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Java Hello World Example

This article describes how to create a "Hello World" java program using Eclipse IDE. This program will print "Hello World" in the console.


Technologies used in this article :
  1. JDK 1.6 +
  2. Eclipse 3.7

    3. JDK Installer : Download  from JDK 1.7.
    Eclipse Installer : Download from Eclipse.

    1. Create Java Project

    Select from the menu File --> New --> Java Project. 


    reate java project

Enter "HelloWorld" as the project name. Keep rest of the settings as it is as shown in the following screenshot.


create java project

Click "Finish" button and Eclipse IDE will generate the java project automatically.


2. Create Java Package

Right click on 'src' folder and select from context menu New --> Package.

create java package


Write 'com.hello.example' in the 'Name' field and click "Finish" button.

create java package

 

3. Create Java Class

Right click on 'com.srccodes.example' package and select from context menu New --> Class.

create java class


Write "HelloWorld" in the 'Name' field and select the check-box for 'public static void main(String[] args)'.


create java class


Click "Finish" button. Eclipse will generate a java class and open the same in the java editor as shown below.

HelloWorld class

 

4. Write Java Code

Edit the generated 'HelloWord' java class as per the following code.
File : HelloWorld.java

package com.srccodes.example;
public class HelloWorld {
    /**
     * @param args
     */
    public static void main(String[] args) {
        System.out.println("Hello World");
    }
}

 

5. Run Your Code

Right click on 'HelloWorld.java' and select from context menu 'Run As' --> 'Java Application'.

run hello world code

6. Console Output

Your code will print 'Hello World' in the eclipse console.


Hello world

 

Related Blogs:

How to install Oracle JDK on Ubuntu from repository

How to set JAVA_HOME environment variable in Ubuntu

 


 

 


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