Java2024/src/chapter5/Example14.java
2024-11-10 22:12:04 +08:00

16 lines
524 B
Java

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");
}
}