類別庫（Class library）在程式設計中是指類別的集合。
一組在多個工程中可能會被重複使用的類別，可以作為一個類別庫共享給其他相關的開發者。as,swf和swc都是常見的類別庫分配形式。
參見
Wikiwand in your browser!
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.
