学步园

	public static void main(String[] args) {
		String [] arry = {"1","1","1","1","1","2","2","2","2","2","3","3","3","3",};
		Map<String,Integer> map = new HashMap<String, Integer>();
		for(int i =0 ;i<arry.length;i++){
			if(null!= map.get(arry[i])){
				map.put(arry[i], map.get(arry[i])+1); //value+1
			}else{
				map.put(arry[i],1);
			}
		}
		
		Iterator it = map.entrySet().iterator();  
		while(it.hasNext()){
			Map.Entry entry = (Map.Entry) it.next();   
			String  key  =  entry.getKey().toString();      
			int  value  =  Integer.parseInt(entry.getValue().toString());
			System.out.println("key is :"+key+"---value :"+value);
		} 

}