TestINOUT 进程与线程_testin out-优快云博客

本文链接：https://blog.youkuaiyun.com/anskya520/article/details/6218619

本文通过两个 Java 类 MyTest 和 TestInOut 的实例演示了如何使用标准输入输出流进行进程间通信。MyTest 类接收用户输入并打印，而 TestInOut 类创建 MyTest 进程并与其交互。

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MyTest.java

package ZHANG.IO.TestINOUT; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class MyTest { public static void main(String[] args) { System.out.println("hi:"); BufferedReader buf = new BufferedReader(new InputStreamReader(System.in)); while(true){ try { String info = buf.readLine(); if(info!= null){ System.out.println("hi:"+ info); }else{ break; } } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } }

TestInOut.java

package ZHANG.IO.TestINOUT; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStream; public class TestInOut implements Runnable{ Process p ; public TestInOut(){ try { p = Runtime.getRuntime().exec("java MyTest"); new Thread(this).start(); } catch (IOException e) { e.printStackTrace(); } } public void send(){ OutputStream os = p.getOutputStream(); try { while(true){ System.out.println("写了吗"); os.write("help/r/n".getBytes()); System.out.println("写了"); } } catch (IOException e) { e.printStackTrace(); } } public void run() { InputStream is = p.getInputStream(); BufferedReader br = new BufferedReader(new InputStreamReader(is)); String strInfo; try { while(true){ strInfo = br.readLine(); if(strInfo!=null){ System.out.println("i reading Info:"+strInfo); }else{ return ; } } } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } public static void main(String[] args) { TestInOut ti = new TestInOut(); ti.send(); } }