applineinout.java

开始学JAVA的几个程序

import java.io.*;
public class AppLineInOut
{
  public static void main(String[] args)
  {
    String s=" ";
    System.out.print("please input a line:");
    try{
         BufferedReader in=new BufferedReader(new InputStreamReader(System.in));
         s=in.readLine();
       }catch(IOException e){}
    System.out.println("you have entered:"+s);   
  }
}