/*
 * Tyler Mi
 *
 * This program shows reference semantics
 */
import java.util.*;

public class ReferenceSemantics {
   public static void main(String[] args) {
      int[] x = {2, 6};
      System.out.println("in main, x     = " + Arrays.toString(x));
      x = change(x);
      System.out.println("in main, x     = " + Arrays.toString(x));
   }

   public static int[] change(int[] arr) {
      arr[1] = 8;
      System.out.println("in change, arr = " + Arrays.toString(arr));
      
      arr = new int[]{4, 9, 1};
      System.out.println("in change, arr = " + Arrays.toString(arr));
      return arr;
   }
   
   // 1. Return the object you want to be at that spot
   // 2. Change method header to return that object
   // 3. Catch the return with x=change(x)
}