JPRG Topic 2-2 Inheritance and Polymorphism

Quiz
•
Computers
•
University
•
Medium

Alvin Tang
Used 10+ times
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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a class declaration "public class Student extends Person", the Student class is the ___
parent class
extended class
subclass
my class
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following will implement the relationship as shown?
public class Car import Vehicle
public class Vehicle import Car
public class Vehicle extends Car
public class Car extends Vehicle
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
If the Triangle class is a sub-class of the Shape class, is the given code valid?
True
False
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
In the code snippet shown, the greetings() method is _
overlorded
overloaded
overridden
overwritten
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which access modifier will allow the name and age properties to be accessible from subclasses of Person?
private
protected
inherited
protect
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The super keyword allows subclasses to call methods and properties from the parent class.
No
Yes
Maybe?
I guess. Who am I to judge?
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