Package Com.leegh.parameterization
Import Scala.io.BufferedSource
Import Scala.io.Source
/**
* @author Guohui Li
*/
Trait Reader {
Type in <: java.io.Serializable
Type Contents
def read (in:in): Contents
}
Class FileReader extends Reader {
Type in = String
Type Contents = Bufferedsource
Override Def read (name:in) = Source.fromfile (name)
}
Object Abstract_types {
def main (args:array[string]): Unit = {
Val FileReader = new FileReader
Val content = Filereader.read ("E:\\leegh.txt")
for (line <-content.getlines ())
println (line)
}
}
Report:
This blog description:
1. Organize your ideas and improve yourself.
2. Be educated in Liaoliang teacher, what to gain, so recommend.
3. Blog focus on practice, superfluous words are not much to say, are doing technology.
4. Information from DT Big Data Dream Factory public account: Dt_spark.?
DT Big Data Dream Factory's public number is Dt_spark, every day will have big data actual combat video release, please continue to study.
Liaoliang DT Big Data dream factory Scala all videos, PPT and code in Baidu Cloud disk link:http://pan.baidu.com/share/home?uk=4013289088#category/type=0& Qq-pf-to=pcqq.group
Liaoliang "Scala Beginner's introductory classic video course" http://edu.51cto.com/lesson/id-66538.html
Liaoliang "Scala Advanced Classic Video Course" http://edu.51cto.com/lesson/id-67139.html
Scala's abstract types real-language learning notes-48