Untitled

public class RemoveElement {
    public static int removeElement(int[] nums, int val) {
        int j = 0; // Pointer for placing valid elements

        for (int i = 0; i < nums.length; i++) {
            if (nums[i] != val) { // Keep only elements not equal to val
                nums[j] = nums[i];
                j++;
            }
        }
        return j; // `j` is the new length of the modified array
    }

    public static void main(String[] args) {
        int[] nums = {0,1,2,2,3,0,4,2};
        int val = 2;
        int k = removeElement(nums, val);
        
        // Printing the result
        System.out.println("Output Length: " + k);
        System.out.print("Modified Array: ");
        for (int i = 0; i < k; i++) {
            System.out.print(nums[i] + " ");
        }
    }
}