package baseClass7;

import java.io.IOException;

public class RuntimeTest {

public static void main(String[] args) {

// 获取Java程序关联的运行时对象

Runtime rt = Runtime.getRuntime();

System.out.println("处理其数量：" + rt.availableProcessors());

System.out.println("空闲时内存：" + rt.freeMemory());

System.out.println("可用的最大是内存数：" + rt.maxMemory());

try {

rt.exec("notepad.exe");// 打开记事本

} catch (IOException e) {

// System.out.println(e);

e.printStackTrace();

}

}

}