摘要：
定义函数scala> def fun1(name: String) {println(name)}fun1: (name: String)Unitscala> var fun1_v=fun1 _//加空格加下划线fun1_v: String => Unit = 调用结果scala> fun1("Sp... 阅读全文
摘要：
定义类class HiScala {private var name = "Spark"def sayName(){println(name)}def getName=name}实例化类scala> val scal = new HiScalascal: HiScala = HiScala@769d... 阅读全文
摘要：
定义变量scala> val age : Int = 0age: Int = 0scala> var age1, age2, age3 = 0age1: Int = 0age2: Int = 0age3: Int = 0基本类型的方法scala> 10.totoByte toChar ... 阅读全文