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Java ±éÀú Map

Map m = new HashMap();
for (Object o : map.keySet()){
map.get(o);
}

JDK1.4

Map map = new HashMap() ;

Iterator it = map.entrySet().iterator() ;
while (it.hasNext())
{
Map.Entry entry = (Map.Entry) it.next() ;
Object key = entry.getKey() ;
Object value = entry.getValue() ;
}


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/**
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*     1¡¢ÒªÇóËù²éÕÒµÄÊý×éÒÑÓÐÐò,²¢ÇÒÆäÖÐÔªËØÒÑʵÏÖComparable<T>½Ó¿Ú,ÈçInteger¡¢StringµÈ.
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package Sort;
class Data {
 Comparable key;
 Object value;
 public Data() {
 }
 
 public Data(Data data){
   this.key=data.key;
   this.value=data.value;
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import java.io.*;
public class Luckyman {
 public static void main(String []args){
  int coins,i,j,bets,rand,rewards,unit;
  char choiceID,luckyID;
  boolean flag=true;
  int in;
  coins=10;
  bets=0;
  unit=1;
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