java-手写实现map

package com.lideng.work322;
/**
 * 自己实现map集合
 * @author Administrator
 *
 */
public class Dome3 {

	Entry[] arr =new Entry[990];	
	int size;
	public void put(Object key,Object value){
		Entry en=new Entry(key, value);
		arr[size++]=en;
	}
	public static void main(String[] args) {
		Entry en=new Entry("001",12);

		System.out.println(en.value);
	}
	
	public Object get(Object key){
		for (int i = 0; i < size; i++) {
			if(arr[i].key.equals(key)){
				return arr[i].value;
			};
		}
		return null;
	}

}

class Entry{
	Object key;
	Object value;
	public Entry(Object key,Object value){
		this.key=key;
		this.value=value;
	}
	
}