文章浏览阅读60次。嵌套类：class Human { class Student{ val age = 10 }}object ClassDemo { def main(args: Array[String]): Unit = { val h = new Human val s = new h.Student println(s..._scala outter =>...
快学scala是一本很好的入门书籍，但是感觉里面有些错误，比如在嵌套类那一节，用代码验证结果和说明不一致class NetWork { class Member(val name:String){ val contacts = new ArrayBuffer[Member]() } private val members = new Array......
文章浏览阅读110次。 A Read–Eval–Print Loop (REPL), also known as an interactive toplevel or language shell, is a simple, interactive computer programming environment that takes single user inputs (i.e. single expressi..._10 max 2的含义是什么?max方法定义在哪个类中?...
文章浏览阅读840次。第一章 基础1 在REPL模式下输入 3. 然后按tab键。有哪些方法可以被应用？答： [root@bigdata01 bin]# sh scalaWelcome to Scala 2.13.0 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_65).Type in expressions for evaluation. O..._快学scala课后答案...
