Consuming a REST API with Java: A Complete Command-Line CRUD Tutorial0

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• January 15, 2026

In this comprehensive tutorial, we’ll learn how to consume a REST API using Java entirely from the command line. We’ll build a complete project covering all CRUD operations using the free JSONPlaceholder API. Let’s dive in! Project Overview Folder Structure Prerequisites Step 1: Project Setup First, create the project structure: Step 2: Download Required Library