sin=in.readLine();

import java.io.*;
public class LineIO{
   public static void main(String[] args) {
    String sin,inputString;
        int inputInteger;
        double inputDouble;
 
    System.out.println("输入一个字符串：");
        try{
          BufferedReader in=new BufferedReader(new InputStreamReader(System.in));
          sin=in.readLine();
          inputString=sin;

 
          System.out.println("输入一个整数：");
          sin=in.readLine();
          inputInteger=Integer.parseInt(sin);

 
          System.out.println("输入一个小数：");
          sin=in.readLine();
          inputDouble=Double.parseDouble(sin);

 
          System.out.println("输入数据为：");
          System.out.println(inputString+"\t"+inputInteger+"\t"+inputDouble);
 
      }catch(IOException e){System.out.println(e.toString());}
   }
}