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Program: How to invoke other applicatons in java?


By using ProcessBuilder class, you can invoke any application in java. Below example shows how to run a java class using ProcessBuilder class. Here first argument takes the command, and command arguments follows after this. Here first argument invokes java.exe file, and sencond argument passes MyTest.classfile to java application. You can pass any number of arguments to an application.

package com.java2novice.processbuilder;


public class MyInvokeOtherApps {

	public static void main(String a[]){
		ProcessBuilder pb = new ProcessBuilder("java", "MyTest");
		try {
			System.out.println("Process has been started.");
		} catch (IOException e) {
			// TODO Auto-generated catch block

Process has been started.
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Knowledge Centre
What is System.out in Java
In System.out, out is an instance of PrintStream. It is a static member variable in System class. This is called standard output stream, connected to console.
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About Author

I'm Nataraja Gootooru, programmer by profession and passionate about technologies. All examples given here are as simple as possible to help beginners. The source code is compiled and tested in my dev environment.

If you come across any mistakes or bugs, please email me to [email protected].

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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java™ Platform Standard Ed. 8 - API Specification | Java is registered trademark of Oracle.
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