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
Q1. True or False: Java is the only language that supports inheritance.
- True
- False
Answer: True
Q2. Which Java keyword creates a class as a superclass?
- is
- implements
- super
- extends
Answer: extends
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
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
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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