1 package text;
2
3 public class SxtMap001{
4 SxtEntry[] arr = new SxtEntry[990];
5 int size;
6 public void put(Object key,Object value){
7 SxtEntry e = new SxtEntry(key,value);
8 arr[size++]=e;//放入数组中
9 }
10
11 public Object get(Object key){
12 for(int i=0;i<size;i++){
13 if(arr[i].key.equals(key)){
14 return arr[i].value;
15 }
16 }
17 return null;
18 }
19 public boolean containsKey(Object key){
20 for(int i=0;i<size;i++){
21 if(arr[i].key.equals(key)){
22 return true;
23 }
24 }
25 return false;
26 }
27
28 public boolean containsvalue(Object value){
29 for(int i=0;i<size;i++){
30 if(arr[i].value.equals(value)){
31 return true;
32 }
33 }
34 return false;
35 }
36 public void putAll(SxtMap001 T){
37 for(int i=0;i<T.size;i++){
38 System.out.println(arr[i].key+":"+((Wife)arr[i].value).name);
39 }
40 }
41
42
43 public static void main(String[] args){
44 SxtMap001 m = new SxtMap001();
45 m.put("张三",new Wife("杨幂"));//Wife请参考上一篇，其实就是一个用来创建对象的类
46 m.put("张三",new Wife("李四"));
47 Wife w=(Wife) m.get("张三");
48 System.out.println(w.name);
49 Object M="李四";
50 System.out.println(m.containsKey("张三"));
51 System.out.println(m.containsvalue("李四"));
52 m.putAll(m);
53
54
55 }
56 }
57 class SxtEntry{
58 Object key;
59 Object value;
60
61 public SxtEntry(Object key,Object value){
62 super();
63 this.key=key;
64 this.value=value;
65 }
66 }
运行结果：
杨幂
true
false
张三:杨幂
张三:李四
