Java Tutorial

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Learn Java

Java is a popular programming language.

Java is used to develop mobile apps, web apps, desktop apps, games and much more.Start learning Java now »

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Examples in Each Chapter

Our “Try it Yourself” editor makes it easy to learn Java. You can edit Java code and view the result in your browser.

ExampleGet your own Java Server

public class Main {
  public static void main(String[] args) {
    System.out.println("Hello World");
  }
}

Try it Yourself »

Click on the “Run example” button to see how it works.

We recommend reading this tutorial, in the sequence listed in the left menu.

Java is an object oriented language and some concepts may be new. Take breaks when needed, and go over the examples as many times as needed.

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Java Exercises

Many chapters in this tutorial end with an exercise where you can check your level of knowledge.

See all Java Exercises

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Java Quiz

Test your Java skills with a quiz.

Start Java Quiz

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Learn by Examples

Learn by examples! This tutorial supplements all explanations with clarifying examples.

See All Java Examples

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My Learning

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Java Reference

You will also find complete keyword and method references:

Java Keywords

Java String Methods

Java Math Methods

Java Output Methods

Java Arrays Methods

Java ArrayList Methods

Java LinkedList Methods

Java HashMap Methods

Java Scanner Methods

Java Iterator Methods

Java Errors and Exception Types

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Download Java

Download Java from the official Java web site: https://www.oracle.com

HOW TO LEARN JAVA ?

1. Set a Goal or Objective.
2. Clear Your Basics.
3. Practice Regularly.
4. Version Control.
5. Learn to Generate Algorithm.
6. Try First on Paper.
7. Read Java Programming Documents Regularly.
8. Object-Oriented Programming.

How to print 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 in Java?

1. Pictorial Presentation:
2. Sample Solution:
3. Java Code: public class Exercise10 { public static void main(String[] args) { int i; System.out.println (“The first 10 natural numbers are:\n”); for (i=1;i<=10;i++) { System.out.println (i); } System.out.println (“\n”); } } …
4. Flowchart:

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