unapplyDemo

class ApplyDemo {  def apply() = "apply in class"  def test {    println("test")  }}/**  * 伴生对象，相当于类的静态方法  */object ApplyDemo {  def stat {    println("static method")  }  def apply() = new ApplyDemo  var count = 0  def incc = {    count += 1  }}object ApplyDemoTest extends App {  ApplyDemo.stat  //类名后面加括号，相当于调用伴生对象的apply方法  val a = ApplyDemo()  a.test  //对象加括号相当于调用对象的apply方法  println(a())  val b = ApplyDemo.apply()  b.test  println(a.apply())  for (i <- 0 until 10) {    ApplyDemo.incc  }  println(ApplyDemo.count)}/**  * static methodtestapply in classtestapply in class10  */