27_Remove Element_2.java

/**
 *  @author WasitShafi
 *  @since 30-AUG-2021
 */

class Solution {
  public int removeElement(int[] nums, int val) {
    int ans = 0;
    
    for (int i = 0; i < nums.length; i++) {
      if (nums[i] != val) {
        nums[ans++] = nums[i];
      }
    }
    return ans;
  }
}