026-in.hasNext("string");in.NextInt;in.NextLn

[梵高摔电脑]

import java.util.Scanner;

public class ScannerDemo{

    public static void main(String[] args){

        Scanner in = new Scanner(System.in);

        String s = in.nextLine();

        System.out.println(s);

        while(!in.hasNext("exit")){

            System.out.println(in.nextLine());

           // System.out.println(s);

        }

        in.close();

    }

}