The Java Language | Module 3

Course Name: The Java Language (Java as a Second Language Specialization)

Course Link: The Java Language

These are The Java Language Week 3 Coursera Answers

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Q1. True or False: Java is the only language that supports inheritance.

• True
• False

Answer: True

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Q2. Which Java keyword creates a class as a superclass?

• is
• implements
• super
• extends

Answer: extends

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Q3. If class A extends class B, class A will have class B’s and . Select all that apply.

• none of these
• subclasses
• methods
• properties

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These are The Java Language Week 3 Coursera Answers

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Q4. True or False: If a class inherits from another class, it cannot have its own methods and properties.

• True
• False

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Q5. A superclass inherits from __________ .

• Nothing
• the new class
• the Java Object
• a subclass

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Q6. True or False: if there is no extends keyword, a class still inherits from Java Object.

• True
• False

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These are The Java Language Week 3 Coursera Answers

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Q7. ________ allows a class to inherit from another class, while having its own unique properties and methods.

• Inheritance
• Polymorphism
• Superclasses

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Q8. Which of the following describes Overloading Functions? Select all that apply.

• Java runs the called functions with matching parameters at runtime
• is supported by Java
• Class can have more than 1 function with the same name IF the parameters are different
• is implemented using the extends keyword

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Q9. Which class is at the top of the class hierarchy?

• the superclass
• the object class
• the parent class
• the subclass

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Q10. True or False: An abstract class can only be subclassed.

• True
• False

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These are The Java Language Week 3 Coursera Answers

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