Finding The Current Process ID

MyPID.java

import java.io.IOException;
import java.util.UUID;
import com.sun.tools.attach.AttachNotSupportedException;
import com.sun.tools.attach.VirtualMachine;
import com.sun.tools.attach.VirtualMachineDescriptor;

public class MyPID {
  public static void main(String[] args) throws AttachNotSupportedException, IOException {
    String uniqueId = UUID.randomUUID().toString();
    System.setProperty("process.unique.id", uniqueId);

    for(VirtualMachineDescriptor descriptor : VirtualMachine.list()) {
      String remoteUniqueId = VirtualMachine.attach(descriptor).getSystemProperties().getProperty("process.unique.id");
      if(remoteUniqueId != null && remoteUniqueId.equals(uniqueId))
        System.out.println("This PID: "+descriptor.id());
      }
   }
}