Principle & Design Patterns

Tamoyillar va Dizayn Patternlar

Savollarga javob berish

• 1. What are Design Principles? Why we need them?
• 2. What Design Principles you know?
• 3. Explain the following:
• 3.1 Program to an Interface, not an Implementation
• 3.2 Encapsulate What Varies (application-, class- and method-level)
• 3.3 Favor Composition Over Inheritance
• 4. How practically you used above-mentioned principles in your projects?

• SPR nima?
• 1. Create UserManagment.Console
• 2. It offers 2 features:
• 2.1 Add credential (username, password) -> file

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  2.2 Login Here are some of the criteria:
• 1. There should be at least 2 branches
• 2. The repo should be well-documented (headings, gifs, etc.)
• 3. Exception handling required
• 4. Validation required
• 5. Exception handling and validation are only allowed in services.
• 6. Retry logic for console required
• 7. Pair-programming recommended

• O/C tamoyili nima?
• 

• O/C tamoyili nima?

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• Portfolio Project

  Name: e-shop (EShop) FEATURES:
• 1. Auth (file storage)
• 1.1 Login
• 1.2 Create credentials
• 2. Show products
• 2.1 Products (memory storage) - (id, price, weight)
• 2.2 AddToCart
• 3. Show shipping method
• 3.2 Air, Sea, Ground
• 4. Show total price
• 4.1 Show line items + shipping details

• LSP tamoyili nima?

• ISP tamoyili nima?

• 

• DIP tamoyili nima?

• 

• 1. What types of Design Patters are there?
• 2. What is Design Pattern?
• 3. What is Factory method?

• Event-driven arxitektura nima?

• Singleton nima?
• Undan nima maqsadda foydalanamiz?
• Amaliy loyiha

• What is Dependency Inversion?
• What is Inversion of Control?
• What is Dependency Injection?
• What is IoC Container?

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📌Uy ishi

• Nazariy:
• 1.What is Dependency Inversion?
• 2.What is Inversion of Control?
• 3.What is Dependency Injection?
• 4.What is IoC Container?

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• Amaliy:
• 1. FileDb loyhasiga JSON file bilan ishlash imkonini qo'shing.
• 2. Foydalanuvchi dasturni ishlatganda .json yoki .txt file bilan ishlashi mumkin bo'lsin(yani tanlash imkoni bo'lishi kerak).
• 3. Loyha har bir kishining GitHub repository asida bo'lishi kerak.

• Amaliy loyiha №1
• File Reader Read file names inside particular directory. Directory might have inner directories. File Calculator Calculate total of files in a particular directory

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• 
• Balance:
• 1. Hisobizda hamma pul yechib olinsa va hisob 0 ga tushsa, xabar berilsin (Email Service)
• 2. Hisobda pul yetmasa, qizil yozuv bilan xabar berilsin (Error Service)
• 3. Hisobdan shunchaki pul yechilsa, yashil bilan ma'lumot xabar berilsin (Info Service)
• Uchchala holat uchun alohida alohida classlar qiziqish bildirsin.