Why main function is static?
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what is object-oriented programming in java?
What is java util collection?
Adapter classes?
What is the need to implement Serializable interface (with no methods) for objects which are to be serialized ? We can write our own functionality which writes objects to streams then why we need to implement and tell JVM that which objects can be serialized.
when you will synchronize a piece of your code? : Java thread
How can we make a class virtual?
What is the default initialized value of a boolean type variable?
Why java is secure? Explain.
what is domain object
What is the function of log?
What is the transient keyword?
What is stack class in java?