Most Frequent Number Java

package com.company;

import java.lang.reflect.Array;
import java.util.Arrays;
import java.util.Scanner;
import java.util.StringJoiner;
import java.util.concurrent.Callable;

public class Main {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String str = scanner.nextLine();
        int[] arr = Arrays.stream(str.split(" ")).mapToInt(Integer::parseInt).toArray();

        int maxLength = 1;
        int currentLength = 1;
        int mostFrequentNumber = arr[0];

        for (int i = 0; i < arr.length; i++) {

            int currentNumber = arr[i];
            for (int j = i+1; j < arr.length; j++) {

                if(currentNumber == arr[j]){
                    currentLength++;
                }

            }

            if(currentLength > maxLength){
                maxLength = currentLength;
                mostFrequentNumber = currentNumber;
            }

            currentLength = 1;

        }

        System.out.println(mostFrequentNumber);

    }
}