SeparateOddEven.java

// File SeparateOddEven
public class SeparateOddEven {
    public static void main(String[] args) {
        int[] arr = {1,2,3,4,5,6,7,8,9,10};
        int oddCount = 0, evenCount = 0;
        for (int num : arr) {
            if (num % 2 == 0) {
                evenCount++;
            } else {
                oddCount++;
            }
        }
        int[] oddArray = new int[oddCount];
        int[] evenArray = new int[evenCount];
        int oddIndex = 0, evenIndex = 0;
        for (int num : arr) {
            if (num % 2 == 0) {
                evenArray[evenIndex++] = num;
            } else {
                oddArray[oddIndex++] = num;
            }
        }
        System.out.println("Original array: " + java.util.Arrays.toString(arr));
        System.out.println("Odd numbers: " + java.util.Arrays.toString(oddArray));
        System.out.println("Even numbers: " + java.util.Arrays.toString(evenArray));
    }
}