Recent questions tagged essential-java-interview-questions

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What is true about constructor? (a) It can contain return type (b) It can take any number of ... programming questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

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Q: Abstract class cannot have a constructor.

Abstract class cannot have a constructor. (a) True (b) False I have been asked this question in ... 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 protected constructor?

What is true about protected constructor? (a) Protected constructor can be called directly (b) Protected ... questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

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Q: What is not the use of “this” keyword in Java?

What is not the use of this keyword in Java? (a) Passing itself to another method (b) Calling ... programming 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 one parameterized constructor is explicitly defined?

What would be the behaviour if one parameterized constructor is explicitly defined? (a) Compilation error (b) ... 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 has the highest memory requirement?

Which of the following has the highest memory requirement? (a) Heap (b) Stack (c) JVM (d) Class ... programming questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

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Q: Where is a new object allocated memory?

Where is a new object allocated memory? (a) Young space (b) Old space (c) Young or Old space ... 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 of the following is a garbage collection technique?

Which of the following is a garbage collection technique? (a) Cleanup model (b) Mark and sweep model ... questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

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Q: What is -Xms and -Xmx while starting jvm?

What is -Xms and -Xmx while starting jvm? (a) Initial; Maximum memory (b) Maximum; Initial memory ... programming questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

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Q: Which exception is thrown when java is out of memory?

Which exception is thrown when java is out of memory? (a) MemoryFullException (b) MemoryOutOfBoundsException (c ... and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance