Java Software Engineer Question: Download Questions PDF
Explain me what is singleton class and how can we make a class singleton?
Answer:
Singleton class is a class whose only one instance can be created at any given time, in one JVM. A class can be made singleton by making its constructor private.
Download Java Software Engineer Interview Questions And Answers
PDF
Previous Question | Next Question |
Tell me what is the difference between an Iterator and a ListIterator? | Explain me how are Annotations better than a Marker Interfaces? |