What is the difference between factory and abstract factory design pattern?
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In which application lifecycle phases is an application architecture produced?
How do you choose a design pattern?
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Is singleton bean thread safe?
i have file(ps),dont know how many records are there. move half of the records to 2 files. how can we do
Is mvc a software design pattern?
What is a lazy initialization in singleton?
Why is singleton used?
What design pattern wrapper classes implement?
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Is mvc is a design pattern?