Java Process exitValue() Method

This exitValue() method of JavaProcess class is used to return the exit value of processes and subprocesses.

Syntax

Parameter

Return

This method is used to return the exit values of subprocesses. By default, the value 0 indicates successful termination.

Example 1

package tests;
public class ProcessexitValueMethodExample1 {
public static void main(String[] args) {
try{
System.out.println("Let us create a new process");
ProcessBuilder b3 = new ProcessBuilder("notepad.exe");
            Process p3= b3.start();
System.out.println("Process is waiting");
Thread.sleep(800);
p3.destroy();
System.out.println("Process is destroyed");
System.out.println("Exit Value:"  +p3.exitValue());
}
catch(Exception e){
System.out.println(e);
        }
    }
}

Output:

Let us create a new process
Process is waiting
Process is destroyed
Exit Value:1

Example 2

package tests;
public class ProcesseexitValueMethodExample2
{
public static void main(String[] args) {        
 Runtime rt= Runtime.getRuntime();
 Process p4=null;
try
 {
     p4=rt.exec("notepad");
p4.waitFor();

}catch(Exception e)
        {
System.out.println(e);
        }
if(p4.exitValue()==0)
        {
System.out.println("Success");
        }
else
        {
System.out.println("failure)");

        }
    }
}

Output:

Success

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Java Process class