MaxRepeatedArrayValues

 Find the max repeated 2 array values , such as //{1,2,4,4,3,1,1,4,1,3,3,4,4} = {4,1}

package test;

import java.io.*;

import java.util.*;

 

public class FindMostRepeatingNumber {

       public static void main(String[] args) {

             int[] intArray = {1,2,4,4,3,1,1,4,1,3,3,4,4};

             int[] finalArray = findValues(intArray);

             System.out.println("Final Array = " + Arrays.toString(finalArray));

       }

 

       public static int[] findValues(int[] intArray) {

             //int[] intArray = {1,2,4,4,3,1,1,4,1,3,3,4,4};

             int arrayLength = intArray.length;

 

             ArrayList<Integer> alist = new ArrayList<>();

             ArrayList<Integer> blist = new ArrayList<>();

 

             Arrays.sort(intArray);

             for (int i = 0; i < arrayLength - 1; i++) {

 

                    if (!(intArray[i] == intArray[i + 1])) {

 

                           alist.add(intArray[i]);

                           blist.add(i);

 

                    }

             }

             alist.add(intArray[arrayLength - 1]); // gives each unique values

             blist.add(arrayLength - 1);// gives Index

             System.out.println("alist = " + alist);

             System.out.println("blist = " + blist);

 

        //to find the occurance of each Element

             ArrayList<Integer> clist = new ArrayList<>();

             clist.add(blist.get(0) + 1);

             for (int i = 1; i < alist.size(); i++) {

                    clist.add((blist.get(i)) - (blist.get(i - 1)));

             }

 

             System.out.println("clist = " + clist);//occurance of each Element

 

             int[] intArray1 = new int[alist.size()];

             for (int i = 0; i < clist.size(); i++) {

                    intArray1[i] = clist.get(i); // adding clist values to intArray1 so that this can be sorted.

             }

 

             System.out.println("before sorting = " + Arrays.toString(intArray1));

             Arrays.sort(intArray1);//sorting clist arraylist through intArray1

 

             System.out.println("sorted Array = " + Arrays.toString(intArray1));

             int firstOcc = intArray1[intArray1.length - 1];

             System.out.println("firstOcc = " + firstOcc);

             int SecondOcc = intArray1[intArray1.length - 2];

             System.out.println("SecondOcc = " + SecondOcc);

             int firstValue = alist.get(clist.indexOf(firstOcc));

             int secondValue = alist.get(clist.indexOf(SecondOcc));

 

             System.out.println("The two expected values are : " + firstValue + " " + secondValue);

 

             int[] finalArray = new int[2];

             finalArray[0] = firstValue;

             finalArray[1] = secondValue;

             return finalArray;

       }

}

Output:

alist = [1, 2, 3, 4]
blist = [3, 4, 7, 12]
clist = [4, 1, 3, 5]
before sorting = [4, 1, 3, 5]
sorted Array = [1, 3, 4, 5]
firstOcc = 5
SecondOcc = 4
The two expected values are : 4 1
Final Array = [4, 1]