Day 3 Wipro
Authored by Ms.Yatri Davda
Engineering
University
Used 1+ times
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34 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which keyword is used for inheritance in Java?
this
super
extends
implements
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many classes can a Java class extend?
One
Two
Unlimited
Zero
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens if a subclass does not explicitly call super()?
Error occurs
JVM inserts it automatically
Parent constructor is never called
Program doesn’t compile
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which class is at the top of the inheritance hierarchy in Java?
Object
Superclass
Main
System
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which access modifier allows inheritance outside the package?
private
public
protected
default
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What will happen if a class is marked final?
It can be inherited
It cannot be extended
Its methods can’t be called
It must have a constructor
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is NOT required for method overriding?
Same name
Same return type
Same parameters
private modifier
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