Scala
in Getting Started on Scala
Scala Language
Scala IDE
REPL(Read Eval Print Loop)
Scala Interpreter
C:\dev\scala\hello>scala
Welcome to Scala 2.12.3 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_141).
Type in expressions for evaluation. Or try :help.
scala> 1 + 2
res0: Int = 3
scala> 1 + 2
res1: Int = 3
scala> res0 + res1
res2: Int = 6
scala> :quit
C:\dev\scala\hello>
Compile & Execute
Hello.scala
object Hello {
def main(args: Array[String]) = println("Hello World!")
}
C:\dev\scala\hello>scalac Hello.scala
Hello$.class Hello.class Hello.scala
C:\dev\scala\hello>scala -classpath . Hello
Hello World!
