Java Interview Guide : 200+ Interview Questions and Answers - What is Cohesion?

The video discusses the concept of cohesion in software design, emphasizing the importance of having highly cohesive classes where responsibilities are closely related. An example of a class with low cohesion is analyzed, highlighting its multiple unrelated responsibilities. The video then proposes a solution by dividing responsibilities into separate classes, each handling a specific task, such as downloading, parsing, and storing data. This approach leads to better cohesion and more maintainable code. The video concludes by discussing how organizing classes in this manner results in highly cohesive applications.

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