static void selectionSort(int[] numbers) {
    int indexMin = 0; //the index of the smallest number
    for(int i = 0; i< numbers.length; i++){
        indexMin = i;
        for(int j = i + 1; j < numbers.length; j++){
            if(numbers[j] < numbers[indexMin]){//if we find a smaller int,
                indexMin = j; //set it as the min
            }//endif
        }//endfor
        //we have the index of the smallest int and can swap the values
        int temp = numbers[i]; //use temp to store the value
        numbers[i] = numbers[indexMin];
        numbers[indexMin] = temp;
    }//endfor
}//end method selectionSort