Crystal_Zero的博客

隐式转换import scala.io.Sourceimport java.io.Fileclass RichFile(val file:File){ def read = Source.fromFile(file.getPath()).mkString}object Context{ implicit def file2RichFile(file:File)= new RichF

链式调用风格 //核心就在 this.typeclass Animal { def breathe: this.type = this } class Cat extends Animal { def eat : this.type = this } object Singleton_Types { def main(args: Array[String]): Unit = { val

View Bounds 视图界定 package com.dt.scala.type_parameterization

Listpackage databaseobject list { println("Welcome to the Scala worksheet") //> Welcome to the Scala worksheet val bigData = List("Hadoop" , "Spark") //> bigData : List[String] = Lis

basicpackage PatternMatchobject patternmatch { println("Welcome to the Scala worksheet") //> Welcome to the Scala worksheet val data =2 //> data : Int = 2

文件import scala.io.Sourceimport java.io.PrintWriterimport java.io.Fileobject FileOps { def main(args: Array[String]) { val file = Source.fromFile("test.txt") for (line <- file.get

类的属性与私有字段package OOPclass Person { private var age = 0 def increment(){age += 1} def current = age def act(person: Person){ person.age }}class Student{ private var private

Scala进阶源码实战系列，省去一些冗余的文字基础介绍，直接上代码，结合注释，实战进阶。为Spark打下语言基础。最好集中时间短时间突击完，计划一周。最开始的一些简单的借助ScalaIDE source sheet，帮助理解类型之类的数组package basicobject basics { println("Welcome to the Scala worksheet") //>