package DPTest

trait Account {
    def account_type: String
    def getType(): String
    def printHistory() = {}
}

class CheckingAccount(accountType: String) extends Account{
    override def printHistory(): Unit = {
        print("Test " + this.getType() + " history")
    }

    override def getType(): String = {
        account_type
    }

    override def account_type: String = accountType
}

trait OnlineAccount extends Account{
    abstract override def getType(): String = {
        "online " + super.getType()
    }
}

object Demo extends App {
    val c = new CheckingAccount("checking account") with OnlineAccount
    c.printHistory()
}