Give me example of observer design pattern?


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More Design Patterns Interview Questions

Is singleton scope thread safe?

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What are the differences between the design patterns and the framework?

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Which design patterns have you used in your project ?

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when performing a functional test on a phone calculator,if pressing on a button does not function what do i do next

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Why is it important to use systems analysis and design methodologies when building a system? Why not just build the system in whatever way appears to be “quick and easy”? What value is provided by using an “engineering” approach?

1 Answers   DBU, KSV College, Sampson, University of Ibadan,






What non-visual coding tools are available for web design?

0 Answers   Wipro,


What is design pattern ?

4 Answers   Accenture,


What is singleton and factory pattern?

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What is the singleton design pattern?

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Why singleton beans are not thread safe?

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Are singletons bad?

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What is singleton design pattern in java?

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