Recent questions tagged essential-java-interview-questions

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Q: Which of the following is a method having same name as that of it’s class?

Which of the following is a method having same name as that of it's class? (a) finalize (b) ... java programming questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

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Q: What is the return type of Constructors?

What is the return type of Constructors? (a) int (b) float (c) void (d) none of the mentioned ... java programming questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

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Q: Which keyword is used by the method to refer to the object that invoked it?

Which keyword is used by the method to refer to the object that invoked it? (a) import (b) catch ... programming questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

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Q: Which of the following is a method having same name as that of its class?

Which of the following is a method having same name as that of its class? (a) finalize (b) delete ... programming questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

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Q: Which operator is used by Java run time implementations to free the memory of an object when it is no longer needed?

Which operator is used by Java run time implementations to free the memory of an object when it is no ... questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

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Q: Which function is used to perform some action when the object is to be destroyed?

Which function is used to perform some action when the object is to be destroyed? (a) finalize() ( ... programming questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

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Q: What is true about private constructor?

What is true about private constructor? (a) Private constructor ensures only one instance of a class exist at ... questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

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Q: What would be the behaviour if this() and super() used in a method?

What would be the behaviour if this() and super() used in a method? (a) Runtime error (b) ... java programming questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

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Q: What is false about constructor?

What is false about constructor? (a) Constructors cannot be synchronized in Java (b) Java does not provide ... questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

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Q: What is true about Class.getInstance()?

What is true about Class.getInstance()? (a) Class.getInstance calls the constructor (b) Class.getInstance is ... questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance