🌐 API REST — Métodos HTTP em Java

Uma API REST (Representational State Transfer) usa métodos HTTP para realizar operações sobre recursos.
Cada método tem um propósito específico 👇

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🚀 Métodos HTTP Principais

Método	Descrição	Operação CRUD	Exemplo Java
GET	🔍 Recupera dados de um recurso.	Read	java\nHttpRequest request = HttpRequest.newBuilder()\n .uri(URI.create("https://api.exemplo.com/usuarios"))\n .GET()\n .build();\n
POST	➕ Cria um novo recurso.	Create	java\nHttpRequest request = HttpRequest.newBuilder()\n .uri(URI.create("https://api.exemplo.com/usuarios"))\n .header("Content-Type", "application/json")\n .POST(HttpRequest.BodyPublishers.ofString("{\"nome\":\"Ana\"}"))\n .build();\n
PUT	🔁 Atualiza completamente um recurso existente.	Update	java\nHttpRequest request = HttpRequest.newBuilder()\n .uri(URI.create("https://api.exemplo.com/usuarios/1"))\n .header("Content-Type", "application/json")\n .PUT(HttpRequest.BodyPublishers.ofString("{\"nome\":\"Ana Maria\"}"))\n .build();\n
PATCH	✏️ Atualiza parcialmente um recurso.	Partial Update	java\nHttpRequest request = HttpRequest.newBuilder()\n .uri(URI.create("https://api.exemplo.com/usuarios/1"))\n .header("Content-Type", "application/json")\n .method("PATCH", HttpRequest.BodyPublishers.ofString("{\"email\":\"ana@email.com\"}"))\n .build();\n
DELETE	❌ Remove um recurso.	Delete	java\nHttpRequest request = HttpRequest.newBuilder()\n .uri(URI.create("https://api.exemplo.com/usuarios/1"))\n .DELETE()\n .build();\n

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⚙️ Enviando a Requisição

HttpClient client = HttpClient.newHttpClient();
HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());

System.out.println("Status: " + response.statusCode());
System.out.println("Body: " + response.body());