java读入和输出

 1 import java.util.Scanner;
 2 
 3 public class print_In {
 4     public static void main(String[] args){
 5         System.out.println("what is your name?");
 6         Scanner  scan= new Scanner(System.in);
 7         String  name=scan.nextLine();
 8         System.out.println(name);
 9         System.out.println("how   old are you?");
10         Integer  age=scan.nextInt();
11         System.out.println(age);
12     }
13 }
14 
15 what is your name?
16 evil
17 evil
18 how   old are you?
19 2
20 2