JAVA虚拟机读写其他进程数据

简要代码

package com.solace.test;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;/** * Created by solace on 2017/9/9. */public class ReadOtherProcessData {    public static void main(String[] args) {        try {            Process p = Runtime.getRuntime().exec("javac");//获取运行该命令的子进程            //以进程P的错误输出流创建br            BufferedReader br = new BufferedReader(new InputStreamReader(p.getErrorStream()));            String buff = null;            while ((buff=br.readLine())!=null){                System.out.println(buff);            }        } catch (IOException e) {            e.printStackTrace();        }    }}