Java Object-Oriented Programming Concepts Quiz
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Questions and Answers

Which of the following is used to define the attributes and behaviors of an object in Java?

  • Class (correct)
  • Modifiers
  • Inheritance
  • Methods

What keyword is used to define a subclass in Java?

  • subclass
  • inherited
  • extends (correct)
  • superclass

How are the functions defined within a class in Java referred to?

  • Methods (correct)
  • Inheritance
  • Variables
  • Attributes

What term describes the ability of a method to perform different operations based on the object it is acting upon?

<p>Polymorphism (D)</p> Signup and view all the answers

What is a group of related properties and methods in Java called?

<p>Class (B)</p> Signup and view all the answers

Which keyword is used in Java to prevent a class from being inherited?

<p>final (D)</p> Signup and view all the answers

What is used in Java to represent the characteristics of an object?

<p>Attributes (D)</p> Signup and view all the answers

Which keyword is used to allow one class to inherit properties and behaviors from another class in Java?

<p>extends (C)</p> Signup and view all the answers

In Java, where are the variables declared if they are outside any method?

<p>Attributes (B)</p> Signup and view all the answers

Which keyword is used in Java to create a new instance of a class?

<p>new (C)</p> Signup and view all the answers

What represents the behaviors of an object in Java?

<p>Methods (C)</p> Signup and view all the answers

Which of the following is NOT an access modifier in Java?

<p>accessible (A)</p> Signup and view all the answers

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