public class Solution {
    public boolean isArraySorted(int[] numbers) {

        if(numbers.length == 0 || numbers.length == 1) return true;

        for(int i = 0; i < numbers.length-1; i++){
            if(numbers[i] > numbers[i + 1]){
                return false;   
            }
        }
        return true;
    }
}