Java基礎-接口.編寫2個接口:InterfaceA和InterfaceB;在接口InterfaceA中有個方法void printCapitalLetter();在接口InterfaceB中有個方法void printLowercaseLetter();然 后寫一個類Print實現接口
#34.編寫2個接口:InterfaceA和InterfaceB;在接口InterfaceA中有個方法void printCapitalLetter();在接口InterfaceB中有個方法void printLowercaseLetter();然 后寫一個類Print實現接口 ...