如何在终端中运行 Scala 程序?

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时间:2020-10-22 08:55:58  来源:igfitidea点击:

How to run a scala program in terminal?

scalashellapache-sparkterminal

提问by Programmerr

I have created a .scala file in the Scala version of eclipse, it has a main and object. I want to somehow compile this possibly into a jar file, so I can run it from terminal?

我在 Eclipse 的 Scala 版本中创建了一个 .scala 文件,它有一个 main 和 object。我想以某种方式将它编译成一个 jar 文件,以便我可以从终端运行它?

any info will be appreciated.

任何信息将不胜感激。

Thanks, Rhys

谢谢,里斯

回答by evan.oman

Here is the full process from the command line:

以下是命令行的完整过程:

evan@vbox ~> cat test.scala
object test{
    def main(args: Array[String]): Unit = println("Hello!")
}
evan@vbox ~> scalac test.scala
evan@vbox ~> scala test
Hello!

However if you want to use Scala IDE to its full potential I would check out this tutorial.

但是,如果您想充分利用 Scala IDE,我会查看本教程

回答by radumanolescu

To create the JAR, follow this:

要创建 JAR,请执行以下操作:

Create a JAR from Eclipse

从 Eclipse 创建一个 JAR

Then you can run it with

然后你可以运行它

java -cp /path/to/My.jar com.co.package.MyObj