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());}   }}