package Warashibe; public class SwapObjects{ public static void swap(House house1, House house2){ House temp = house1; house1 = house2; house2 = temp; } public static void main(String[] args) { House house1 = new House(); House house2 = new House(); house1.value = 5; house2.value = 2; //swap using objects swap(house1, house2); System.out.println(house1.value +", " + house2.value); } } class House { public int value; }