From big Data rookie to Master's Journey Scala 11th lecture extends

Child class inherits the parent class to complete the parent class parameter of the Fill class person (Val name:string, Val age:int) {

println ("Father ' s constructor")
Val class = "First Class"
def read = "Ten hours"
Override def toString = "I am a Goodperson"
}

Class Stu (Namestu:string,agestu:int,val sex:string) Extendsperson (Namestu,agestu)
{
println ("Son ' s constructor")
Override Val Class = "I ' m a student in FirstClass"
Override def toString = "I am a good student"
}

Object Uni {
def main (args:array[string]): Unit = {

Val Stu =new Stu ("Stu1", 20, "male")
println (Stu. Class)
println (stu.tostring ())

}
}
Run results
Father ' s constructor
Son ' s constructor
I ' m a student in first class
I am a good student

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From big Data rookie to Master's Journey Scala 11th lecture extends