Java Tutorial

This Java Tutorial is designed for beginners as well as experienced professionals. Whether you’re looking to learn the basics of Java or its advanced concepts, this free Java tutorial is the perfect resource for you.

What is Java?

Developed by Sun Microsystems in 1995, Java is a highly popular, object-oriented programming language. This platform independent programming language is utilized for Android development, web development, artificial intelligence, cloud applications, and much more.

In this tutorial, we will cover everything from the basics of Java syntax to advanced topics like object-oriented programming and exception handling. So, by the end of this tutorial, you will have a strong understanding of Java and be ready to start writing your own Java applications. So let’s get started on this comprehensive Java programming tutorial!

First Java Program

// A Java program to print "Hello World" 
public class GFG { 
    public static void main(String args[]) 
    { 
        System.out.println("Hello World"); 
    } 
}

Output:

Hello World

For full explanation of the above Program – Click Here

Get Started with Free Java Tutorial

Here in this section, you will find all the free resources that you need to become zero to mastery in Java programming language.

Overview of Java

Basics of Java

Input/Output in Java

Flow Control in Java

Operators in Java

Arrays in Java

Strings in Java

OOPS in Java

Classes of Java

Interfaces in Java

Methods in Java

Packages in Java

Collection Framework in Java

Collection Classes in Java

Memory Allocation in Java

Exception Handling in Java

Multithreading in Java

Synchronization in Java

File Handling in Java

Java Regex

Java IO

Java Networking

Java SE 8 Features

Java Date & Time

Java JDBC

Java Miscellaneous

Interview Questions on Java

Java Practice Problems

Keep up your pace and try hard till you excel in it. This will need some motivation and resources to Practice Java. So, there are few resources mentioned below this will help you in your journey:

• Java Interview Questions and Answers
• Java Programming Examples
• Java Exercises – Basic to Advanced Java Practice Programs with Solutions
• Java Language MCQs with Answers
• Java Practice Quiz

Java Jobs & Opportunity

According to report of Statista.com Java is most demanded programming languages after JavaScript by recruiters worldwide in 2024. Major MNC companies are recruiting Java Programmers.

• Amazon
• Tesla
• IBM
• Google
• Honeywell
• Netflix
• Meta
• Wipro
• Infosys
• Accenture
• Oracle Inc
• Deloitte India
• Cognizant
• Capgemini
• Many more…

Java Programming Tutorial: FAQs

Why use Java ?

Java is simple to learn programming language because doesn’t contain concepts like : Pointers and operator overloading and it is secure and portable.

What are the major concepts in Java?

There are 4 major concept in Java that is abstraction, encapsulation, polymorphism, and inheritance. Along with this Java also works with three OOPs concept

How Java different to C++ ?

Why Java is so popular programming language?

Java is based on object model hence it is one the popular programming language.

What are the scope of Java Technologies for Web Applications?

Java Technologies for Web Applications are a set of Java-based technologies that are used to develop web applications. These technologies include:

• Java Servlet API
• JavaServer Pages
• JavaServer Faces
• Enterprise JavaBeans
• JDBC (Java Database Connectivity)
• Java Messaging Service (JMS):
• JavaMail API:
• JAX-WS

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