出现次数大于等于数组长度一半的数

import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int count = 0;
        Map<Integer, Integer> map = new HashMap<>();
        while (in.hasNextInt()) {
            count = in.nextInt();
            while (in.hasNextInt()) {
                int value = in.nextInt();
                if (map.containsKey(value)) {
                    map.put(value, map.get(value) + 1);
                } else {
                    map.put(value, 1);
                }
            }
        }
        for (Integer key : map.keySet()) {
            if (map.get(key) >= count / 2.0f) {
                System.out.println(key);
                break;
            }

        }
    }
}