adplus-dvertising
frame-decoration

Question

What is true about private constructor?

a.

Private constructor ensures only one instance of a class exist at any point of time

b.

Private constructor ensures multiple instances of a class exist at any point of time

c.

Private constructor eases the instantiation of a class

d.

Private constructor allows creating objects in other classes

Posted under Classes and Methods Java Programming

Answer: (a).Private constructor ensures only one instance of a class exist at any point of time

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. What is true about private constructor?
Add Comment

Similar Questions

Discover Related MCQs

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

View solution

Q. What is false about constructor?

View solution

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

View solution

Q. What is true about constructor?

View solution

Q. Abstract class cannot have a constructor.

View solution

Q. What is true about protected constructor?

View solution

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

View solution

Q. What would be the behaviour if one parameterized constructor is explicitly defined?

View solution

Q. What would be behaviour if the constructor has a return type?

View solution

Q. Which of the following has the highest memory requirement?

View solution

Q. Where is a new object allocated memory?

View solution

Q. Which of the following is a garbage collection technique?

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

Q. Garbage Collection can be controlled by a program?

View solution

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

View solution
View All MCQs on Classes and Methods

Suggested Topics

Are you eager to expand your knowledge beyond Java Programming? We've curated a selection of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!

Hadoop

Dive into the world of big data with our Hadoop MCQs. Cover key concepts including...

Discrete Mathematics

Refine your mathematical skills essential for computer science with our Discrete...

Cryptography and Network Security

Secure your knowledge of information security with our Cryptography and Network...

Digital Communication

Master the basics of electronic communication with our Digital Communication MCQs....

SQL Server

Master Microsoft's database server with our SQL Server MCQs. Topics cover database...

DBMS

Get a firm grasp on database systems with our DBMS MCQs. Explore relational...

Systems Analysis and Design Methods

Get familiar with the process of designing and improving business systems with our...

Internet of Things (IoT)

Discover how devices communicate with each other in the smart world with our IoT...

Computer Architecture

Unveil the science behind computer design with our Computer Architecture MCQs. Topics...