measure word, noun, pronoun, punctuation, verb · a classifier used for types, sorts, or varieties of people or things

我不喜欢那一类的人。

noun, measure word · a group of things sharing common attributes; a class or type

这些书籍被分为五个大类。

adjective, verb · to be similar to or look like another thing

这两件瓷器的材质和纹饰都极为相类。

noun · in computer programming, a blueprint or template for creating objects, providing initial values for state and implementations of behavior.

通过类可以创建多个对象实例。