Map 循环出key 和 value
package com.cwises.action.purchase;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
public class test {
public static void main(String[] args) {
Map<String,Object> map=new HashMap<String,Object>();
map.put("1",123123);
map.put("2",123123);
map.put("3",123123);
Iterator<Entry<String, Object>> iterator = map.entrySet().iterator();
Entry<String, Object> entry;
while(iterator.hasNext()){
entry = iterator.next();
System.out.println("Key Value "+entry.getKey()+" "+entry.getValue());
}
}
}