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exlain class and object
Explain how many ways businesses monitor their employees? • Systems are available which monitor almost every key stroke that an employee forms on a computer. • Systems are avai
This language was designed to adapt the changing environment and behavior. New methods and instance variables can be added to the client side without any major changes happening at
Why there is a need to use primary key in database ? Primary key is a constraint basically used in datdabase to uniquely identify the records in the database.
Draw an inheritance hierarchy to represent a shoe object. The base class should have derived classes of Dress Shoes, Tennis Shoes and Boots.
What is 'public static void main (String args[ ] ) ' signifies? Access specifier is the 'public' keyword. 'static' keyword allows main() to called without instantiating
RMI Object services: In addition to its remote object architecture, RMI gives some basic object services, which may be needed in a distributed application. 1. Object namin
Why is an Interface be able to extend more than one Interface but a Class can't extend more than one Class? Basically Java doesn't permit multiple inheritances, so a Class is r
What is difference among LookupDispatchAction and DispatchAction? Ans) The difference among LookupDispatchAction and DispatchAction is that the actual method that gets known in
Give an Examples of Access Protection ? This is how the Car class would almost certainly be written in practice. Remember that all the fields are now declared private, and the
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