Learn Java from Scratch - A Beginner's Guide - Step 12 - Java Inheritance - Puzzles - Multiple Inheritance, Reference Va
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Information Technology (IT), Architecture
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7 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the reason Java does not support multiple inheritance?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What happens when you create an instance of the Dog class?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
Explain the concept of inheritance hierarchy as discussed in the video.
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
How does the Dog class inherit the toString method?
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
Can a superclass reference variable hold a subclass variable? Explain.
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the significance of the 'instanceof' operator in Java?
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7.
OPEN ENDED QUESTION
3 mins • 1 pt
Why does 'Animal instance of Dog' return false?
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