Question: URGENT! COMPUTER SCIENCE QUESTION A- Explain what a design pattern is. Why do we need to know design patterns? Explain. B-Discuss about compartments of class

URGENT! COMPUTER SCIENCE QUESTION

A- Explain what a design pattern is. Why do we need to know design patterns? Explain.

B-Discuss about compartments of class diagrams. What is the purpose of each compartment? How do we indicate private, public and such access specifiers in class diagrams? Explain.

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