java 得到程序的PID

import java.lang.management.ManagementFactory;
import java.lang.management.RuntimeMXBean;

/**
 * <pre>
 * 得到JAVA进程的PID
 * @author kanpiaoxue
 * Date: 2013-08-21
 * test：在Windows和Linux下进行验证，通过测试
 * </pre>
 */
public class ProcessID {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		System.out.println("PID:" + getProcessID());

	}

	public static final int getProcessID() {
		RuntimeMXBean runtimeMXBean = ManagementFactory.getRuntimeMXBean();
		return Integer.valueOf(runtimeMXBean.getName().split("@")[0])
				.intValue();
	}

}