• Introduction
• Source File Basics
• File encoding: UTF-8
• Indentation
• Source file structure
• License
• Import statements
• Java source file organization
• Formatting
• Braces
• Block-like constructs: K&R style
• Line wrapping
• Blank Lines
• Class declaration
• Naming
• Constant names
• Variable names
• Programming Practices
• File history
• Organization of setter methods
• Ternary Operator
• Null Checks
• Null Safety of APIs and fields
• Use of @Override
• Use of @since
• Utility classes
• Field and method references
• Local variable type inference
• Javadoc
• Javadoc formatting
• Tests
• Testing Framework
• Naming
• Assertions
• Mocking