To make auto run/executable jar by eclipse follow below steps.

• Create Java Project in Eclipse by following these steps as below New -> Project ->Java Project -> Click Next
• Type Project Name as JavaAutoRunExample -> click on Finish button.
• Expend project JavaAutoRunExample on left panel and create package as com.facingissuesonit.test
• Create below class TestHelloWorld inside package com.facingissuesonit.test

  package com.facingissuesonit.test;
  
  public class TestHelloWorld {
  
  	public static void main(String[] args) {
  		System.out.println("Inside Package facing Issues on IT");
  		System.out.println("Test Hello World !!");
  	}
  
  }
  

Now your Project Structure will looks like as below.

Now in below steps will show  to convert this project as auto run/executable jar where entry point would be main method of class TestHelloWorld.

Note : If in your project having multiple classes having main method you can decide one entry point by below steps.

• Build and Test you project so that there would be any compile and runtime issues. Select class TestHelloWord -> Right click -> Run As -> Java Application. You will get below console output.

  Inside Package facing Issues on IT
  Test Hello World !!
  

• Right Click on JavaAutoRunExample ->export ->Java->Runnable Jar File -> Click on Next.

• Select Launch Configuration as TestHelloWorld and export destination where want to keep this auto run/executable jar and dependency jar options as below.

• Now your auto run/executable jar is ready . For executing it go to command promt (CMD) and select location for file and use below command

java -jar AutoRunTest.jar

C:\Users>cd C:\Users\facingissuesonit\Documents

C:\Users\facingissuesonit\Documents>java -jar AutoRunTest.jar
Inside Package facing Issues on IT
Test Hello World !!

 

 

Hope this blog was helpful for you.

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