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  1. import java.util.HashMap;
  2. import java.util.Map;
  3.  
  4. public class Main {
  5.     public static void main(String[] args) {
  6.         int n = 6;
  7.         int[] arr = {1, 1, 2, 3, 3, 3};
  8.  
  9.         Map<Integer, Integer> mp = new HashMap<>();
  10.         int maxiFreq = Integer.MIN_VALUE, maxiElement = arr[0];
  11.         int miniFreq = Integer.MAX_VALUE, miniElement = arr[0];
  12.  
  13.         for (int i = 0; i < arr.length; i++) {
  14.             mp.put(arr[i], mp.getOrDefault(arr[i], 0) + 1);
  15.         }
  16.  
  17.         for (Map.Entry<Integer, Integer> num : mp.entrySet()){
  18.             if (num.getValue() >= maxiFreq){
  19.                 maxiFreq = num.getValue();
  20.                 maxiElement = num.getKey();
  21.             }
  22.             if (num.getValue() <= miniFreq){
  23.                 miniFreq = num.getValue();
  24.                 miniElement = num.getKey();
  25.             }
  26.         }
  27.  
  28.  
  29.  
  30.         System.out.println("Max frequency element: " + maxiElement + " with frequency: " + maxiFreq);
  31.         System.out.println("Min frequency element: " + miniElement + " with frequency: " + miniFreq);
  32.     }
  33. }
  34.  
Success #stdin #stdout 0.12s 57544KB
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Max frequency element: 3 with frequency: 3
Min frequency element: 2 with frequency: 1
https://ideone.com/TeV81H
language:
Java (HotSpot 12)
created:
5 days ago
visibility:
public

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