Reflection API in Java

📘 Java 👁 31 views 📅 Dec 01, 2025

⏱ Estimated reading time: 1 min

Reflection enables Java programs to examine their own structure at runtime. Using the Class class, developers can access fields, methods, constructors, and annotations dynamically. This capability underlies frameworks, dependency injection, serialization tools, and ORMs. Reflection is extremely powerful but should be used carefully. It bypasses normal access controls and may reduce performance. Despite these concerns, reflection remains essential for building modern Java tooling.

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