Test

Abstract Class Quiz

joannazhang13 9 preguntas 5,0 (1 valoración)

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Preguntas del test (9)

1An abstract class is a superclass
1. AVerdadero
2. BFalso
2An abstract class can be instantiated
1. AVerdadero
2. BFalso
3Abstract methods are not implemented.
1. AVerdadero
2. BFalso
4A concrete class can contain abstract methods.
1. AVerdadero
2. BFalso
5An abstract class is declared with keyword abstract.
1. AVerdadero
2. BFalso
6A subclass will always be concrete even it if doesn't implement all of the abstract methods of its superclass.
1. AVerdadero
2. BFalso
7An abstract class can have instance variables.
1. AVerdadero
2. BFalso
8An abstract class can have no abstract methods.
1. AVerdadero
2. BFalso
9An abstract class cannot have concrete methods.
1. AVerdadero
2. BFalso