Why are constructors used?
Why do we declare a class static?
When should I use singleton?
What is the effect of keeping a constructor private?
What is the use of inner class?
What languages are pass by reference?
What is singleton class example?
What is the difference between class forname and new?
What is the difference between pass by reference and pass by pointer?
Which is better singleton or static class?
What is the meaning of course?
Why do we need singleton class?
What is the difference between call by reference and call by pointer?
What is the difference between sop and work instruction?
Why is logger singleton?