Recent questions

0 votes

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

0 votes

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

0 votes

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

0 votes

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

0 votes

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

0 votes

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

0 votes

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

0 votes

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

0 votes

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

0 votes

Q: What is true about constructor?

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

0 votes

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

0 votes

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

0 votes

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

0 votes

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

0 votes

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

0 votes

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

0 votes

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

0 votes

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

0 votes

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

0 votes

Q: How to get prints of shared object memory maps or heap memory maps for a given process?

How to get prints of shared object memory maps or heap memory maps for a given process? (a) jmap ... programming questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

0 votes

Q: What happens to the thread when garbage collection kicks off?

What happens to the thread when garbage collection kicks off? (a) The thread continues its operation (b) ... questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

0 votes

Q: Which of the below is not a Java Profiler?

Which of the below is not a Java Profiler? (a) JVM (b) JConsole (c) JProfiler (d) Eclipse ... java programming questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

0 votes

Q: Which of the below is not a memory leak solution?

Which of the below is not a memory leak solution? (a) Code changes (b) JVM parameter tuning (c) ... programming questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

0 votes

Q: What is the process of defining two or more methods within same class that have same name but different parameters declaration?

What is the process of defining two or more methods within same class that have same name but different ... questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

0 votes

Q: Which of these can be overloaded?

Which of these can be overloaded? (a) Methods (b) Constructors (c) All of the mentioned (d) None ... programming questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

0 votes

Q: Which of these is correct about passing an argument by call-by-value process?

Which of these is correct about passing an argument by call-by-value process? (a) Copy of argument ... questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

0 votes

Q: Which of these access specifiers must be used for main() method?

Which of these access specifiers must be used for main() method? (a) private (b) public (c) ... programming questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

0 votes

Q: Which of these is used to access a member of class before object of that class is created?

Which of these is used to access a member of class before object of that class is created? (a) ... programming questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

0 votes

Q: Which of these is used as a default for a member of a class if no access specifier is used for it?

Which of these is used as a default for a member of a class if no access specifier is used for it ... programming questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance

0 votes

Q: What is the process by which we can control what parts of a program can access the members of a class?

What is the process by which we can control what parts of a program can access the members of a ... programming questions and answers pdf, java interview questions for beginners...

asked Oct 26, 2021 in Education by JackTerrance