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Objects and Classes - Java Multiple Choice Interview Questions with Answers

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Java quiz questions with answers. Here five MCQ Questions with Answers are added on Java objects and classes and each question contain four options as possible answer but only one option is the correct answer. Select one and check your answer with the given correct answer.
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(11) Which of the following is not true about constructors?
[A] It initializes an object immediately upon creation
[B] It is syntactically similar to a method
[C] The return type of class constructor is the class type itself
[D] All of the above

Comment

Answer: Option [D]
(12) A default constructor has
[A] has no arguments
[B] has no return type
[C] has one argument but no return type
[D] has two arguments

Comment

Answer: Option [A]

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(13) When a method is made static, it cannot use
[A] this
[B] super
[C] Both [A] and [B]
[D] None the above

Comment

Answer: Option [B]
(14) Which method of the thread class should be defined?
[A] run()
[B] start()
[C] Both [A] and [B]
[D] None of these above

Comment

Answer: Option [A]
(15) In Java, main() method rteturns a value of type
[A] void
[B] int
[C] real
[D] string

Comment

Answer: Option [A]

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