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Java Inner Classes

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Questions and Answers

What is the primary benefit of using enums in Java?

To allow for multiple inheritance

To create abstract classes

To override the main method

To make the values type-safe (correct)

What is the type of nested class that requires an instance of the top-level class?

Abstract class

Static member class

Interface

Inner class (correct)

What is the enum type in the given program?

Price

Size (correct)

Pizza

Java

What is the purpose of the switch structure in the given program?

To display the prices of pizzas Signup and view all the answers

What is the number of types of nested classes in Java?

4 Signup and view all the answers

What is the access level of a non-static member class to the top-level class?

To all data and methods Signup and view all the answers

What is the primary benefit of making an inner class private?

To hide its members from outside classes Signup and view all the answers

What is the advantage of using an inner class over a regular class?

It can access private members of its outer class Signup and view all the answers

Why would you not want to create an inner class in most cases?

Because it can only be used in the class it is defined in Signup and view all the answers

What is a common use case for inner classes in Java?

Implementing some built-in Java classes Signup and view all the answers

Can an outer class access the members of its inner class?

Yes, regardless of the inner class's access modifier Signup and view all the answers

What is the purpose of the `public HouseData(String address, int sqFt)` constructor?

To create a new instance of the <code>HouseData</code> class with specific values Signup and view all the answers

What is the primary reason for nesting a class inside another class?

To make the connection between classes easier to understand and maintain Signup and view all the answers

What is the access modifier of the HouseData class?

private Signup and view all the answers

What is the type of the price field in the RealEstateListing class?

double Signup and view all the answers

What is the purpose of the display method in the RealEstateListing class?

To display the details of the house Signup and view all the answers

What is the type of the listingNumber field in the RealEstateListing class?

int Signup and view all the answers

What is the purpose of the HouseData class?

To store the address and area of the house Signup and view all the answers

Java Inner Classes

Choose a study mode

Podcast

Questions and Answers

What is the primary benefit of using enums in Java?

What is the type of nested class that requires an instance of the top-level class?

What is the enum type in the given program?

What is the purpose of the switch structure in the given program?

What is the number of types of nested classes in Java?

What is the access level of a non-static member class to the top-level class?

What is the primary benefit of making an inner class private?

What is the advantage of using an inner class over a regular class?

Why would you not want to create an inner class in most cases?

What is a common use case for inner classes in Java?

Can an outer class access the members of its inner class?

What is the purpose of the `public HouseData(String address, int sqFt)` constructor?

What is the primary reason for nesting a class inside another class?

What is the access modifier of the HouseData class?

What is the type of the price field in the RealEstateListing class?

What is the purpose of the display method in the RealEstateListing class?

What is the type of the listingNumber field in the RealEstateListing class?

What is the purpose of the HouseData class?

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Java Inner Classes Quiz

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Java Inner Classes

Choose a study mode

Podcast

Questions and Answers

What is the primary benefit of using enums in Java?

What is the type of nested class that requires an instance of the top-level class?

What is the enum type in the given program?

What is the purpose of the switch structure in the given program?

What is the number of types of nested classes in Java?

What is the access level of a non-static member class to the top-level class?

What is the primary benefit of making an inner class private?

What is the advantage of using an inner class over a regular class?

Why would you not want to create an inner class in most cases?

What is a common use case for inner classes in Java?

Can an outer class access the members of its inner class?

What is the purpose of the public HouseData(String address, int sqFt) constructor?

What is the primary reason for nesting a class inside another class?

What is the access modifier of the HouseData class?

What is the type of the price field in the RealEstateListing class?

What is the purpose of the display method in the RealEstateListing class?

What is the type of the listingNumber field in the RealEstateListing class?

What is the purpose of the HouseData class?

More Like This

Java Inner Classes Quiz

Java Inner Classes

Java Inner Classes Quiz

Java Inner Classes Quiz

What is the purpose of the `public HouseData(String address, int sqFt)` constructor?