1.获取JVM中运行的application的pid方法：
RuntimeMXBean bean = ManagementFactory
.getRuntimeMXBean()
String jvmName = bean
.getName()
String pid = jvmName
.split(
"@")[
0]
2.获取JVM通过exec()执行的其它程序的pid方法： 类似如下这种：
Process process = Runtime
.getRuntime()
.exec(
"calc")
解决方案: http://golesny.de/p/code/javagetpid(如果不存在请访问:http://blog.csdn.net/motrsky/article/details/74984156) https://stackoverflow.com/questions/35842/how-can-a-java-program-get-its-own-process-id
