WebAug 24, 2024 · The main function needs to be inside an object, not a class definition. So instead of this. package main_function_test class exm { def main(args: Array[String]): Unit ... WebJun 25, 2024 · 1 Answer. You sure can. Just like any other method, main can be called between objects. object foo { def main (args: Array [String]): Unit = { println ("qux") } } object bar { def main (args: Array [String]): Unit = { println ("baz") foo.main (null) } } The same can also be replicated to main methods with arguments, as in the following example:
Spark编程基础(Scala版)——RDD编程 - 简书
http://allaboutscala.com/tutorials/chapter-1-getting-familiar-intellij-ide/where-is-main-method-launch-scala-application/ WebFeb 11, 2024 · If we don’t have version 1.8 or higher, Install the JDK Firstly, open a text editor Notepad or Notepad++. write the code in the text editor and save the file with (.scala) extension. open the command prompt follow step by step process on your system. // Scala program to print Hello World! object Geeks { // Main Method def main (args: Array ... ez2 sep 29 2021
Main Methods in Scala 3 Baeldung on Scala
Webdef main(args array string ) unit =技术、学习、经验文章掘金开发者社区搜索结果。 掘金是一个帮助开发者成长的社区,def main(args array string ) unit =技术文章由稀土上 … Web1)获取内存中的RDD. import org.apache.spark.rdd.RDD import org.apache.spark.{SparkConf, SparkContext} //从内存中获取RDD object … WebThe Scala compiler generates a program from an @main method f as follows: It creates a class named f in the package where the @main method was found. The class has a … ez 2 sept 6 2021