Comprehensive guides and tutorials for Java and Spring Framework developers. Browse by category or explore recent articles.
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Spring Framework Articles - RestClient, JdbcClient, Testing, and more
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Core Java Articles - Records, Streams, Modern Java features
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AI Articles - Prompt engineering, machine learning techniques
Recent Articles
Prompt Engineering with Claude: Tutorial Summary
A comprehensive summary of key lessons from the Anthropic prompt engineering interactive tutorial. Learn effective techniques for working with Claude using the Messages API, including clear prompting, role assignment, XML tags, few-shot learning, and avoiding hallucinations.
Topics: Basic prompt structure, clear instructions, role prompting, XML tags, output formatting, step-by-step thinking
Category: AI • Date: 2025-10-09
Spring RestClient: A Modern Approach to HTTP Communication
Spring Framework 6.1 introduced RestClient, a modern and fluent API for synchronous HTTP communication. This comprehensive guide covers everything from basic requests to advanced features like declarative HTTP interfaces.
Topics: HTTP methods, authentication, error handling, HTTP interfaces, interceptors
Category: Spring Framework • Date: 2025-10-11
Spring JdbcClient: A Modern Approach to Database Access
Spring Framework 6.1 introduced JdbcClient, a modern and fluent API for database access. Learn everything from basic queries to advanced features, and how to transition from JdbcTemplate.
Topics: Basic operations, parameter binding, batch updates, custom row mapping, transaction management
Category: Spring Framework • Date: 2025-10-09
Complete Guide to Spring Boot Testing
Testing is crucial for building reliable Spring Boot applications. This comprehensive guide covers unit tests, integration tests, controller testing, repository testing, and best practices.
Topics: Unit testing, @WebMvcTest, @DataJpaTest, Testcontainers, mocking, test fixtures
Category: Spring Framework