**
- 特质: trait
- 它用来实现多继承
package Level02
object class09 {
trait Tall {
var height: Int = 180
}
trait Eye {
var beautifulEye: String = "大眼睛"
}
// class 就有两个父类
class Girl extends Tall with Eye {}
def main(args: Array[String]): Unit = {
val girl1 = new Girl()
println(girl1.beautifulEye)
println(girl1.height)
}
}