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The non-final functions are clone (), finalize (), toString (), equals (), hashCode () and. The other methods like wait (), getClass (), notifyAll (), notify () etc are final functions and therefore cannot be overridden.
The hashCode() and equals() methods have to be very important, when objects implementing these two functions are added to collections. If not implemented or implemented incorrectly at all then your objects added in a collection like a Set, Map or List can behave strangely and also is hard to debug.
There are three layers:- a . Stub and Skeleton layer This layer lies just under the view of the developer. This layer intercepts method calls made by the client to the inte
Why hub is used in networks? Hub is networking equipment and a device that connects various computers to form a network. In a network the NIC translates the message within elec
A user interface control that outputs data to a client or permits a user to input data to a JavaServer Faces application.
A socket is interaction channel, which facilitates inter-process communication. A socket is an endpoint for interaction. There are two types of sockets, dependin
Describe Inner Classes in java? An inner class is a class whose body is described inside another class, referred to as the top-level class. For instance: public class Queue {
How instant messaging works? Write the steps involved in this process? The Instant Messaging services available permit us to manage a list of people (contacts) that we interact
How does an exception permeate through the code? An unhandled exception moves up the method stack in search of a matching When an exception is thrown from a code which is wrapp
How do I prevent the output of my JSP or Servlet pages from being cached by the browser? Ans) You will require to set the appropriate HTTP header attributes to stop the dynamic
Question 1 Explain the data types in Java Question 2 Write a note on StringBuffer Question 3 What is Exception? Question 4 Write a note on stream classes Questi
In this assignment I would like to have java code that would have either JFrame or something similar with multiple buttons like "BaseCase", "CoalLosses", "Demand", "NoCT,nuclear",
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