Give me example of observer design pattern?
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Is singleton scope thread safe?
What are the differences between the design patterns and the framework?
Which design patterns have you used in your project ?
when performing a functional test on a phone calculator,if pressing on a button does not function what do i do next
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?
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What non-visual coding tools are available for web design?
What is design pattern ?
What is singleton and factory pattern?
What is the singleton design pattern?
Why singleton beans are not thread safe?
Are singletons bad?
What is singleton design pattern in java?