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Quick Bit: Instantiating Objects

Quiz by Mr Le

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10 questions
Show answers
  • Q1
    What is instantiation in Java?
    Allocating memory for an object
    Passing parameters to a Constructor
    Creating an object for use in a program
    Defining a class blueprint
    30s
  • Q2
    What is an instance in Java?
    A variable that stores object references
    A specific realization of an object
    A primitive data type
    A method in a class
    30s
  • Q3
    What initiates the creation of an object in Java?
    A call to the class's Constructor
    Importing a package
    Assigning values to variables
    Defining a method in the class
    30s
  • Q4
    What does a Constructor do in Java?
    Defines the class structure
    Returns a value
    Initializes an object of that type
    Deletes objects from memory
    30s
  • Q5
    What does the 'new' statement do in Java object instantiation?
    Imports a package
    Calls a method in the class
    Creates a new class
    Allocates space in memory and assigns the memory address
    30s
  • Q6
    What does a parameter do in a Java Constructor?
    Provides data for the object's initial state
    Defines the class behavior
    Updates the object's state
    Stores object references
    30s
  • Q7
    What is indicated by empty parentheses in Java object instantiation?
    An overloaded Constructor
    A static method call
    An error in the code
    Default Constructor that takes no parameters
    30s
  • Q8
    What does a parameter Constructor in Java take?
    Multiple objects as arguments
    No parameters
    Two integers and one string
    Primitive data types only
    30s
  • Q9
    What defines how an object behaves in Java?
    Class definition
    Variable assignment
    Object reference
    Method invocation
    30s
  • Q10
    When is memory allocated for an object in Java?
    When the object is declared
    At the start of the program
    When the object is used
    When a call to the class's Constructor is initiated
    30s

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