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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.
Question: (a) To be considered object-oriented(OO), a language should support abstraction, encapsulation, inheritance and polymorphism. Explain briefly each of the terms in
In RPC the method invoker waits for the method to finish implementation and return the control back to the invoker. Therefore it is completely synchronous in nature. Whereas in JMS
What are the different types of messages available in the JMS API? Ans) Message, TextMessage, BytesMessage, StreamMessage, ObjectMessage, MapMessage are the dissimilar messages
I want Software Tool for Sequential Circuit Analysis The output of the program could be both graphical for the diagram and the rest is console. Skills required: C++ Progra
search a file with specific extension
EJB 2.x is broadly adopted server side component architecture for J2EE. 1. EJB is a remote, distributed multi-tier system and allows protocols like IIOP, JRMP, and HTTP etc.
Create a class called DeckOfCards that stores 52 objects of the Card class. Include methods to shuffle the deck, deal a deck, and report the number of cards left in the deck. The s
What do you understand by private, protected and public? These are accessibility modifiers. Private is the most restrictive, whereas public is the least restrictive. There is n
Question : (a) Explain the concept of polymorphism when used in programs using suitable examples of your own. (b) (i) Distinguish between abstract methods and non-abstrac
What is the difference among ForwardAction and IncludeAction? Ans) The difference is that you require to use the IncludeAction only if the action is going to be contained by ano
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