vivo Internet Technology

Jan 11, 2023 · Backend Development

Understanding the Delegation Pattern Through SLF4J, JDBC, and Dubbo Case Studies

The article explains how the delegation pattern—combining a fixed core processing path with extensible open interfaces—underpins Java toolkits such as SLF4J, JDBC, and Dubbo, illustrating its implementation steps, when to apply it, and pitfalls like reverse delegation loops.