题解 | #数组中出现次数超过一半的数字#

import java.util.HashMap;
import java.util.Map;
public class Solution {
    public int MoreThanHalfNum_Solution(int [] array) {
        Map<Integer, Integer> map = new HashMap<>();
        int ans = 0;
        for (int i : array) {
            map.put(i, map.getOrDefault(i, 0) + 1);
            if (map.get(i) > array.length / 2) {
                ans = i;
                break;
            }
        }
        return ans;
    }
}