DT大数据梦工厂scala的所有视频、PPT和代码在百度云盘的链接:http://pan.baidu.com/share/home?uk=4013289088#category/type=0&qq-pf-to=pcqq.group

《Scala深入浅出实战初级入门经典视频课程》http://edu.51cto.com/lesson/id-66538.html

《Scala深入浅出实战中级进阶经典视频课程》http://edu.51cto.com/lesson/id-67139.html

class UseTrait {

}

trait Logger{

// def log (msg : String)

def log (msg : String){}

}

class ConcreteLogger extends Logger with Cloneable{

// override def log(msg : String) = println("Log: " + msg)

def concreteLog{

log("It's me !!!")

}

}

trait TraitLogger extends Logger{

override def log (msg : String){

println(" TraitLogger Log content is : " + msg)

}

}

trait TraitLoggered{

def loged (msg : String){

println("TraitLoggered Log content is : " + msg)

}

}

trait ConsoleLogger extends TraitLogger{

override def log(msg : String){

println("Log from Console :" +msg)

}

}