JDK6.0学习笔记（二十三）与外部进程通信

/**
* 与外部进程通信
* 输入参数 127.0.0.1
* */

import java.io.*;

public class Ping {
public static void main(String[] args) {
Process process = null;
try {
process = Runtime.getRuntime().exec("ping " + args[0]);//Runtime类exec()方法执行外部程序
InputStream is = process.getInputStream();//获取子进程的输入流
BufferedReader br = new BufferedReader(new InputStreamReader(is));
String s = null;
while ((s = br.readLine()) != null) {
System.out.println(s);
}
} catch (IOException ex) {
ex.printStackTrace(System.out);
System.err.println("创建进程时出错...");
System.exit(1);//返回子进程的出口值
} finally {
process.destroy();
}
}
}