第一天
- class
- object
- public
- Person
- construct
- destruct
- Program
- Oriented
第二天
- attribute
- extends
- instance
- private
- protected
- secret
第三天
- parent
- override
- final
- called
- serialize
- Incomplete
第四天
- sleep
- wakeup
- const
- static
- define
- self
- method
第五天
- clone
- invoke
- abstract
- interface
- Writer
- implement
第六天
- Contact
- Enough
- instead
- Example
- property
- trigger