Scala

package Scala

object class1 {
trait A {
  println("trait A")
}
  trait B {
    println("trait B")
  }
  trait C {
    println("trait C")
  }
class Class1 extends B with A with C{
  println("class 1...")
}

  def main(args: Array[String]): Unit = {
    new Class1()
  }
}