Changing value of an array

 public class changingarr {

    static void change(int[] arr) { // void

        arr[0] = 45;

    }

    public static void main(String[] args) {

        int[] marks = { 34, 55, 56, 88, 35 };

        change(marks);

        System.out.println("value after changing:" + marks[0]);

    }

}