[LeetCode] Array - Check If N and Its Double Exist

class Solution {
    public boolean checkIfExist(int[] arr) {
        
        boolean result = false;
        
        for(int i = 0; i < arr.length; i++) {          
            for(int j = 0; j < arr.length; j++) {
                if(j == i) 
                    continue;
                
                if(arr[i] * 2 == arr[j]){
                    result = true;
                    break;
                }
            }
        }
        return result;
    }
}