What is singleton pattern?
What is the use of TL?
Is the empty set a singleton?
What is java oops?
What is multiple inheritance? Is it supported by java?
What is a boolean structure?
What is an eror in java?
What are filterstreams?
what is a thread pool in java and why is it used?
Is assembly language a low level language?
Can we have multiple classes in single file ?
What is downcasting?
what is different between static and non static methods ,using example