
Go Web Frameworks
Gin, Echo, Fiber, Chi, routing, middleware, validation, error handling, best practices
1What primarily distinguishes Gin from other Go web frameworks?
What primarily distinguishes Gin from other Go web frameworks?
Answer
Gin is known for its high performance through its radix tree-based router with zero allocation. It offers a Martini-like API but with up to 40x better performance. Gin also includes built-in JSON validation and robust middleware handling, making it a popular choice for high-performance REST APIs.
2In Gin, how to extract a dynamic route parameter /users/:id?
In Gin, how to extract a dynamic route parameter /users/:id?
Answer
Gin uses c.Param to extract dynamic route parameters defined with colons. The syntax is simple and straightforward: the parameter name exactly matches the one defined in the route. This method returns a string that must then be converted if needed to the desired type.
3What is the main advantage of Fiber over Gin and Echo?
What is the main advantage of Fiber over Gin and Echo?
Answer
Fiber is built on Fasthttp instead of standard net/http, which allows it to achieve exceptional performance with a reduced memory footprint. It offers an Express.js-inspired API, familiar to Node.js developers. However, this approach means it's not compatible with standard net/http middleware and requires its own specific middleware.
How to implement middleware in Gin that executes before all handlers?
In Echo, what is the difference between echo.GET and echo.Group?
+17 interview questions
Other Go interview topics
Go Basics
Go Data Structures
Go Interfaces
Error Handling
Goroutines Basics
Channels
Go Modules
HTTP Server
HTTP Client
JSON Encoding
database/sql
Context Package
Testing
Concurrency Patterns
Sync Primitives
REST API Design
gRPC
Reflection
Memory Management
Performance Optimization
Generics
Go Design Patterns
Microservices
Security & Authentication
Docker & Containerization
Kubernetes Basics
Advanced Go
CLI Development
Master Go for your next interview
Access all questions, flashcards, technical tests, code review exercises and interview simulators.
Start for free