Quiz 3 - Bce Rep
5 Questions
| Total Attempts: 81
Online quiz BCE repeaters
Questions and Answers
- 1.Methods and Fields from a Super Class can only be visible in a Sub class when they are;
- A.
Public
- B.
Private
- C.
Protected
- D.
Both Public or Protected members are visible
- 2.In an is-a relationship, an object of a subclass can also be treated as an object of its superclass.
- A.
True
- B.
False
- 3.In polymorphism, we create object of a subclass and initialize it by assigning a reference of a super class.
- A.
True
- B.
False
- 4.To explicitly call a method from super class we use keyword;
- A.
Super
- B.
Implements
- C.
Instanceof
- D.
This
- 5.Which of these is not a correct statement?
- A.
Every class containing abstract method must be declared abstract.
- B.
Abstract class defines only the structure of the class not its implementation.
- C.
Abstract class can be instantiated by new operator.
- D.
Abstract class can be inherited.
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