Learn Java from Scratch - A Beginner's Guide - Step 08 - Object Is at Top of Inheritance Hierarchy

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Information Technology (IT), Architecture
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to a class in Java if it does not explicitly extend another class?
It becomes an abstract class.
It automatically extends the Object class.
It cannot be instantiated.
It becomes a final class.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following methods is NOT inherited from the Object class?
equals
notify
hashCode
getName
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the Object class in Java's class hierarchy?
It is a class for handling exceptions.
It is a utility class for string operations.
It is used only for arrays.
It is the base class for all classes.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When you print an object in Java, which method is called internally?
toString
hashCode
notify
equals
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method is commonly overridden to provide a custom string representation of an object?
notify
equals
hashCode
toString
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