<class 'tuple'>

<class 'dict'>

<class 'list'>

<class 'str'>

in

3

1

2

4

An exception is thrown

2.25

21

20.25

9.0

2.0

7

1

2

4

5

You need to declare the method as virtual in your derived class.

Abstract methods cannot be used in derived classes.

You must overload the method in your derived class.

You must override the method in your derived class.

Manager dan = (Manager)(new Employee());

Employee bob = new Person();

Manager cindy = new Employee();

Person alice = new Employee();

internal

private

protected

visible

public

Exception will arise

orange

3

red

yellow

6

Addition will produce result 1.

Compiler will report an error: Operator '+' is not defined for types T and int.

None of the above.

Program will generate run-time exception.

Result of addition is system-dependent.