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Go lessons (30/34)

Go — JSON

Marshal

type User struct {
    Name string `json:"name"`
    Age  int    `json:"age"`
}

user := User{Name: "Alice", Age: 25}
data, _ := json.Marshal(user)

Unmarshal

var user User
json.Unmarshal(data, &user)

Encoder

encoder := json.NewEncoder(w)
encoder.Encode(data)

Mini Practice

  1. Marshal struct
  2. Unmarshal JSON
  3. Use encoder
  4. Handle nested JSON

Up Next

Continue with Database - Database access.

Related Topics

ConcurrencyHTTPFilesGenerics

Frequently Asked Questions about JSON

What is JSON in Go?

JSON is a fundamental concept in Go. This lesson explains it step by step with clear examples, making it easy for beginners to understand.

How do I learn JSON?

Start by reading the explanation above, then try the code examples. Practice by modifying the examples and experimenting with different values. Hands-on practice is the best way to learn JSON.

Why is JSON important in Go?

JSON is essential for Go development. Understanding this concept will help you write better code and solve real-world problems more effectively.