Java语言程序设计练习题

Question

import java.io.*;
public class ReadLineTest{
public static void main(String[ ] args){
BufferedReader b=new BufferedReader (new InputStreamReader(System.in));
String s;
System.out.flush();
s=b.readLine();
System.out.println(s);
}
}
运行以上程序，若从键盘输入： Hello<回车>
则输出结果为 。

Answer 1

Hello
public static void main(String[ ] args){
try{
BufferedReader b=new BufferedReader (new InputStreamReader(System.in));
String s;
System.out.flush();
s=b.readLine();
System.out.println(s);
}catch(Exception e){
e.printStackTrace();
}

}

Answer 2

输出结果为：Hello

Answer 3

就是Hello