What is singleton and factory pattern?
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What design pattern wrapper classes implement?
Give me example of observer design pattern?
What is the difference between builder and composite?
what is cascading order?
Shall we use abstract classes or interfaces in policy / strategy design pattern?
What are useful tools for developing and testing color schemes for web sites?
5.Develop an entity relationships diagram that identifies physical entity relationships.
What is the difference between factory and builder design pattern?
What is the concurrency design pattern?
What are the main types of concurrency design patterns?
Which design patterns have you used in your project ?
What are the categories in which the design patterns can be divided?