Runtime

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");
+    }
 }