1Z0-819 Question #197: Real Exam Question with Answer & Explanation

How many Thing objects are eligible for garbage collection in line 1? ```java private String name; public Thing(String name) { this.name = name; } public String toString() { return name; } public class Tester { public static void main(String[] args) { List<Thing> things = new ArrayList<>(); for (int i=0; i<5; i++) { things.add(new Thing("Thing" + i)); } System.out.println(things); } public static Thing[] processThings() { Thing[] things = new Thing[3]; things[0] = new Thing("Rat"); things[1] = new Thing("Cat"); things[2] = things[0]; // Line 1 things[0] = new Thing("Dog"); things[1] = things[2]; return things; } }