JAVA EE: Java Tutorial: Java Runtime class (halt method)

Monday 30 January 2017

Java Tutorial: Java Runtime class (halt method)

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https://www.youtube.com/watch?v=U0h2VimMOkQ&list=UUhwKlOVR041tngjerWxVccw

RuntimeDemo.java

import java.io.IOException;

/*
 * public void halt(int status)
 * 
 * Parameters: 
 * -----------
 * 
 * status - Termination status. By convention, a nonzero
 * status code indicates abnormal termination.
 */
public class RuntimeDemo
{

    public static void main(String[] args) throws IOException
    {
        /*
         * Returns the runtime object associated with the
         * current Java application.
         */
        Runtime runtime = Runtime.getRuntime();

        System.out.println("Before halt method is called..");
        /*
         * Forcibly terminates the currently running Java
         * virtual machine.
         * 
         * This method should be used with extreme caution.
         * Unlike the exit method, this method does not
         * cause shutdown hooks to be started and does not
         * run uninvoked finalizers if finalization-on-exit
         * has been enabled. If the shutdown sequence has
         * already been initiated then this method does not
         * wait for any running shutdown hooks or finalizers
         * to finish their work.
         */
        runtime.halt(0);
        System.out.println("After halt method is called..");
    }

}