Card 4 / 125: What are the pros of a high cohesive class?
A)
you can read easily a high cohesive class and understand its purpose and role in the system
B)
testing and maintaining a high cohesive class will be easier
C)
subtypes of a high cohesive won't need to override most of the methods
D)
other classes, which use a high cohesive class,don't need to know the implementation details of this class
E)
small high cohesive classes can be reused by other modules without the need to overhead these modules with extra unrelated functions
Answer:
A) you can read easily a high cohesive class and understand its purpose and role in the system
B) testing and maintaining a high cohesive class will be easier
E) small high cohesive classes can be reused by other modules without the need to overhead these modules with extra unrelated functions
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meaningfully and strongly related and how focused they are in providing a well-defined purpose to the system.
A class is identified as a low cohesive class, when it contains many unrelated functions within it. And that what we need to avoid, because big classes with unrelated functions hamper their maintaining.
The answer : "subtypes of a high cohesive won't need to override most of the methods" , has nothing to do with high cohesion.
The answer: "other classes, which use a high cohesive class,won't need to know the implementation details of this class", has more relation with encapsulation than high cohesion.
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JavaChamp TeamSenior Java Developer
QuizOver.com
Germany
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