#odersky-programming-in-scala-1ed #scala
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Classes and Objectsshown in the next section.
4.4 A Scala application [link]
To run a Scala program, you must supply the name of a standalone singleton object with a main method that takes one parameter, an Array[String],
and has a result type of Unit. <span>Any standalone object with a main method of the proper signature can be used as the entry point into
an application. An example is shown in Listing 4.3:
// In file Summer.scala
import ChecksumAccumulator.calculate
object Summer {
def main(args: Array[String]) {
for (arg Summary
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