Logging in Java

Logging in Java — a practical guide to Java logging with clear examples you can reuse in real projects.

Java Tutorial Series (84/90). Prefer one article? Read the complete Java tutorial.

Short description

Prefer a logging facade (SLF4J) in real projects. Avoid `System.out` for production diagnostics.

java.util.logging

import java.util.logging.Logger;

Logger log = Logger.getLogger("app");
log.info("Server started");