FDD is an iterative software development process created by Jeff De Luca in 1997. Initially developed for a 15-month, 50-person project at Singapore bank. Focuses on delivering client-valued functionality repeatedly
Dependency injection enables objects to define their dependencies through constructor arguments. DI provides cleaner code and better decoupling between objects. Spring supports both constructor-based and setter-based dependency injection
Testing verifies app correctness and functionality before public release. Manual testing is slow and prone to overlooking regression. Automated testing provides faster, repeatable feedback. Tests vary by subject (functional, performance, accessibility). Tests differ by scope (unit, end-to-end, medium)
Used by 7 million developers and 400,000+ organizations. Supports deployment on-prem or in cloud environments. Integrates with major DevOps platforms for automated analysis. Provides clear quality gates for preventing build pipeline failures. Offers 6,000+ security rules for multiple programming languages
Syntax errors occur when code doesn't follow correct rules. Indentation errors happen when code blocks are inconsistent. Name errors arise from undefined variables or functions. Attribute errors occur when accessing non-existent module attributes
Code can be reformatted according to style scheme or .editorconfig. Formatting options include import optimization, code rearrangement, and cleanup. Line indents can be adjusted using CtrlAlt0I