http://www.oracle.com/technetwork/java/javase/documentation/codeconvtoc-136057.html
https://nobugsproject.com/2018/02/19/refactor-bad-code-series-1-joining-forces-to-avoid-bad-code/ https://nobugsproject.com/2018/02/27/refactor-bad-code-series-2-what-does-that-fing-method-variable-name-mean/
http://keepcalmandrefactor.com
https://github.com/iluwatar/java-design-patterns
https://nobugsproject.com/category/design-patterns-saga/
-
The Robert C. Martin Clean Code Collection：Clean Code and The Clean Coder