Java snippet: get PID at runtime

package my.pid;

import java.lang.management.ManagementFactory;

public class MyPid {
  public static void main(String[] args) {
    String nameOfRunningVM = ManagementFactory.getRuntimeMXBean().getName();
    int p = nameOfRunningVM.indexOf('@');
    String pid = nameOfRunningVM.substring(0, p);
    System.out.println("Java app PID: " + pid);
  }
}