根据宠物昵称查找对应宠物，如果找到，显示宠物信息，否则给出错误提示

public class Test02 {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Map<String, Dog> map = new HashMap<String, Dog>();
		map.put("大大", new Dog("一号",5,"军犬"));
		map.put("小小", new Dog("二号",8,"盲犬"));
		map.put("牛牛", new Dog("三号",1,"猎犬"));

//		System.out.println("是否含键：" + map.containsKey("大大"));		
		if(map.containsKey("大大")) {
			System.out.println(map.get("大大"));
		}else {
			System.out.println("查找错误");
		}
	}
}