JSON

Course Scope

This section is a focused JSON curriculum covering data-interchange fundamentals, schema design, CLI tooling, and multi-language integration. Lessons emphasize correct syntax semantics, production-safe patterns, and repeatable workflows.

Prerequisites

• A text editor or IDE with JSON syntax highlighting
• Basic familiarity with at least one programming language (Python, JS, Go, etc.)
• curl and jq installed for API and CLI exercises

How To Use This Course

Each lesson is structured the same way:

• Concept overview (what / why / where it fits)
• Syntax rules and safe patterns
• Step-by-step examples with realistic data
• Common mistakes and troubleshooting
• Hands-on practice and quick reference

Modules

• 1. Introduction to JSON
• 2. JSON Data Types
• 3. JSON Schema & Validation
• 4. Querying with JSONPath
• 5. jq — CLI JSON Processor
• 6. JSON in Programming Languages
• 7. JSON in Web APIs
• 8. JSON in Databases
• 9. Configuration Files & JSONC
• 10. Advanced JSON Formats
• 11. Best Practices & Troubleshooting

Recommended Usage

Learning Order

Complete modules in numeric order. Validate every example with a real tool (browser DevTools, jq, or your language REPL) before moving on.

Notes

• All examples follow RFC 8259 (the definitive JSON specification).
• Language examples target Python 3.10+, Node.js 18+, and Go 1.21+.

What's Next

• Start with 1. Introduction to JSON.