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Q:

 Which of the following describes the Composite pattern correctly?

A - This pattern builds a complex object using simple objects and using a step by step approach.

B - This pattern is used where we need to treat a group of objects in similar way as a single object.

C - This pattern hides the complexities of the system and provides an interface to the client using which the client can access the system.

D - This pattern is primarily used to reduce the number of objects created and to decrease memory footprint and increase performance.

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Answer : B

Explanation

Composite pattern is used where we need to treat a group of objects in similar way as a single object.

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