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1   package com.puppycrawl.tools.checkstyle.checks.coding.requirethis;
2   
3   public class InputRequireThisCaseGroup {
4       private String aVariable;
5   
6       public String method1(int val) {
7           switch (val) {
8               case 0:
9                   String aVariable = "";
10                  
11                  if (this.aVariable != null) {
12                      aVariable = this.aVariable;
13                  }
14                  
15                  return aVariable;
16              default:
17                  return null;
18          }
19      }
20  
21      public String method2(int val) {
22          switch (val) {
23              case 0:
24                  String aVariable = "";
25                  
26                  if (this.aVariable != null) {
27                      aVariable = this.aVariable;
28                  }
29                  
30                  return aVariable;
31          }
32          return null;
33      }
34  
35      public String method3(int val) {
36          switch (val) {
37              case 0:
38                  String other = "";
39                  
40                  if (aVariable != null) {
41                      other = aVariable;
42                  }
43                  
44                  return other;
45          }
46          return null;
47      }
48  }