Skills Development Java Javadoc Best Practices Guide

Java Javadoc Best Practices Guide

v20260410
java-docs
This guide outlines comprehensive best practices for documenting Java code using Javadoc comments. It covers how to properly document public, protected, package-private, and private members, along with the correct usage of various tags like @param, @return, @throws, @see, and specialized syntax for code snippets and versioning. Following these standards ensures API documentation is accurate, maintainable, and adheres to professional Java development norms.
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Overview

Java Documentation (Javadoc) Best Practices

  • Public and protected members should be documented with Javadoc comments.
  • It is encouraged to document package-private and private members as well, especially if they are complex or not self-explanatory.
  • The first sentence of the Javadoc comment is the summary description. It should be a concise overview of what the method does and end with a period.
  • Use @param for method parameters. The description starts with a lowercase letter and does not end with a period.
  • Use @return for method return values.
  • Use @throws or @exception to document exceptions thrown by methods.
  • Use @see for references to other types or members.
  • Use {@inheritDoc} to inherit documentation from base classes or interfaces.
    • Unless there is major behavior change, in which case you should document the differences.
  • Use @param <T> for type parameters in generic types or methods.
  • Use {@code} for inline code snippets.
  • Use <pre>{@code ... }</pre> for code blocks.
  • Use @since to indicate when the feature was introduced (e.g., version number).
  • Use @version to specify the version of the member.
  • Use @author to specify the author of the code.
  • Use @deprecated to mark a member as deprecated and provide an alternative.
Info
Category Development
Name java-docs
Version v20260410
Size 1.41KB
Updated At 2026-04-12
Language