查看jvm的内存储器使用
查看jvm的内存使用
System.out.println(Runtime.getRuntime().totalMemory()/(1024*1024) + "M");
System.out.println(Runtime.getRuntime().maxMemory()/(1024*1024) + "M");
System.out.println(Runtime.getRuntime().freeMemory()/(1024*1024) + "M");
System.out.println(Runtime.getRuntime().totalMemory()/(1024*1024) + "M");
System.out.println(Runtime.getRuntime().maxMemory()/(1024*1024) + "M");
System.out.println(Runtime.getRuntime().freeMemory()/(1024*1024) + "M");