下表列出了 scala 保留關鍵字，我們不能使用以下關鍵字作為變量： | | | | | | --- | --- |--- |--- | | abstract | case | catch | class | | def | do | else | extends | | false | final | finally | for | | forSome | if | implicit |import | | lazy | match |new | null | | object | override | package |private | | protected | return | sealed |super | | this | throw | trait | try | | true | type | val |var | | while | with | |yield | | - | : | = | => | | <- | <: | <% | >: | | # | @ | | |