JAVA programming ---------- 26. Please enter the first letter of the week to determine what day of the week, the same as the first letter, it is determined that the second letter, and so on

. 1  Package FushiExam;
 2  Import Classes in java.util *. ;
 . 3  public  class Text_26 {
 . 4  
. 5      public  static  void main (String [] args) {
 . 6          / * 
. 7           * Please enter the first letter of the week to determine what day of the week,
 8           * same as the first letter, the second letter is determined, and so on
 . 9           * / 
10          System.out.println ( "enter first letter:" );
 . 11          Switch (getletter ()) {
 12 is              Case 'm ' :
 13 is              Case ' M ' :
 14                  System.out.println ( "catalog on Monday");
15                 break;
16             case 't':
17             case 'T':
18                 System.out.println("输入第二个字母：");
19                 char t=getletter();
20                 if(t=='u'||t=='U')
21                     System.out.println("Tuesday");
22                 else if(t=='h'||t=='H')
23                     System.out.println("Thursday");
24                 else
25                     System.out.println("error");
26                 break;
27             case 'w':
28             case 'W':
29                 System.out.println("Wednesday");
30                 break;
31             case 'f':
32                 System.out.println("Friday");
33                 break;
34             case 's':
35             case 'S':
36                 char t1=getletter();
37                 if(t1=='u'||t1=='U')
38                     System.out.println("Sunday");
39                 else if(t1=='a'||t1=='A')
40                     System.out.println("Saturday");
41                 else
42                     System.out.println("error");
43                 break;
44                 default:
45                     System.out.println("error");
46         }
47         
48 
49     }
50     public static char getletter() {
51         Scanner scan=new Scanner(System.in);
52         String letter=scan.nextLine();
53         char[] arr=letter.toCharArray();
54         return arr[0];
55     }
56 
57 }