Constructors and Methods -Java Programming MCQ Questions and Answers

21

Which keyword is used to declare a method that cannot be overridden in Java?

A) final B) static C) abstract D) private

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Answer & Solution

Answer: Option A

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22

What is method hiding in Java?

A) Defining a new method with the same name in a subclass B) Making a method private in a subclass C) Redefining a method with a different return type D) Defining a method with the same name in the superclass

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Answer: Option A

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23

What is the purpose of the "return" statement in a method in Java?

A) To specify the method's access modifier B) To indicate that the method should return a value C) To stop the execution of the program D) To indicate the method is static

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Answer & Solution

Answer: Option B

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24

In Java, can a method have the same name as the class?

A) Yes, it is a constructor B) Yes, it is a static method C) Yes, it is a public method D) No, it is not allowed

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Answer: Option A

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25

What is method signature in Java?

A) The method name and its parameter types B) The method's return type C) The method's access modifier D) The method's implementation

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Answer: Option A

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26

In Java, which access modifier allows a method to be accessed from any class in any package?

A) public B) private C) protected D) default (package-private)

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Answer & Solution

Answer: Option A

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27

What is a non-static (instance) method in Java?

A) A method that belongs to an instance of a class B) A method that cannot be called on objects C) A method that is marked as "static" D) A method that returns a static value

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Answer & Solution

Answer: Option A

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28

In Java, what does the "final" keyword indicate when used with a method?

A) The method cannot be overridden in subclasses B) The method is a static method C) The method is a constructor D) The method cannot be accessed from other classes

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Answer: Option A

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29

What is the difference between a method declaration and a method definition in Java?

A) Declaration specifies method name, return type, and parameters; definition provides the implementation B) Declaration is used for constructors, and definition is used for regular methods C) Declaration is optional, and definition is mandatory D) Declaration and definition are the same in Java

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Answer: Option A

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30

In Java, what is the purpose of method overloading?

A) Defining multiple methods with the same name but different parameters B) Hiding methods in a superclass C) Redefining methods in a subclass D) Calling methods from other classes

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Answer & Solution

Answer: Option A

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