This is the documentation for the Scala standard library.
The scala package contains core types like Int, Float, Array
or Option which are accessible in all Scala compilation units without explicit qualification or
Notable packages include:
Other packages exist. See the complete list on the right.
Additional parts of the standard library are shipped as separate libraries. These include:
Identifiers in the scala package and the scala.Predef object are always in scope by default.
Some of these identifiers are type aliases provided as shortcuts to commonly used classes. For example, List is an alias for
Other aliases refer to classes provided by the underlying platform. For example, on the JVM, String is an alias for java.lang.String.
Core Scala types.
Core Scala types. They are always available without an explicit import.