Scala开启之旅

package com.hengheng.scala

class HelloScala {

}
object HelloScala {
  def hello(name: String) : String = {
    "Hello " + name
  }
  def helloscala() {
    println("Hello Scala, this is rocky!")
  }
  def add = (x : Int, y : Int) => x + y
  val sum = (x : Int, y : Int) => x + y
  def sum2(x : Int)(y : Int) = x + y
  def variableParameter(s : String*) = {
    s.foreach(x => println(x))
  }
  def helloDefault(name : String = "www.sparkinchina.com") : String = {
    "Hello " + name
  }
  def main(args: Array[String]) {
    println("Hello Scala!!!")
    println(hello("Scala"))
    helloscala
    println(add(1, 2))
    println(sum(1, 2))
    println(sum2(3)(2))
    variableParameter("I", "LOVE", "Spark")
    println(helloDefault())
    
  }
}