How can we create an immutable class in java?
What do you understand by java virtual machine?
Name some classes present in java.util.regex package.
How can an object be unreferenced?
What is the inheritance?
What are the differences between abstract class and interface?
What is the static variable?
Can we initialize the final blank variable?
How to make a read-only class in java?
How to create packages in java?
Can you achieve runtime polymorphism by data members?
Why is multiple inheritance not supported in java?
What is java instanceof operator?
Can we declare a constructor as final?
Can you declare the main method as final?