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public int removeElement(int[] nums, int val) {
       List<Integer> listOfNum = new ArrayList<>();
        for(int num: nums)
        {
            listOfNum.add(num);
        }

        for(int i=0; i<listOfNum.size();i++)
        {
            if(listOfNum.get(i)== val){
                listOfNum.remove(i);
                i--;
            }
        }
        for(int i=0; i<listOfNum.size();i++)
        {
            nums[i] = listOfNum.get(i);
        }
        
        return listOfNum.size();
    }