Suppose there is an Online shopping cart application having different objects like Cart, SelectionItem, Billing, COnfiguration, Authentication, Authorization, PersonalDetails etc. Out of this which one can be made a singleton pattern and why?

2 Answers   RBS,

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What is hypertext?

1 Answers  

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What is a website container?

0 Answers  

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What is the need of "creating and throwing an UserdefinedException" when the "Exception" class is already available?

4 Answers  

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where singleton classes are used in j2ee web application.can we use it for connection pooling.

1 Answers  

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What are three types of loops in java?

0 Answers  

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Difference between Array and vector?

9 Answers  

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What is the different types of functions?

0 Answers  

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Why are generics used?

0 Answers  

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Java support what type of parameter passing ?

7 Answers   Wipro,

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How do you allocate memory to object?

0 Answers  

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diff between abstract methods and interfaces with programing (code) example?

2 Answers  

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