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1
8
9 package foxtrot.test;
10
11
14 public class MutableInteger implements Comparable 
15 {
16 private int value;
17
18 public MutableInteger(int value)
19 {
20 this.value = value;
21 }
22
23 public int get()
24 {
25 return value;
26 }
27
28 public int hashCode()
29 {
30 return value;
31 }
32
33 public boolean equals(Object obj)
34 {
35 if (obj == null) return false;
36 if (obj == this) return true;
37 try
38 {
39 return get() == ((MutableInteger)obj).get();
40 }
41 catch (ClassCastException x)
42 {
43 }
44 return false;
45 }
46
47 public int compareTo(Object obj)
48 {
49 if (obj == null) return 1;
50 if (obj == this) return 0;
51
52 int thisValue = get();
53 int otherValue = ((MutableInteger)obj).get();
54 if (thisValue > otherValue) return 1;
55 if (thisValue < otherValue) return -1;
56 return 0;
57 }
58
59 public void set(int value)
60 {
61 this.value = value;
62 }
63
64 public String toString()
65 {
66 return String.valueOf(get());
67 }
68 }
69 |
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