31 → REST APIs

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▶️ pkg12restapi/restapi1RestConcepts.java · restapi5HttpClientConsume.java

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REST principles

Concept	Rule
Resource	Noun in URL: /users/42
HTTP verb	GET read, POST create, PUT replace, PATCH update, DELETE remove
Status codes	200 OK, 201 Created, 400 Bad Request, 404 Not Found, 500 Server Error
Stateless	Each request carries all context (no server session)

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Build + consume

This package shows:

1. REST design concepts
2. Minimal HTTP server (HttpServer)
3. JSON handling
4. Client consumption with HttpClient

Milestone project: File config · JDBC database · REST endpoint · call with HttpClient — scaffolded as Project 03 Todo REST.

Related → RestApis.md

Related → 15 Spring Boot

Next → 32 Standard Libraries