Runtime类

<pre name="code" class="java">public static void main(String[] args) throws InterruptedException {
Runtime runtime = Runtime.getRuntime();
try {
// 关机：shutdown -s -t 60
// 取消关机：shutdown -a
Process process = runtime.exec("mspaint");
Thread.sleep(3000);
process.destroy();
} catch (IOException e) {
e.printStackTrace();
System.err.println("执行的不是内部命令！");
}
}