查看JVM内存使用情况语句

 

  System.out.println("JVM Max Memory："+Runtime.getRuntime().maxMemory()/1024/1024+"M");

  System.out.println("JVM Using Memory:"+Runtime.getRuntime().totalMemory()/1024/1024+"M");

  System.out.println("JVN Free Memory:"+Runtime.getRuntime().freeMemory()/1024/1024+"M");