Java Quiz 2

Which of the following is a type of polymorphism in Java Programming?

• Multiple polymorphism

• Compile time polymorphism

• Multilevel polymorphism

• Execution time polymorphism

What is the main benefit of using polymorphism in object-oriented programming?

• Code reusability

• Increased performance

• Reduced memory usage

• Enhanced security

Which keyword is used to achieve method overriding in Java?

• override

• super

• this

• final

What type of polymorphism is achieved through method overloading?

• Compile time polymorphism

• Runtime polymorphism

• Static polymorphism

• Dynamic polymorphism

What is the term for polymorphism that occurs when a subclass provides a specific implementation of a method that is already defined in its superclass?

• Method overloading

• Method overriding

• Static binding

• Dynamic binding

In which scenario is runtime polymorphism typically utilized?

• When the method is called at compile time

• When the method is called at runtime

• When the method is private

• When the method is static

Which of the following best describes the concept of polymorphism in object-oriented programming?

• The ability to process objects differently based on their data type or class

• The ability to create multiple instances of a class

• The ability to inherit properties from another class

• The ability to encapsulate data and methods

What is the primary purpose of method overloading in object-oriented programming?

• To allow multiple methods with the same name but different parameters

• To enhance security of the methods

• To improve performance of the application

• To reduce memory consumption

Which of the following statements is true about dynamic binding in Java?

• It occurs at compile time

• It allows method calls to be resolved at runtime

• It is used exclusively for static methods

• It cannot be used with interfaces

What is the effect of using the 'final' keyword on a method in Java?

• The method cannot be overridden in subclasses

• The method can be overloaded

• The method can be inherited

• The method can be called multiple times