For each of the numbered lines of code below, state whether it will compile. If it does, state and explain the output it gives w

Question

public static class A {
public void print() {System.out.println("A");}
public void printObject(A a) {System.out.println("A");}
public static void printAll(List<A> list) {
for (A a : list) a.print();
}
}
public static class B extends A {
public void print() {System.out.println("B");}
public void printObject(B b) {System.out.println("B");}
public static void main(String[] args) {
A a = new A();
B b = new B();
LinkedList<A> alist = new LinkedList<A>();
alist.add(a);
alist.add(b);
LinkedList<B> blist = new LinkedList<B>();
blist.add(b);
1 ((B)a).print();
2 ((A)b).print();
3 A.printAll(alist);
4 b.printAll(blist);
5 a.printObject(b);
6 b.printObject((B)a);
7 b.printObject((A)b);
}
}//Q For each of the numbered lines of code below, state whether it will compile. If
it does, state and explain the output it gives when run. If it does not, explain
why not.

Answer 1

It is a wall of code and it looks like homework. Could you solve it on your own? Or do you still need help? If so, try to publish the code example at the code playground and post a new question. You can add a link to the new question.