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JAVA CONSTRUCTOR EXIT SLIP

Quiz by Mr Le

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12 questions
Show answers
  • Q1
    What is an instance in programming?
    A function within a class.
    A method used for inheritance.
    A type of variable declaration.
    A specific realization of a class.
    30s
  • Q2
    In object-oriented programming, what is a class?
    A function that returns values.
    A blueprint for creating objects.
    A collection of all instances.
    A type of data structure.
    30s
  • Q3
    What does it mean to instantiate a class?
    To call a method of the class.
    To create an object from a class.
    To modify the class definition.
    To delete the class.
    30s
  • Q4
    What is a constructor in the context of a class?
    A special method used to initialize objects.
    A way to document the class.
    A method to destroy an object.
    A type of variable.
    30s
  • Q5
    What term is used for a class derived from another class?
    Superclass
    Instance
    Subclass
    Base class
    30s
  • Q6
    What does 'inheritance' allow in object-oriented programming?
    Reusability of code
    Limitation of functionalities
    Creation of unrelated classes
    Increased complexity
    30s
  • Q7
    Which of the following best describes 'polymorphism'?
    The ability to create multiple instances of a class.
    The ability to process objects differently based on their data type or class.
    The merging of multiple classes.
    The restriction of class properties.
    30s
  • Q8
    What is the primary benefit of encapsulation in object-oriented programming?
    Data hiding
    Code duplication
    Complexity
    Reduced performance
    30s
  • Q9
    In which programming paradigm is the concept of instances most commonly used?
    Functional programming
    Object-oriented programming
    Logic programming
    Procedural programming
    30s
  • Q10
    What term describes a template from which instances are created?
    Method
    Interface
    Class
    Object
    30s
  • Q11
    What happens when a constructor is called in a class?
    It allocates memory for the program
    It defines a class
    It initializes the new instance
    It compiles the source code
    30s
  • Q12
    What is the primary purpose of creating instances in programming?
    To compile the code
    To destroy existing objects
    To create unique objects from a class
    To define a new class
    30s

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