Post by Deepanshu Raghuwanshi

Essential Coding Principles Every Developer Should Follow Writing good code isn’t just about making things work—it’s about making them readable, maintainable, and scalable. Here are some key principles that can help every developer write better code: No unnecessary comments. A well-structured codebase should be self-explanatory. Use meaningful variable and method names to remove the need for redundant comments. Delete dead code & comments. If it's not in use, remove it. That’s what version control is for! Validate behavior at boundaries. Always unit test boundary conditions. Never assume behavior—validate it. Use positive conditionals. They’re easier to read and reduce mental overhead. Follow standard architecture & design guidelines. Consistency makes collaboration and maintenance much easier. Good & consistent naming. Variables, methods, and classes should be intuitive and meaningful from a caller’s perspective. KISS principle (Keep It Simple, Stupid). Avoid unnecessary complexity. Simple code is easier to debug, maintain, and scale. Use exceptions instead of return codes. When a method fails, throw an exception instead of returning null or error codes. Keep classes and methods small. Ideally, methods should be compact and under 100 lines of code. Boy Scout Rule: Leave the code better than you found it. Don’t wait for permission—refactor when necessary.