题解 | #数组中出现次数超过一半的数字#

import java.util.*;


public class Solution {
    /**
     * 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
     *
     * 
     * @param numbers int整型一维数组 
     * @return int整型
     */
    public int MoreThanHalfNum_Solution (int[] numbers) {
        // write code here
        HashMap hashMap = new HashMap();
        int time = 0;
        for(int i = 0; i < numbers.length; i++){
            if(hashMap.get(numbers[i]) == null){
                hashMap.put(numbers[i], 1);
                time = 1;
            }else{

                time = (int)hashMap.get(numbers[i]);
                time++;
                hashMap.put(numbers[i], time);

            }
            if(time > numbers.length/2){//不能用大于等于 哈哈
                return numbers[i];
            }
        }
        return 0;
    }
}