[0722] According to the job number output Course Title

1  Package Penalty for com.project;
 2  Import java.util.InputMismatchException;
 3  / ** 
4  * Number Course Name output according to
 5  * according to the keyboard input to determine
 6  * Whether or not entered correctly, outputs "open to suggestions!"
 7  * @ author L
 . 8   * / 
. 9  Import java.util.Scanner;
 10  
. 11  public  class the Project {
 12 is      static Scanner SC = new new Scanner (the System.in);
 13 is      public  static  void main (String [] args) {
 14          of System.out.print ( "Please enter the course code (a number between 1 to 3):");
15         try {
16             int num=sc.nextInt();
17             if(num>=1&&num<=3) {
18                 //判断数字
19                 switch(num) {
20                 case 1:
21                     System.out.println("Java课程");
22                     break;
23                 case 2:
24                     System.out.println("C#课程");
25                     break;
26                 case 3:
27                     System.out.println("C++课程");
28                     break;
29                 }
30             }else {
31                 System.out.println("输入有误，没有对应课程！");
32             }
33         }catch(InputMismatchException e){
34             System.err.println("输入类型有误");
35             e.printStackTrace();
36         }catch(Exception e) {
37             System.out.println("输入有误");
38         }finally {
39             System.out.println("欢迎提出建议！");
40         }
41     }
42 }