BuubleSort(Even)InsertionSort(Odd)Array

import java.util.Arrays;
import java.util.Scanner;

class Scratch
{
    private static int[] even;
    private static int[] odd;

    public static void evenOddArray(int[] arr)
    {
        int n = arr.length;
        int[] array = arr;
        int evenSize = 0;
        int oddSize = 0;

        for (int i = 0; i < n; i++)
        {
            if (array[i] % 2 == 0)
                evenSize++;
            else
                oddSize++;
        }

        // odd and even arrays with size
        even = new int[evenSize];
        odd = new int[oddSize];

        //separating odd and even array
        int j = 0, k = 0;
        for (int i = 0; i < n; i++)
        {
            if (array[i] % 2 == 0)
                even[j++] = array[i];
            else
                odd[k++] = array[i];
        }
    }

    public static void bubbleSort(int arr[])
    {
        int n = arr.length;
        for (int i = 0; i < n - 1; i++) {
            for (int j = 0; j < n - i - 1; j++)
            {
                if (arr[j] > arr[j + 1])
                {

                    int temp = arr[j];
                    arr[j] = arr[j + 1];
                    arr[j + 1] = temp;
                }
            }
        }
    }

    public static void insertionSort(int arr[])
    {
        int n = arr.length;
        for (int i = 1; i < n; ++i)
        {
            int temp = arr[i];
            int j = i - 1;

            while (j >= 0 && arr[j] < temp)
            {
                arr[j + 1] = arr[j];
                j = j - 1;
            }
            arr[j + 1] = temp;
        }
    }

    public static void main(String[] args)
    {
        Scanner scan = new Scanner(System.in);
        int n = scan.nextInt(); // size of array

        int array[] = new int[n]; // array with N size

        for(int i = 0; i < n; i++)
        {
            array[i] = scan.nextInt();
        }

        evenOddArray(array); //separate array
        bubbleSort(even);    //sort even array

        System.out.println(Arrays.toString(even));

        insertionSort(odd);  //sort odd array
        System.out.println(Arrays.toString(odd));
    }
}