[概述](%E6%A6%82%E8%BF%B0.md) [數據類型](%E6%95%B0%E6%8D%AE%E7%B1%BB%E5%9E%8B.md) [類型轉換](%E7%B1%BB%E5%9E%8B%E8%BD%AC%E6%8D%A2.md) [變量](%E5%8F%98%E9%87%8F.md) [常量](%E5%B8%B8%E9%87%8F.md) [運算符](%E8%BF%90%E7%AE%97%E7%AC%A6.md)