object Constructor {

  class Test{
    println(f);
def f = {
      "I am here!!!"
}
  }

  def main(args: Array[String]): Unit = {
    new Test;
}
}

1. class Constructor2{
2. var x =0
3. def f()={
4. x=12
5. }
6. f()
7. }
8. object Constructor2{
9. def main(args:Array[String
   ]):Unit={
10. var constructor2 = new Constructor2
11. println(constructor2.x)
12. }
13. }

1. package test
2. class Constructor2(var a:Int,val b:String="tiantian"){
3. var x =0
4. def f()={
5. x=12
6. }
7. def this(c:Int){
8. this(c,"tom")
9. }
10. }
11. object Constructor2{
12. def main(args:Array[String]):Unit={
13. var constructor2 = new Constructor2(12)
14. println(constructor2.a)
15. println(constructor2.b)
16. }
17. }