Find the closest pair from two arrays

//User function Template for Java

class Solution{
    // Function for finding maximum and value pair
    public static ArrayList<Integer> printClosest (int arr[], int brr[], int n, int m, int x) 
    {
        // code here
        
        
        int dummy = n;
        n = m;
        m = dummy;
        
        ArrayList<Integer> result = new ArrayList<>();
        
        
        int diff = Integer.MAX_VALUE;
        int pointerA =0, pointerB = 0;
        
        int left  = 0, right= n-1;
        
        while(left < m && right>=0)
        {
            
            if(Math.abs(arr[left] + brr[right] - x) < diff)
            {
                pointerA =  left;
                pointerB = right;
                diff = Math.abs(arr[left] + brr[right] - x);
                
            }
            
            if(arr[left] + brr[right] > x)
            {
                right--;
                
            }
            else
            {
                left++;
            }
            
            
        }
        
        
        
        
        
        result.add(arr[pointerA]);
        result.add(brr[pointerB]);
        
        return result;
        
        
        
        
    }
}