intro to java course

The answer is D but i am unsure how to get that answer.

Any help greatly appreciated

9) Show the output of the following code public class Test f public static void main(String[] args)f 3, 4, 5); int [ ] x {1, increase(x); 2, int[] y 11, 2, 3, 4, 5),; increase (y[0]); System.out.println(x[0]"y[]); public static void increase (int[] x) t for (int i-0; i