遍历MAP

遍历MAP的方法 

for (Map.Entry<String, String> temp : map.entrySet()) {
                        System.out.println(temp.getKey());
                 }
Map<Integer, String> map=new HashMap<Integer, String>();
for (Map.Entry<String,Integer> entry:map.entrySet()) {
     System.out.println("Key:"+entry.getKey());
     System.out.println("Value:"+entry.getValue());
}