恒泰科技实习第十五题T001-UT001-0015

package com.imooc;import java.util.Scanner;public class Main15 {public static void main(String[] args) {try{System.out.println("input n:");Scanner input=new Scanner(System.in);int n=input.nextInt();if(n<0){System.out.print("Error input");}else{switch(n){case 0:System.out.print("hello world");break;case 1:System.out.print("abc");break;case 2:System.out.print("hi");break;case 3:System.out.print("4");break;default:System.out.print("bye");}}}catch (Exception e){System.out.print("Error input");}}}