diff --git a/src/chapter5/Example14.java b/src/chapter5/Example14.java index 4dc35aa..dce758e 100644 --- a/src/chapter5/Example14.java +++ b/src/chapter5/Example14.java @@ -1,4 +1,15 @@ package chapter5; +/** + * 获取当前虚拟机信息 + */ + public class Example14 { + public static void main(String[] args) { + Runtime rt = Runtime.getRuntime(); + System.out.println("处理器个数:" + rt.availableProcessors()); + System.out.println("空闲内存:" + rt.freeMemory()/1024/1024 + "MB"); + System.out.println("虚拟机中的内存总量:" + rt.totalMemory()/1024/1024 + "MB"); + System.out.println("最大可用内存:" + rt.maxMemory()/1024/1024 + "MB"); + } }