Zadacha1

1. Най-често срещано число

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

public class Zadachki {

    private static HashMap<Integer, Integer> map = new HashMap();

    public static void getValue() {
        int com = 0;
        int key = 0;
        for (Map.Entry<Integer, Integer> entry : map.entrySet()) {
            if (com < entry.getValue()) {
                com = entry.getValue();
                key = entry.getKey();
            }
        }
        System.out.println("Most common "+key + " ==> " + com);
    }

    public static void HashMapFill(int[] arr) {
        for (int i = 0; i < arr.length; i++) {
            if (!map.containsKey(arr[i])) {
                map.put(arr[i], 1);
            } else if (map.containsKey(arr[i])) {
                int count = 1 + map.get(arr[i]);
                map.put(arr[i], count);
            }
        }
    }

    public static void main(String[] args) {
        int arr[] = {4, 1, 1, 4, 2, 3, 4, 4, 1, 2, 4, 9, 3};
        HashMapFill(arr);
        System.out.println(map);
        getValue();

    }
}