts active in their field, not out-of-touch trainersLeading practitioners who bring current best practices and case studies to sessions that fit into your work schedule.
  • Learn by working on real-world problemsCapstone projects involving real world data sets with virtual labs for hands-on learning
  • Structured guidance ensuring learning never stops24x7 Learning support from mentors and a community of like-minded peers to resolve any conceptual doubts

Java Certification FAQs

  • What is Java?

    Java is a versatile and widely used programming language renowned for its simplicity, portability, and robustness. Developed by Sun Microsystems (now owned by Oracle Corporation), Java was first released in 1995. It is designed to be platform-independent, allowing Java programs to run on any device or operating system with a Java Virtual Machine (JVM).

    Simplicity and Readability:

    Java's syntax is designed to be simple and easy to read, making it accessible to programmers of all levels. Its straightforward syntax reduces the learning curve, enabling developers to write clean and maintainable code.


    Java's platform independence is a defining feature that sets it apart from other programming languages. Java code can be compiled into bytecode, which can then be executed on any device or operating system with a compatible JVM. This cross-platform compatibility makes Java an ideal choice for developing applications that need to run on multiple platforms without modification.


    Java's robustness is attributed to its strict compiler checks, automatic memory management, and exception-handling mechanisms. These features help developers catch errors early in the development process, resulting in more reliable and stable software solutions.

    Community Support and Resources:

    Java boasts a large and active community of developers who contribute to its growth and evolution. The abundance of resources, including documentation, tutorials, and libraries, makes it easier for beginners to learn Java and for experienced developers to solve complex problems.

  • Java Training Objectives

    This Java Certification Course is a one-stop training program designed to guide you from the beginning concepts of Java to advanced programming techniques. This Java training requires no previous coding experience and will provide you with a foundational knowledge of Core Java 8, including the scope of variables, operators, arrays, loops, methods, and constructors while giving you hands-on experience in JDBC and JUnit Framework. You will then move on to mastering advanced Java topics such as JDBC, Hibernate Query Language(HQL), JSP’s Servlets, service-oriented architecture (SOA), web services and Hibernate and Spring frameworks.

  • Who should take this Java Training Course?

    This Java Training course is ideal for: 

    • Students and professionals who wish to become Java developers
    • Software developers
    • Web designers
    • Programming enthusiasts
    • Engineering graduates

  • Java Training Certification benefits for freshers and experienced


    • Become industry-ready software professionals
    • Get market-ready for IT/Software Industry 
    • Increase your chances to get placed soon after the course completion
    • Java is the in-demand skill in the market to grab the best opportunity


    • Upskill yourself to grow from your current profile
    • Get exposed to higher-paying jobs in market
    • Average Salary of Professionals with Java skills is $110k (Indeed salary data)
    • Java is one of the top-rated skill-set required in the technology sector

  • Why should you take this Java Certification course?

    Some of the reasons to take up this Java Training:

    • Java is the most popular programming language in use and is the only language that works across all computer and Android mobile platforms without needing to be recompiled for each one.
    • Java is widely used for developing cutting-edge applications for web or mobile platforms and acts as the stepping stone for anyone hoping to advance their career in mobile development.
    • Excelling in Java also prepares you for a career in Big Data, as Hadoop (the most widely used framework of Big Data architecture) uses Java for design and development.

  • Who delivers the Java training?

    All our trainers for this Java Certification course are certified and are highly qualified, with more than 10 years of experience in implementing Java.

  • What is the average salary for Java Developers?

    According to PayScale, the average salary for a Java Developer is $69,722 per year.

  • What are the various job roles available after this Java Course?

    As a career opportunity for Java certified, anyone, can consider the following job roles.

    • Web developer
    • Java Developer
    • Application developer
    • EJB Programmer
    • Software Developer/Engineer
    • Tester
    • Graphic designer

  • Few companies that offer roles for Java Developers.

    Mastering Java can help you get started with your career in IT. Companies like 

    • Amazon
    • Bosch
    • Capgemini
    • DELL
    • Accenture
    • Mphasis
    • Paypal 
    • MindLabs

  • Market Demand for Java Developers.

    Java is among the most in-demand programming languages on the job market.

    Java developers are reported to have the lowest career switch rate of any profession. It’s a great basis for a steady career.

    Java is a technology that constantly adapts to new needs — these days, there’s a new release every six months or so. The best jobs go to Java developers who keep up with the constantly changing language and enhance their skill sets with complementary technologies.

    Java is a widely used language with a huge demand for Java developers all over the world. Java is the programming language that runs on more than 7 billion devices.

    As per the Salary Report 2019, there has been found over 25,000 searches for the job roles having Java in the title, paying over $110K annual salary.

  • What are different modes of this Java Course training?

    We have two modes of Java training delivery:

    Online Self Paced Learning

    • Lifetime access to high-quality self-paced e-learning content curated by industry experts
    • 24x7 learner assistance and support


    • 90 days of flexible access to online classes
    • Lifetime access to high-quality self-paced e-learning content and live class recordings
    • 24x7 learner assistance and support

  • Is this live training, or will I watch pre-recorded videos?

    All of the Java classes are conducted via live online streaming. They are interactive sessions that enable you to ask questions and participate in discussions during class time. We do, however, provide recordings of each session you attend for your future reference.

  • How can I learn more about this Java training program?

    Contact us using the form on the right of any page on the Simplilearn website, or select the Live Chat link. Our customer service representatives can provide you with more details.

  • Are there any group discounts for classroom training programs?

    Yes, we offer group discount options for our training programs. Contact us using the form on the right of any page on the Simplilearn website, or select the Live Chat link. Our customer service representatives will give you more details.

  • How do I enroll for the online Java training course?

    You can enroll for this Java training on our website and make an online payment using any of the following options: 

    • Visa Credit or Debit Card
    • MasterCard
    • American Express
    • Diner’s Club
    • PayPal 

    Once payment is received you will automatically receive a payment receipt and access information via email.

  • What is Global Teaching Assistance?

    Our teaching assistants are a dedicated team of subject matter experts here to help you get certified in your first attempt. They engage students proactively to ensure the course path is being followed and help you enrich your learning experience, from class onboarding to project mentoring and job assistance. Teaching Assistance is available during business hours.

  • What is covered under the 24/7 Support promise?

    We offer 24/7 support through email, chat, and calls. We also have a dedicated team that provides on-demand assistance through our community forum. What’s more, you will have lifetime access to the community forum, even after completion of your Java online course with us.

  • If I need to cancel my enrollment, can I get a refund?

    Yes, you can cancel your enrollment if necessary. We will refund the course price after deducting an administration fee. To learn more, please read our Refund Policy.

  • What if I miss a class?

    Simplilearn offers Flexi-pass, allowing you to attend classes at your convenience to accommodate your busy schedule. With Flexi-pass, Simplilearn gives you access to as many as 15 sessions for 90 days.

  • What is Java used for?

    You may use Java to build complete applications executed on a single machine or distributed via a network's server and client. It allows you to create mobile apps or run on desktop applications that use many operating systems and servers, including Linux or Windows. Java courses are designed to assist students who want to learn Java applications. Whether you're a Java student or a developer who wants to add Java to your portfolio, there's a java course that best suits you.

  • Is a Java course difficult to learn?

    Java is pretty easy to learn in comparison with other programming languages. It's not a piece of cake, of course, but if you put in the effort, you can master it rapidly. It is a language that is easy for novices to use. The course provides the student with the help of writing, documenting, testing, and debugging code for Java programs and applications. This Java course is for you to master web application development for almost any computing platform. This training will guide you with a good foundation in Java, the most often utilized software development programming language.

  • Is Java Developer a good career option?

    The demand for Java developers remains robust, even with competition from new languages. Java is one of the top-most languages in the workplace, depending on your facts. Java is today the favorite way to write Android applications. Java certification assists freshers and programmers in landing their dream job.

  • How do beginners learn Java?

    The technique to learn new programming languages like Java isn't exactly correct. Of course, Java training courses and online tools are helpful. Still, high-level concepts such as patience and consistency are much greater than any tutorial or exercise you can encounter. If you know nothing about code, you must first master the basics of coding. You can then start learning whatever language you choose to code, such as Java, with syntax and rules.

  • Is Java certification course worth it?

    As Oracle has offered Java certifications, they are an excellent way to keep your abilities up-to-date and ensure you know the latest advances. Java certifications boost your "curb appeal" as professionals instantaneously as a result of our java training. They not only help potential employers swiftly improve their skills, but they are also certified that you are committed to your career development and are prepared to invest in skills development.

  • What job are roles available after getting a Java certification?

    Completing Java training will open the door to careers with software developer, mobile developer, and software engineer titles. As per, over 70,000 job vacancies exist with Java programming skills or expertise. Almost 100% of these posts pay an annual amount of $90,0000 or higher. Discover the best ways to study Java with the courses in this collection and get to your next job, promotion, or degree with our Java certification.

  • What skills should a Java Developer know?

    Java developers need a variety of skills, ranging from in-depth know-how to understand the latest innovations. Java developers also want to know how the development process works and navigate the code's environments. Our advanced Java certification program has been designed to develop job-ready capabilities in conjunction with industry and academia.

  • What industries use Java most?

    Java has been the primary component in building a wide range of applications in real-time, embedded web systems, and many more. Java finds its applications in major industries such as Finance, Business Services, retail, healthcare, Government, Education, Manufacturing, Transportation, Entertainment, Agriculture, and many more. Our Java course helps you get a good foundation in Java, the most often used software programming language.

  • What book do you suggest reading for Java?

    Simplilearn's java training allows anyone to improve their career to new heights as a Java developer. There are also many free and online resources if you want to try out Java.

    • Beginning Programming with Java For Dummies 5th Edition (by Barry Burd)
    • Effective Java Third Edition (by Joshua Bloch)
    • Java 9 Modularity (by Sanders Mak & Paul Bakker)
    • Effective Unit Testing: A guide for Java developers (by Lasse Koskela)

  • What is the pay scale of Java Professional across the world?

    You will always find Java somewhere at the top if you check the rankings from the most popular and sought-after programming languages. It's therefore not surprising that there is presently a surge in demand for qualified Java developers. Java certifications provide a very cautious opportunity to master the language of Java programming in a short period. According to PayScale & Glassdoor, the average annual salary for a Java professional across the world, including

    • India: ?460,759
    • US: $93,116
    • UK: £48,768
    • Canada: CA$73,115
    • Australia: A$96,313
    • Japan: JP¥51,20,140

  • Why learn Java?‎

    Java stands out as one of the most widely used programming languages due to its versatility, portability, reliability, and security features. Its widespread adoption across various industries makes learning Java a lucrative choice for individuals aiming to pursue careers in software development. Understanding Java opens doors to diverse opportunities in web application development, mobile app development, big data, and more.

    Java's Object-Oriented Nature:

    One of the key reasons to learn Java is its object-oriented nature, which simplifies the process of understanding and writing code. OOP principles such as encapsulation, inheritance, and polymorphism facilitate the development of scalable and maintainable software solutions.

    Cross-Platform Compatibility:

    Java's platform independence is another compelling factor. Java programs can run on any device or operating system with a Java Virtual Machine (JVM), ensuring compatibility across different platforms. This feature makes Java an ideal choice for cross-platform development, reducing development time and effort.

    Robustness and Security:

    Java is renowned for its robustness and security. Its strict compiler checks, memory management, and exception-handling mechanisms contribute to the creation of reliable and stable applications. Additionally, Java's built-in security features, such as sandboxing and cryptographic libraries, make it suitable for developing secure applications, particularly in sensitive environments like finance and healthcare.

    High Demand in the Job Market:

    The demand for Java developers remains consistently high in the job market. Companies across various sectors seek professionals with Java expertise to develop enterprise-level applications, websites, and mobile apps. By learning Java, individuals can position themselves for lucrative career opportunities and job security in the ever-evolving tech industry.

  • What job can I get with Java?‎

    Java certification can lead to various rewarding career paths in the tech industry. Professionals with Java expertise are in high demand across different sectors, including software development, web development, mobile app development, big data, and cloud computing.

    Java Programmer:

    A Java certification prepares individuals for roles as Java programmers, where they can develop desktop, web, and enterprise applications using Java. Moreover, Java SE 8 programmers are in high demand and are responsible for writing, testing, and debugging Java code to create software solutions that meet business requirements that employ Java.

    Web Developer:

    Java is widely used for web development, particularly for building dynamic and interactive websites and web applications. With Java skills, individuals can pursue roles as web developers, where they work with frameworks like Spring Boot, JavaServer Faces (JSF), and Java Servlets to develop scalable and secure web solutions.

    Mobile App Developer:

    Java is a popular choice for mobile app development, especially for Android applications. Individuals with Java expertise can pursue careers as mobile app developers, where they design, develop, and maintain Android apps using Java and Android SDK.

    Software Engineer:

    Software engineering roles often require proficiency in Java, as it is commonly used for developing enterprise-level software solutions. Software engineers with Java skills are responsible for designing, implementing, and testing software applications, as well as optimizing performance and ensuring scalability.

    Roles in Big Data and Cloud Computing:

    Java is also widely used in big data and cloud computing environments. Professionals with Java expertise can work as big data engineers, cloud architects, or DevOps engineers, where they develop and deploy distributed systems, data processing pipelines, and cloud-native applications using Java-based technologies like Apache Hadoop, Apache Spark, and Spring Cloud.

  • What skills or experience do I need to already have before starting to learn Java?‎

    Before starting Java training, it is beneficial to have a basic understanding of programming concepts and Java fundamentals. While prior experience in programming is not mandatory, familiarity with concepts such as variables, data types, loops, and conditional statements can help beginners grasp Java concepts more quickly.

    Fundamental Programming Concepts:

    A solid understanding of fundamental programming concepts, including variables, data types, operators, control structures (such as loops and conditional statements), and basic algorithms, serves as a strong foundation for learning Java. These concepts are universal across programming languages and provide the necessary groundwork for understanding Java syntax and semantics.

    Basic OOP Principles:

    Java is an OOP language, so having a basic understanding of OOP principles is essential for learning Java effectively. Concepts such as classes, objects, inheritance, polymorphism, and encapsulation are fundamental to Java programming and form the building blocks of Java applications.

    Familiarity with Java SE 8 Features:

    While prior experience with Java is not required, familiarity with Java SE 8 features can be advantageous for beginners. Java SE 8 introduced several new features and enhancements, including lambda expressions, the Stream API, and the java.time package. Understanding these features from the outset can accelerate the learning process and enable learners to write more modern and efficient Java code.

    Prerequisites for Java Training Courses:

    Most Java training courses have minimal prerequisites, typically requiring only a basic understanding of programming concepts and a willingness to learn. Some courses may recommend or require learners to have completed introductory programming courses or have a background in computer science or a related field, but these prerequisites are generally flexible.

    Motivation and Persistence:

    Above all, motivation and persistence are key prerequisites for Java certification. Learning a new programming language can be challenging, and success often depends on learners' dedication to practicing regularly, solving problems, and seeking help when needed. Having a strong motivation to learn Java and a willingness to persevere through challenges are essential qualities for success in Java certification courses.

  • How do I know if learning advanced Java is right for me?‎

    Transitioning to advanced Java certification can be a significant step for individuals looking to deepen their understanding of Java programming and expand their skill set. Before pursuing advanced Java certification, it's important to assess your readiness and determine if it aligns with your career goals and interests.

    Comfort with Basic Programming Concepts:

    Before diving into advanced Java topics, ensure that you have a solid understanding of basic programming concepts and proficiency in core Java fundamentals. Comfort with concepts such as variables, data types, control structures, methods, classes, and objects is essential for building a strong foundation in Java programming.

    Passion for Developing Robust Applications:

    Advanced Java certification is well-suited for individuals who have a passion for developing robust and scalable applications. If you enjoy tackling complex problems, optimizing code performance, and implementing advanced features and functionalities, advanced Java certification can provide you with the knowledge and skills needed to excel in these areas.

    Interest in Complex Projects and Enterprise-Level Applications:

    Advanced Java skills are particularly valuable for individuals interested in working on complex projects and enterprise-level applications. If you aspire to develop large-scale software solutions, integrate with existing systems, or specialize in specific frameworks and technologies, advanced Java certification can equip you with the expertise required to succeed in these endeavors.

    Desire for Specialization in Specific Frameworks:

    Advanced Java certification often covers specialized topics and frameworks that are not typically addressed in introductory courses. If you have a keen interest in specific Java frameworks such as Spring, Hibernate, JavaServer Faces (JSF), or Java Enterprise Edition (EE), pursuing an advanced Java course can help you deepen your knowledge and become proficient in these areas.

    Preparation for Career Advancement Opportunities:

    For individuals seeking career advancement opportunities in software development, systems architecture, or technical leadership roles, an advanced Java course can be a strategic investment. By acquiring advanced Java skills and certifications, you can differentiate yourself in the job market, increase your earning potential, and pursue more challenging and rewarding career opportunities.

  • What are the common career paths for someone in Java?‎

    Common career paths include Java Developer, Software Engineer, Web Developer, Mobile App Developer, System Architect, and Database Administrator. The average salaries of some of the popular career paths after Java certification are given below for your reference. 

    Career Role

    Salary Range (INR/yr)

    Java Developer

    ₹400000 - ₹800000

    Software Engineer

    ₹280000 - ₹1550000

    Web Developer

    ₹400000 - ₹900000

    Mobile App Developer

    ₹400000 - ₹900000

    Systems Architect

    ₹560000 - ₹4400000

    Database Administrator

    ₹500000 - ₹1300000

    DevOps Engineer

    ₹500000 - ₹1200000

    Big Data Engineer

    ₹500000 - ₹1400000

    Cloud Solutions Architect

    ₹1300000 - ₹3100000

    Full Stack Developer

    ₹500000 - ₹1200000

  • What are the benefits of taking an online Java course?‎

    Enrolling in an online Java course offers numerous advantages including:

    • Flexibility: Learn at your own pace and balance studies with other commitments.

    • Accessibility: Access course materials from anywhere with an internet connection.

    • Comprehensive learning resources: Access to a wealth of study materials, including lectures, tutorials, and practice exercises.

    Simplilearn's online Java training provides the following benefits:

    • Expert instructors: Experienced professionals guide you through the course material, answer questions, and provide personalized feedback.

    • Real-world projects: Gain hands-on experience by working on practical projects, enabling you to apply your knowledge in real-life scenarios.

    • Industry-recognized certification: Upon completion of the course, receive a certification that validates your proficiency in Java programming, enhancing your credibility in the job market.

    • Networking opportunities: Connect with fellow learners, industry professionals, and potential employers, fostering collaboration and professional growth.

  • What Java courses are best for training and upskilling employees or the workforce?‎

    Simplilearn's Java certification course stands out as an ideal choice for corporate training and upskilling the workforce. Our comprehensive course covers foundational to advanced topics in Java programming, ensuring that employees acquire practical skills relevant to their roles and responsibilities. The training plans are customizable to meet the specific needs and objectives of your organization, allowing you to tailor the learning experience to suit your workforce's requirements. With hands-on projects and interactive learning modules, our Java certification course provides employees with practical experience and valuable insights into real-world Java development scenarios. By investing in our Java certification training, organizations can equip their workforce with the skills and expertise needed to excel in Java programming and drive innovation in software development initiatives.

  • What does Java developer do?

    Java is a versatile, object-oriented programming language that is helpful in developing a wide range of applications, ranging from web and mobile apps to enterprise-level systems. Its platform independence allows Java programs to run on any electronic device with a Java Virtual Machine (JVM), making it a preferred choice for cross-platform development.

  • Are Java and Javascript the same?

    No, Java and JavaScript are distinct languages with different purposes. Java is a versatile, object-oriented programming language primarily used for application development, while JavaScript is a scripting language mainly employed for web development to enhance interactivity in browsers. 

    Here's a tabular representation of the key technical differences between Java and JavaScript for your future reference:




    1. Type of Language:

    Object-Oriented Programming (OOP)

    Prototype-based OOP

    2. Platform:

    Runs on Java Virtual Machine (JVM)

    Runs in web browsers

    3. Usage:

    Backend development, desktop apps

    Frontend web development

    4. Execution:

    Compiled (to bytecode) and then interpreted by the JVM

    Interpreted by web browsers

    5. Syntax:

    C-style syntax

    ECMAScript-based syntax

    6. Inheritance:

    Class-based inheritance

    Prototype-based inheritance

    7. Concurrency:

    Supports multithreading

    Single-threaded with event loop for asynchronous operations

    8. Web Development:

    Not typically used for frontend web development

    Mainly used for frontend web development

    9. Libraries and Frameworks:

    Rich ecosystem of libraries and frameworks (Spring, Hibernate, etc.)

    Large ecosystem with frameworks like React, Angular, and libraries like jQuery

    10. Memory Management:

    Manual memory management with the help of the garbage collector

    Automatic memory management (garbage collection)

    11. Usage in Browsers:

    Requires Java plugin for browsers (deprecated and not commonly used)

    Native support in web browsers

    12. Deployment:

    Java applications are deployed as compiled bytecode

    JavaScript code is deployed as plain text files

    13. Threading:

    Supports multithreading for concurrent execution

    Uses a single thread but supports asynchronous programming for non-blocking operations

    We hope it is clear that despite sharing a similar name, Java and JavaScript are distinct languages designed for different purposes, and their usage contexts differ significantly.

  • What do I need to know before learning Java?

    You must have a basic idea about some of the core programming concepts used in Java before starting this Java training course.

    Fundamentals of Programming:

    Before diving into Java, it's beneficial to grasp fundamental programming concepts. Understanding variables, loops, and conditional statements provides a solid foundation for learning Java.

    Beginner-Friendly Nature:

    Java's accessibility makes it suitable for beginners. Its syntax, influenced by C and C++, facilitates a smooth transition for those without prior programming experience.

    Computer Science Principles:

    Familiarity with basic computer science principles like data types and algorithms can accelerate your Java learning journey. These principles underpin Java's structure and functionality.

    Java Syntax:

    Java's syntax is designed to be straightforward, allowing beginners to quickly understand and write code. Its simplicity enables learners to focus on mastering programming concepts rather than wrestling with complex syntax.

  • What does it mean that Java is an object-oriented programming language?

    Java is called an Object oriented or OOP programming language because it revolves around the concept of objects, which encapsulate data and functionality. This object-oriented approach promotes code reusability, flexibility, and modularity.

    Key Principles:

    Java embodies key object-oriented programming principles such as encapsulation, inheritance, and polymorphism. Understanding these principles is essential for effective Java development.

    Modular Design:

    Java's object-oriented nature simplifies complex system design by breaking down problems into manageable components. This modular approach enhances code organization and maintenance.


    OOPs fosters robust and flexible application development. Java's adherence to OOP principles empowers developers to create scalable and maintainable software solutions.

  • What is the best IDE for Java?

    Popular Choices:

    Eclipse, IntelliJ IDEA, and NetBeans are among the most popular Integrated Development Environments (IDEs) for Java development.


    Known for its extensibility and robust plugin ecosystem, Eclipse allows for customized development environments tailored to individual preferences and project requirements.

    IntelliJ IDEA:

    IntelliJ IDEA offers intelligent code assistance and productivity features, enhancing developer efficiency and streamlining the development process.


    NetBeans prioritizes simplicity and ease of use, making it an excellent choice for beginners or developers who prefer straightforward development environments.

    Personal Preference:

    The best IDE for Java development ultimately depends on personal preference, project complexity, and community support. Experiment with different IDEs to find the one that aligns with your workflow and development style.

  • What are the main features of Java that make it a preferred programming language?

    Java boasts several key features that contribute to its widespread adoption and popularity among developers. Some of these features are:

    Java's platform independence: This feature allows Java programs to run on any platform that supports Java Virtual Machine (JVM), making it highly versatile and compatible across various operating systems and devices.

    Object-Oriented Programming: Java's adherence to Object-Oriented Programming (OOP) principles promotes modular, reusable, and maintainable code, enhancing developer productivity and code quality.

    Java Standard Library: The robust standard library provided by Java offers a vast collection of pre-built classes and utilities, streamlining development tasks and accelerating time-to-market for applications.

    Automatic memory management: This feature, achieved through garbage collection, relieves developers from the burden of manual memory allocation and deallocation, reducing the risk of memory leaks and segmentation faults.

    Java's strong type system: The type system enforces type safety and prevents common programming errors, ensuring code reliability and stability.

    Built-in support: Java's built-in support for multithreading enables concurrent execution of tasks, facilitating the development of scalable and responsive applications.

    Collectively, these features render Java suitable for a diverse array of applications, spanning from web and mobile development to robust enterprise-level systems.

  • Can I join a Java programming course without any prior programming experience?

    Absolutely! You can embark on your journey to learn Java programming even if you have no prior experience in programming. Java is renowned for its beginner-friendly nature, characterized by its intuitive syntax, comprehensive documentation, and abundance of online learning resources. Simplilearn offers a free Java course tailored specifically for beginners, providing a structured learning path to familiarize yourself with the fundamental concepts of Java programming.

    Through this course, you'll gain hands-on experience with Java syntax, data types, control structures, and object-oriented programming principles, laying a solid foundation for your journey into the world of Java development. By taking advantage of this opportunity to learn Java from scratch, you'll acquire valuable skills that empower you to pursue exciting career opportunities in software development and beyond.

  • Which is better - becoming a Java SE 8 programmer or an Oracle-certified professional?

    Choosing between Java programming and Oracle Certified Professional (OCP) certification depends on your career goals and aspirations. Becoming a Java SE 8 programmer involves mastering the Java SE 8 platform and its features, enabling you to develop applications using the Java programming language. This path is suitable if you want to specialize in Java development and work on projects leveraging SE 8.

    On the other hand, obtaining an Oracle Certified Professional (OCP) certification demonstrates your proficiency in Java programming and validates your skills to potential employers. This certification encompasses a broader range of Java concepts beyond SE 8, potentially opening up more opportunities in the job market. Ultimately, the choice between becoming a SE 8 programmer or obtaining an Oracle Certified Professional certification depends on your career objectives.

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