Update cheatsheets

scala

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# scala
+
+> Scala application launcher and interactive interpreter.
+> More information: <https://scala-lang.org>.
+
+- Start a REPL (interactive shell):
+
+`scala`
+
+- Start the interpreter with a dependency in the classpath:
+
+`scala -classpath {{filename.jar}} {{command}}`
+
+- Execute a Scala script:
+
+`scala {{script.scala}}`
+
+- Execute a `.jar` program:
+
+`scala {{filename.jar}}`
+
+- Execute a single Scala command in the command-line:
+
+`scala -e {{command}}`