java - Copy objects into arraylist instead of pointing -
i trying create arraylist of nodes used come 1 place(node) another. nick name of place , node's pi previous node in path. arraylist<node> bestway = new arraylist<node>(); while(chosen.nick != from){ bestway.add(chosen); chosen = chosen.pi; } the problem elements in bestway becomes same. when print bestway place1, place1, place1, place1 , , not place1, place2, place3, place4 . is possible copy elements array, , not add pointers chosen-element changes on line after. lot! here example trying mimic explained. works me hence, error should somewhere else guess: public class example { public static void main(string[] args) { list<node> bestway = new arraylist<node>(); node chosen = new node("place1"); string = chosen .add("place2") .add("place3") .add("place4") .add("place5") .
