将标准输入和输出分配给InputStream和OutputStream

     

     /**
     nowjava 提供 
     **/

import java.io.*;


public class Main {

     public static void main(String[] args) {

           System.out.println("type:");

          InputStream in = System.in;

          OutputStream out = System.out;

          

          try {

               int input = in.read();

               System.out.println(input);

               out.write(input);

               out.close();//from 时代Java公众号 - N o w J a  v a . c o m

          } catch(IOException e) {

               e.printStackTrace();

          }

     }


}