package System输入输出;

 import java.io.BufferedReader;

 import java.io.IOException;

 import java.io.InputStreamReader;

 public class Test {

     public static void main(String[] args) throws IOException {

        BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

        System.out.print("请输入数据：");

        String str=br.readLine();

        System.out.println(str);

     }

 }