JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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Program: How to invoke other applicatons in java?


Description:

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.


Code:
package com.java2novice.processbuilder;

import java.io.IOException;

public class MyInvokeOtherApps {

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

Output:
Process has been started.
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List Of All ProcessBuilder Class Sample Programs:

  1. How to invoke other applicatons in java?
  2. How to run operating system specific command and read its output?
  3. How to get process environment variables in java at runtime?
  4. How to run ProcessBuilder with list of commands?
Knowledge Centre
What is race condition?
A race condition is a situation in which two or more threads or processes are reading or writing some shared data, and the final result depends on the timing of how the threads are scheduled. Race conditions can lead to unpredictable results and subtle program bugs. A thread can prevent this from happening by locking an object. When an object is locked by one thread and another thread tries to call a synchronized method on the same object, the second thread will block until the object is unlocked.
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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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