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ROADMAP C#¤

GIAI ĐOẠN 1: NỀN TẢNG CƠ BẢN (2-3 tháng)¤

Khởi đầu¤

  • Cài đặt .NET SDK
  • Visual Studio, Visual Studio Code, Rider
  • .NET Framework vs .NET Core vs .NET ⅚/⅞
  • Tạo project đầu tiên
  • Console Application
  • Solution và Project structure
  • Build và Run
  • Debugging basics
  • NuGet Package Manager

Cú pháp cơ bản¤

  • Namespace declaration
  • Using directives
  • Main method
  • Top-level statements (C# 9+)
  • Comments: single-line, multi-line, XML documentation
  • Code conventions
  • Semicolons
  • Case sensitivity

Kiểu dữ liệu¤

  • Value types vs Reference types
  • Integers: byte, sbyte, short, ushort, int, uint, long, ulong
  • Floating point: float, double, decimal
  • Boolean: bool
  • Character: char
  • String: string
  • Object type
  • Dynamic type
  • Nullable types: int?, bool?
  • var keyword
  • Default values
  • Type casting và conversion

Biến và Constants¤

  • Variable declaration
  • Initialization
  • Constants với const
  • Readonly fields
  • Const vs readonly
  • Implicit typing với var
  • Variable scope
  • Static variables

Operators¤

  • Arithmetic operators
  • Comparison operators
  • Logical operators: &&, ||, !
  • Bitwise operators: &, |, ^, ~, <<, >>
  • Assignment operators
  • Null-coalescing: ??, ??=
  • Conditional operator: ?:
  • Increment/decrement: ++, --
  • Type testing: is, as
  • Operator precedence

String Operations¤

  • String concatenation
  • String interpolation: $"Hello {name}"
  • Verbatim strings: @""
  • Raw string literals (C# 11+)
  • String methods: Substring, Replace, Split, Join, Trim
  • StringBuilder for efficiency
  • String comparison
  • String formatting
  • Escape sequences

Cấu trúc điều khiển¤

If Statements¤

  • if, else if, else
  • Nested if statements
  • Pattern matching trong if (C# 7+)

Switch Statements¤

  • Traditional switch
  • Switch expressions (C# 8+)
  • Pattern matching trong switch
  • when clauses
  • Discard pattern: _

Loops¤

  • for loops
  • while loops
  • do-while loops
  • foreach loops
  • Break và continue
  • Nested loops
  • goto statement (tránh dùng)

Arrays¤

  • Single-dimensional arrays
  • Multi-dimensional arrays
  • Jagged arrays
  • Array initialization
  • Array methods: Sort, Reverse, IndexOf
  • Array.Length property
  • Iterating arrays

Collections Basics¤

  • List
  • Dictionary
  • Queue
  • Stack
  • HashSet
  • Collection initializers
  • Index và Range operators (C# 8+)

Methods¤

  • Method declaration
  • Parameters: value, ref, out, in
  • Return values
  • Method overloading
  • Optional parameters
  • Named arguments
  • Expression-bodied members
  • Local functions (C# 7+)
  • Recursion

Exception Handling¤

  • try-catch-finally
  • throw statement
  • Exception hierarchy
  • Common exceptions
  • Custom exceptions
  • Exception filters (C# 6+)
  • when clause trong catch
  • Best practices

Namespaces¤

  • Declaring namespaces
  • Using directive
  • Nested namespaces
  • Global using directives (C# 10+)
  • File-scoped namespaces (C# 10+)
  • Aliases

GIAI ĐOẠN 2: OBJECT-ORIENTED PROGRAMMING (3-4 tháng)¤

Classes và Objects¤

  • Class definition
  • Fields
  • Properties: get, set
  • Auto-implemented properties
  • Property initializers
  • Init-only properties (C# 9+)
  • Constructors
  • Constructor chaining
  • Destructors/Finalizers
  • this keyword
  • static members
  • static constructors
  • Constants và readonly fields
  • Object initializers

Encapsulation¤

  • Access modifiers: public, private, protected, internal, protected internal, private protected
  • Properties vs fields
  • Data hiding
  • Getters và setters

Inheritance¤

  • Base classes và derived classes
  • : syntax for inheritance
  • base keyword
  • Method overriding: virtual, override
  • Sealed classes và methods
  • Abstract classes và methods
  • Constructor inheritance
  • Object class
  • Type checking: is, as operators
  • Type casting

Polymorphism¤

  • Method overloading (compile-time)
  • Method overriding (runtime)
  • Virtual methods
  • Abstract methods
  • Interface polymorphism
  • Covariance và contravariance

Interfaces¤

  • Interface definition
  • Implementing interfaces
  • Explicit interface implementation
  • Multiple interface inheritance
  • Default interface methods (C# 8+)
  • Interface properties
  • Interface events
  • Common interfaces: IEnumerable, IComparable, IDisposable, IEquatable

Abstraction¤

  • Abstract classes
  • Interfaces
  • Abstract methods
  • When to use abstract vs interface

Structs¤

  • Struct definition
  • Value type behavior
  • Struct constructors
  • Readonly structs
  • Ref structs (C# 7.2+)
  • Record structs (C# 10+)
  • Struct vs class

Enums¤

  • Enum declaration
  • Underlying types
  • Enum methods
  • Flags enums
  • [Flags] attribute
  • Enum parsing

Operator Overloading¤

  • Overloadable operators
  • Operator methods
  • Conversion operators: implicit, explicit
  • User-defined conversions

Indexers¤

  • Indexer syntax
  • this[] notation
  • Multiple indexers
  • Indexer access modifiers

Events¤

  • Event declaration
  • EventHandler delegate
  • Event subscription: +=, -=
  • Raising events
  • Custom event accessors
  • Event patterns

Delegates¤

  • Delegate declaration
  • Delegate instantiation
  • Multicast delegates
  • Anonymous methods
  • Func và Action
  • Predicate
  • Delegate combination

Lambda Expressions¤

  • Lambda syntax: =>
  • Expression lambdas
  • Statement lambdas
  • Lambda với multiple parameters
  • Captured variables (closures)
  • Lambda trong LINQ

GIAI ĐOẠN 3: NÂNG CAO (4-5 tháng)¤

Generics¤

  • Generic classes
  • Generic methods
  • Generic interfaces
  • Generic delegates
  • Type constraints: where
  • Multiple type parameters
  • Generic constraints: class, struct, new(), base class, interface
  • Covariance: out keyword
  • Contravariance: in keyword
  • Default generic values

Collections Advanced¤

  • System.Collections.Generic
  • IEnumerable, ICollection, IList
  • LinkedList
  • SortedList, SortedDictionary
  • SortedSet
  • ConcurrentBag, ConcurrentQueue, ConcurrentStack
  • ConcurrentDictionary
  • BlockingCollection
  • ImmutableList, ImmutableDictionary
  • Collection interfaces
  • Custom collections

LINQ (Language Integrated Query)¤

  • Query syntax
  • Method syntax
  • Deferred execution
  • Immediate execution: ToList(), ToArray()
  • Standard query operators
  • Filtering: Where
  • Projection: Select, SelectMany
  • Ordering: OrderBy, OrderByDescending, ThenBy
  • Grouping: GroupBy
  • Joining: Join, GroupJoin
  • Aggregation: Sum, Count, Average, Min, Max
  • Set operations: Distinct, Union, Intersect, Except
  • Element operations: First, Last, Single, ElementAt
  • Quantifiers: All, Any, Contains
  • Partitioning: Take, Skip, TakeWhile, SkipWhile
  • LINQ to Objects
  • LINQ to SQL (legacy)
  • LINQ to XML
  • LINQ to Entities (Entity Framework)
  • Custom LINQ operators
  • Expression trees

Asynchronous Programming¤

  • async và await keywords
  • Task và Task
  • Async methods
  • Async return types
  • ConfigureAwait()
  • Task.Run()
  • Task.WhenAll(), Task.WhenAny()
  • CancellationToken
  • IAsyncEnumerable (C# 8+)
  • await foreach
  • Async streams
  • ValueTask
  • Asynchronous patterns
  • Exception handling trong async

Multithreading¤

  • Thread class
  • ThreadPool
  • Thread synchronization
  • lock statement
  • Monitor class
  • Mutex, Semaphore
  • ReaderWriterLockSlim
  • Interlocked operations
  • volatile keyword
  • Thread-local storage
  • Parallel class
  • Parallel.For, Parallel.ForEach
  • PLINQ (Parallel LINQ)
  • Task Parallel Library (TPL)
  • Concurrent collections
  • Thread safety

File I/O¤

  • File class: ReadAllText, WriteAllText
  • FileInfo class
  • Directory class
  • DirectoryInfo class
  • Path class
  • StreamReader và StreamWriter
  • FileStream
  • BinaryReader và BinaryWriter
  • Memory-mapped files
  • Asynchronous file operations
  • File permissions

Serialization¤

  • JSON serialization: System.Text.Json
  • Newtonsoft.Json (Json.NET)
  • XML serialization
  • Binary serialization (obsolete)
  • Custom serialization
  • [JsonIgnore], [JsonPropertyName]
  • Serialization attributes

Reflection¤

  • Type class
  • Assembly class
  • Getting type information
  • Creating instances dynamically
  • Invoking members
  • Attributes
  • Custom attributes
  • Attribute targets
  • Reading attributes
  • Late binding
  • Performance considerations

Attributes¤

  • Built-in attributes: [Obsolete], [Serializable], [DllImport]
  • Custom attributes
  • AttributeUsage
  • Attribute parameters
  • Named parameters
  • Reflection với attributes

Dynamic Programming¤

  • dynamic type
  • DynamicObject class
  • ExpandoObject
  • Dynamic Language Runtime (DLR)
  • Late binding
  • COM interop với dynamic

Expression Trees¤

  • Expression type
  • Building expression trees
  • Compiling expressions
  • Expression tree visitors
  • LINQ query expression trees
  • Dynamic query building

Nullable Reference Types (C# 8+)¤

  • Enabling nullable context
  • Nullable annotations: ?
  • Null-forgiving operator: !
  • Nullable warnings
  • [NotNull], [MaybeNull] attributes
  • Nullable analysis

Pattern Matching (C# 7-11)¤

  • Type patterns
  • Constant patterns
  • Var patterns
  • Discard patterns
  • Property patterns
  • Positional patterns
  • Relational patterns
  • Logical patterns: and, or, not
  • List patterns (C# 11+)
  • Switch expressions
  • Pattern matching trong if statements

Records (C# 9+)¤

  • Record declaration
  • Positional records
  • With expressions
  • Value equality
  • Deconstruction
  • Record inheritance
  • Record structs

Init-only Properties (C# 9+)¤

  • init accessor
  • Immutable objects
  • Object initializers với init

Target-typed New (C# 9+)¤

  • new() expressions
  • Simplified object creation

GIAI ĐOẠN 4: .NET ECOSYSTEM (4-6 tháng)¤

ASP.NET Core Basics¤

  • MVC pattern
  • Middleware pipeline
  • Dependency injection
  • Configuration
  • Logging
  • Environment variables
  • appsettings.json
  • Startup class (legacy)
  • Program.cs minimal hosting

ASP.NET Core MVC¤

  • Controllers
  • Actions
  • Views: Razor syntax
  • Models
  • Model binding
  • Model validation
  • ViewModels
  • Partial views
  • Layout pages
  • Razor Pages
  • Tag Helpers
  • View Components
  • Areas
  • Routing
  • Filters: Action, Result, Exception, Resource, Authorization
  • Model state
  • TempData, ViewData, ViewBag

ASP.NET Core Web API¤

  • API Controllers
  • RESTful principles
  • HTTP verbs: GET, POST, PUT, DELETE, PATCH
  • Action results
  • Status codes
  • Content negotiation
  • API versioning
  • Swagger/OpenAPI
  • Model validation
  • Custom model binders
  • Formatters
  • CORS
  • Rate limiting
  • API security

Entity Framework Core¤

  • DbContext
  • DbSet
  • Code First approach
  • Database First approach
  • Migrations
  • Model configuration: Fluent API
  • Data annotations
  • Relationships: one-to-one, one-to-many, many-to-many
  • Navigation properties
  • Lazy loading
  • Eager loading: Include
  • Explicit loading
  • Change tracking
  • CRUD operations
  • LINQ queries
  • Raw SQL queries
  • Stored procedures
  • Transactions
  • Connection resiliency
  • Query filters
  • Shadow properties
  • Owned types

Blazor¤

  • Blazor Server
  • Blazor WebAssembly
  • Blazor Hybrid
  • Components
  • Razor component syntax
  • Data binding
  • Event handling
  • Component lifecycle
  • Parameters
  • Cascading parameters
  • Forms và validation
  • JavaScript interop
  • Routing
  • State management

SignalR¤

  • Real-time communication
  • Hubs
  • Clients
  • Groups
  • Broadcasting
  • Connection management
  • Transports: WebSockets, Server-Sent Events, Long Polling
  • Authentication
  • Scaling với Redis

ASP.NET Core Identity¤

  • User management
  • Authentication
  • Authorization
  • Password hashing
  • Claims
  • Policies
  • Roles
  • External authentication: Google, Facebook, Microsoft
  • Two-factor authentication
  • JWT tokens
  • Cookie authentication
  • Identity Server
  • OAuth 2.0
  • OpenID Connect

Testing¤

Unit Testing¤

  • xUnit
  • NUnit
  • MSTest
  • Test methods
  • Assert methods
  • Fact và Theory attributes
  • Test fixtures
  • Test setup và cleanup

Mocking¤

  • Moq framework
  • NSubstitute
  • FakeItEasy
  • Creating mocks
  • Verifying calls
  • Setup return values
  • Argument matching

Integration Testing¤

  • WebApplicationFactory
  • Test server
  • Testing APIs
  • Database testing
  • In-memory databases

UI Testing¤

  • Selenium
  • Playwright
  • Specflow (BDD)

Dependency Injection¤

  • IServiceCollection
  • Service lifetimes: Singleton, Scoped, Transient
  • Constructor injection
  • Service location anti-pattern
  • Named services
  • Factory patterns
  • IServiceProvider
  • Service descriptors
  • Third-party containers: Autofac, Ninject

Logging và Monitoring¤

  • ILogger interface
  • Log levels
  • Log categories
  • Structured logging
  • Serilog
  • NLog
  • Application Insights
  • Logging providers
  • Logging configuration
  • Log filtering

Configuration Management¤

  • IConfiguration interface
  • appsettings.json
  • Environment-specific settings
  • User secrets
  • Azure Key Vault
  • Options pattern
  • IOptions
  • IOptionsSnapshot
  • IOptionsMonitor
  • Configuration validation

GIAI ĐOẠN 5: ADVANCED .NET (4-6 tháng)¤

Performance Optimization¤

  • Benchmarking: BenchmarkDotNet
  • Memory allocation optimization
  • Span và Memory
  • ArrayPool
  • Object pooling
  • String interning
  • StringBuilder optimization
  • Lazy initialization: Lazy
  • Value types optimization
  • Struct best practices
  • Avoiding boxing
  • SIMD với System.Numerics
  • Hardware intrinsics

Memory Management¤

  • Stack vs Heap
  • Garbage collection
  • GC generations
  • Large Object Heap (LOH)
  • GC modes: Workstation vs Server
  • Finalization
  • IDisposable pattern
  • using statement
  • Using declarations (C# 8+)
  • WeakReference
  • Memory leaks detection
  • Memory profiling tools
  • PerfView
  • dotMemory

Microservices¤

  • Microservices architecture
  • Service communication
  • API Gateway pattern
  • Service discovery: Consul
  • Dapr framework
  • Circuit breaker: Polly
  • Health checks
  • Distributed transactions
  • Saga pattern
  • Event-driven architecture
  • Message brokers: RabbitMQ, Kafka
  • Docker containerization
  • Kubernetes orchestration

gRPC¤

  • Protocol Buffers
  • .proto files
  • Service definitions
  • Unary calls
  • Server streaming
  • Client streaming
  • Bidirectional streaming
  • Interceptors
  • Deadlines và cancellation
  • Error handling
  • Authentication

Message Queues¤

  • RabbitMQ với MassTransit
  • Azure Service Bus
  • Amazon SQS
  • Kafka với Confluent.Kafka
  • Publishing messages
  • Consuming messages
  • Message routing
  • Dead letter queues
  • Retry policies

Caching¤

  • In-memory caching: IMemoryCache
  • Distributed caching: IDistributedCache
  • Redis caching: StackExchange.Redis
  • Cache invalidation strategies
  • Cache-aside pattern
  • Output caching
  • Response caching
  • Cache dependencies

Background Services¤

  • IHostedService
  • BackgroundService
  • Hangfire for job scheduling
  • Quartz.NET
  • Worker Services
  • Long-running tasks
  • Graceful shutdown

Security¤

  • OWASP Top 10
  • SQL injection prevention
  • XSS prevention
  • CSRF protection
  • Anti-forgery tokens
  • Content Security Policy
  • HTTPS enforcement
  • Data protection API
  • Encryption: AES, RSA
  • Hashing: SHA256, bcrypt
  • Secure password storage
  • Certificate handling
  • Security headers

Design Patterns¤

  • Creational: Singleton, Factory, Abstract Factory, Builder, Prototype
  • Structural: Adapter, Bridge, Composite, Decorator, Facade, Flyweight, Proxy
  • Behavioral: Chain of Responsibility, Command, Iterator, Mediator, Memento, Observer, State, Strategy, Template Method, Visitor
  • Repository pattern
  • Unit of Work pattern
  • CQRS pattern
  • Event Sourcing
  • Specification pattern

Clean Architecture¤

  • Domain-Driven Design (DDD)
  • Onion architecture
  • Hexagonal architecture
  • SOLID principles
  • Single Responsibility
  • Open/Closed
  • Liskov Substitution
  • Interface Segregation
  • Dependency Inversion
  • Clean Code principles
  • Separation of Concerns

Advanced EF Core¤

  • Global query filters
  • Owned entities
  • Table splitting
  • Query splitting
  • Compiled queries
  • Batch operations: EFCore.BulkExtensions
  • Interceptors
  • Value converters
  • Performance optimization
  • N+1 query problem
  • Database providers
  • In-memory database
  • Cosmos DB provider

SignalR Advanced¤

  • Scaling với Redis backplane
  • Azure SignalR Service
  • Custom protocols
  • Connection lifetime management
  • Hub filters
  • Strongly typed hubs
  • MessagePack protocol

GraphQL¤

  • GraphQL concepts
  • HotChocolate library
  • Schema definition
  • Queries
  • Mutations
  • Subscriptions
  • DataLoader
  • Filtering và sorting
  • Pagination
  • Authorization

WebSockets¤

  • System.Net.WebSockets
  • WebSocket client
  • WebSocket server
  • Message framing
  • Connection management
  • SignalR vs raw WebSockets

GIAI ĐOẠN 6: CHUYÊN MÔN HÓA¤

Desktop Development¤

Windows Forms¤

  • Form design
  • Controls
  • Event handling
  • Data binding
  • Custom controls
  • MDI applications

WPF (Windows Presentation Foundation)¤

  • XAML syntax
  • Layout panels
  • Controls
  • Data binding
  • Commands
  • MVVM pattern
  • Styles và templates
  • Resources
  • Animations
  • Custom controls
  • Dependency properties
  • Routed events
  • Triggers

WinUI 3¤

  • Modern Windows apps
  • Fluent Design System
  • Controls
  • XAML Islands
  • Windows App SDK

MAUI (.NET Multi-platform App UI)¤

  • Cross-platform development
  • Single project structure
  • Platform-specific code
  • XAML layouts
  • Data binding
  • Navigation
  • Shell
  • Handlers
  • iOS, Android, Windows, macOS support

Cloud Development¤

Azure¤

  • Azure App Service
  • Azure Functions (Serverless)
  • Azure SQL Database
  • Cosmos DB
  • Azure Storage: Blobs, Queues, Tables
  • Azure Key Vault
  • Application Insights
  • Azure DevOps
  • Azure AD authentication
  • Azure Service Bus
  • Azure Event Hubs
  • Azure CDN
  • ARM templates
  • Bicep

AWS¤

  • AWS Lambda với .NET
  • S3 storage
  • RDS databases
  • DynamoDB
  • CloudWatch
  • AWS SDK for .NET
  • Elastic Beanstalk
  • API Gateway

Game Development¤

Unity với C¤

  • Game objects
  • Components
  • Scripting
  • Physics
  • Animation
  • UI system
  • Coroutines
  • ScriptableObjects
  • Prefabs
  • Asset management

Machine Learning¤

ML.NET¤

  • Model training
  • Model evaluation
  • Predictions
  • AutoML
  • Classification
  • Regression
  • Clustering
  • Anomaly detection
  • Image classification
  • ONNX integration

IoT Development¤

  • .NET IoT libraries
  • GPIO programming
  • Sensor integration
  • Raspberry Pi programming
  • Azure IoT Hub
  • IoT Edge

Cross-Platform Development¤

  • .NET MAUI
  • Xamarin.Forms (legacy)
  • Avalonia UI
  • Uno Platform
  • Blazor Hybrid

GIAI ĐOẠN 7: MASTERY (liên tục)¤

C# Language Features Deep Dive¤

  • C# 7: Tuples, pattern matching, local functions, ref returns
  • C# 8: Nullable reference types, async streams, default interface methods, indices and ranges
  • C# 9: Records, init-only properties, top-level statements, target-typed new
  • C# 10: Global usings, file-scoped namespaces, record structs, improved interpolation
  • C# 11: Raw string literals, list patterns, required members, generic attributes
  • C# 12: Primary constructors, collection expressions, inline arrays

CLR Internals¤

  • Common Language Runtime
  • Just-In-Time compilation
  • Native Image Generator (NGEN)
  • IL (Intermediate Language)
  • Assembly structure
  • Assembly loading
  • AppDomains (legacy)
  • AssemblyLoadContext
  • Type system
  • Value types vs reference types internals
  • Boxing và unboxing internals

Advanced Debugging¤

  • Visual Studio debugger
  • Breakpoints: conditional, data
  • Watch windows
  • Immediate window
  • Call stack analysis
  • Multithreaded debugging
  • Remote debugging
  • Dump file analysis
  • WinDbg
  • dotnet-dump
  • dotnet-trace
  • Performance profiling

Source Generators (C# 9+)¤

  • Creating source generators
  • ISourceGenerator interface
  • IIncrementalGenerator (C# 10+)
  • Roslyn APIs
  • Syntax trees
  • Semantic models
  • Code generation scenarios
  • Performance considerations

Roslyn Compiler Platform¤

  • Syntax API
  • Semantic API
  • Code analysis
  • Code fixes
  • Analyzers
  • Creating custom analyzers
  • Testing analyzers
  • NuGet packaging

Advanced Tooling¤

  • dotnet CLI
  • MSBuild
  • NuGet advanced features
  • EditorConfig
  • Code style enforcement
  • StyleCop analyzers
  • Roslynator
  • Sonar analyzers

CI/CD¤

  • Azure Pipelines
  • GitHub Actions
  • GitLab CI
  • Jenkins với .NET
  • Build automation
  • Test automation
  • Deployment strategies
  • Blue-green deployment
  • Canary releases
  • Feature flags

Code Quality¤

  • Static code analysis
  • Code metrics
  • Cyclomatic complexity
  • Code coverage tools
  • SonarQube
  • Code reviews
  • Refactoring techniques
  • Technical debt management

Documentation¤

  • XML documentation comments
  • DocFX
  • API documentation
  • README best practices
  • Architecture documentation
  • Wiki maintenance

Open Source Contribution¤

  • Contributing to .NET runtime
  • .NET Foundation projects
  • Creating NuGet packages
  • OSS licensing
  • Community guidelines

Staying Current¤

  • .NET Blog
  • C# language proposals
  • .NET Community Standup
  • Channel 9 videos
  • Microsoft Learn
  • Pluralsight courses
  • .NET Conf
  • Local .NET meetups
  • Twitter .NET community
  • Reddit r/dotnet, r/csharp
  • Stack Overflow
  • GitHub discussions

Best Practices¤

  • Coding standards
  • Naming conventions
  • SOLID principles application
  • DRY, KISS, YAGNI
  • Exception handling best practices
  • Async best practices
  • Resource disposal patterns
  • Performance best practices
  • Security best practices

Books to Read¤

  • C# in Depth - Jon Skeet
  • CLR via C# - Jeffrey Richter
  • Pro C# 10 với .NET 6 - Andrew Troelsen
  • Clean Code - Robert C. Martin
  • Design Patterns - Gang of Four
  • Domain-Driven Design - Eric Evans
  • Concurrency in C# Cookbook - Stephen Cleary

LỘ TRÌNH HỌC TẬP ĐỀ XUẤT¤

Tháng 1-3: Giai đoạn 1 - Cú pháp cơ bản, types, control flow

Tháng 4-7: Giai đoạn 2 - OOP principles, classes, inheritance, interfaces

Tháng 8-12: Giai đoạn 3 - Generics, LINQ, async, collections advanced

Tháng 13-18: Giai đoạn 4 - ASP.NET Core, EF Core, Web APIs

Tháng 19-24: Giai đoạn 5 - Performance, microservices, advanced patterns

Tháng 25+: Giai đoạn 6-7 - Chuyên môn hóa theo career path

TIPS ĐỂ MASTER C¤

  • Thực hành code mỗi ngày
  • Đọc official documentation kỹ
  • Xây dựng projects thực tế
  • Tham gia .NET community
  • Contribute to open source
  • Follow C# language evolution
  • Master async/await patterns
  • Understand SOLID principles deeply
  • Learn design patterns trong context
  • Practice TDD/BDD
  • Profile và optimize code
  • Stay updated với .NET releases
  • Watch Channel 9 videos
  • Attend .NET Conf
  • Read source code của popular libraries
  • Use ReSharper hoặc Rider
  • Master Visual Studio shortcuts
  • Learn debugging techniques
  • Understand CLR internals
  • Practice code reviews
  • Write clean, readable code
  • Document your code well
  • Test your code thoroughly
  • Understand when to use which pattern
  • Keep learning new technologies
  • Teach others what you learn
  • Build a portfolio
  • Network với developers

Chúc bạn thành công trên con đường master C#!