# scala ## JDK To change the JDK used by the Scala tools (Metals, Coursier, Scalafmt, sbt, Mill, scala-cli), set the [`languages.java.jdk.package`](/languages/java/#languagesjavajdkpackage) option. ## Options ### languages.scala.enable Whether to enable tools for Scala development. *Type:* boolean *Default:* ```nix false ``` *Example:* ```nix true ``` *Declared by:* * ### languages.scala.package The Scala package to use. *Type:* package *Default:* ```nix pkgs.scala_3 ``` *Declared by:* * ### languages.scala.lsp.enable Whether to enable Scala Language Server. *Type:* boolean *Default:* ```nix true ``` *Example:* ```nix true ``` *Declared by:* * ### languages.scala.lsp.package The Scala language server package to use. *Type:* package *Default:* ```nix pkgs.metals ``` *Declared by:* * ### languages.scala.mill.enable Whether to enable mill, a simplified, fast build tool for Scala. *Type:* boolean *Default:* ```nix false ``` *Example:* ```nix true ``` *Declared by:* * ### languages.scala.mill.package The mill package to use. *Type:* package *Default:* ```nix pkgs.mill ``` *Declared by:* * ### languages.scala.sbt.enable Whether to enable sbt, the standard build tool for Scala. *Type:* boolean *Default:* ```nix false ``` *Example:* ```nix true ``` *Declared by:* * ### languages.scala.sbt.package The sbt package to use. *Type:* package *Default:* ```nix pkgs.sbt ``` *Example:* ```nix sbt-with-scala-native ``` *Declared by:* *