DT Big Data Dream Factory 7th lecture-scala class properties

Learn about Liaoliang's Scala class properties video lectures, which are summarized below:

The var variable has a default Java-like get and set method that does not need to be displayed, and the Val variable has a default Get method

Package Com.fish.scala

/**

* @author Fish

* @description life are short, you need spark!

* Big Data Architecture Consulting, welcome to contact @qq 16616365

*/

class classattr {

 varname  = "Yxg"                       //private[this] var name:string

 Val Age  = -                          //private[this] val age : Int

}

Object  main  {

var classattr = new classattr

 println(classattr.name)                //def name:string, here is the method called

 println(classattr. Age)                 //val age : How is the Int called here not a method?

 classattr.name="Good"                //def name_= (x$1:string): Unit

//classattr.age = 101//variable is not allowed to be modified

}

teacher Wang's Scala classic lecture Baidu Cloud Disk:http://pan.baidu.com/s/1sjFpgL3

information from DT Big Data Dream Factory public account: Dt_spark

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DT Big Data Dream Factory 7th lecture-scala class properties