I'm getting an error in my Java code but I can't see whats wrong with it. Help?

Question

The error i\'m getting is in the fillPayroll() method in the while loop where it says payroll.add(employee). The error says I can\'t invoke add() on an array type Person but th

Answer 1

If Class B extends A:

A a=new B();

but not:

B b=new A();