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scala:tldr:baad2
The command "scala" is used to run Scala programs and open an interactive Scala shell.
When you run the command "scala" in the command line, it launches the Scala interpreter. This allows you to enter Scala code interactively and see the results immediately. You can write and execute Scala statements, define and use functions, work with Scala data types, and so on. It provides a convenient way to experiment with Scala code and quickly test out ideas.
You can also use the "scala" command to run Scala programs saved in a file. To do this, you would typically provide the path to the Scala file as an argument to the command. The Scala interpreter will then execute the code in the file, producing the output (if any) defined in the program.
Additionally, the "scala" command has several options that can be used to control the behavior of the interpreter, such as specifying classpaths, setting compiler options, and enabling specific features.
Overall, the "scala" command is a fundamental tool that allows you to execute Scala code in an interactive manner or run Scala programs from files.