public static void modifyArray(int[] array) {
    for(int i = 0; i < array.length; i++) {
        array[i] += 10;
    }
}
public static void main(String[] args) {
    int[] numbers = {1, 2, 3};
    modifyArray(numbers);
    for(int i = 0; i < numbers.length; i++) {
        System.out.print(numbers[i] + " ");
    }
}