Java design patterns interview questions
Latest answer: A reusable software design solution in general
for the problems that are recurrently occuring. Design pattern is not a
solution but a description for how to solve a problem in different
situations.............
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Latest answer: It is a software pattern which is not related to
a language. It is related to a business domain like health care,
telecom..............
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Latest answer: Analysis pattern are targeted for domain
architecture, where as design pattern are targeted for implementation mechanism
for some of the aspects of the domain...............
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answer
Latest answer: Singleton pattern is one of the design patterns
that is utilized for restricting instantiation of a class to one or few
specific objects................
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Latest answer: The following are the steps to write a
thread-safe singleton: Declare a Boolean variable, ‘instantiated’, to know the
status of instantiation of a class, an object of Object class and a variable of
the same class with initial value as null..............
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answer
Latest answer: The Reactor pattern is an architectural pattern
that allows demultiplexing of event-driven applications and dispatch service
requests which are delivered by one or more application clients to an
application.............
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Latest answer: Methods, best practices, techniques for
developing an Object-Oriented software comprises a process
pattern................
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Latest answer: Repeatable techniques which are utilized by
people of different teams for helping them work together. The really have
nothing to do with object-oriented development.................
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Latest answer: Session Façade is one of the design pattern. It
is utilized in developing enterprise applications frequently..................
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Latest answer: A design pattern which obviously appears, but is
an ineffective or far from optimal in practice. There must be atleast two key
elements...............
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Latest answer: The following are the major points for
describing a pattern. Short and meaningful name for the pattern is to be
selected. Problem description and goals and constraints that may occur in that
context is to be identified....................
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