Question 25 / 35:
How many objects are eligible for garbage collection after executing line 7?
public class Tester {
public static void main(String[] args) {
Integer x = new Integer(3000);
Integer y = new Integer(4000);
Integer z = new Integer(5000);
Object a = x;
x = y;
y = z;
z = null; //line 7
}
}