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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		// your code goes here
  13. 		int arr[] =  {3,2,3,2,4,3};
  14. 		int n = arr.length;
  15.  
  16. 		int maxElem = 0,minElem = 0;
  17. 		int minFreq = Integer.MAX_VALUE;
  18. 		int maxFreq = 0;
  19.  
  20. 		Map<Integer,Integer> mp = new HashMap<>();
  21.  
  22. 		for(int i =0;i<n;i++){
  23. 			mp.put(arr[i],mp.getOrDefault(arr[i],0) + 1);
  24. 		}
  25.  
  26. 	      for(Map.Entry<Integer,Integer> num : mp.entrySet()){
  27. 	      	if(num.getValue() > maxFreq){
  28. 	      		maxFreq = num.getValue();
  29. 	      		maxElem = num.getKey();
  30. 	      	}
  31.  
  32. 	      	if(num.getValue()< minFreq){
  33. 	      		minFreq = num.getValue();
  34. 	      		minElem = num.getKey();
  35. 	      	}
  36. 	      }
  37.  
  38. 	      System.out.println(maxElem  +" : " + maxFreq);
  39. 	      System.out.println(minElem + " : " + minFreq);
  40. 	}
  41. }
Success #stdin #stdout 0.19s 55504KB
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3 : 3
4 : 1
https://ideone.com/DDefC4
language:
Java (HotSpot 12)
created:
8 days ago
visibility:
public

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