What is the output of the following Java program?

What is object-oriented paradigm?

What is an object?

What is the difference between an object-oriented programming language and object-based programming language?

What will be the initial value of an object reference which is defined as an instance variable?

What is the constructor?

How many types of constructors are used in Java?

How many types of constructors are used in Java?

What is the purpose of a default constructor?

Does constructor return any value?

Can you make a constructor final?