Scala--類定義

1、類的定義方法

package com.itstar.scala.test

class Student1 {
  private var stuId:Int = 0
  private var stuName:String = "Jack"
  private var stuAge:Int = 22
  private[this] var stuSex:String = "male"

  def getStuName() = this.stuName
  //第一個等號是函數的邏輯，第二個等號是賦值
  def setStuName(newName:String) = this.stuName = newName

}
//注意object和class的名字可以不一樣,如果一樣的話，這個object就叫做class的伴生對象
object Student1{
  def main (args: Array[String] ): Unit = {
    var stu1 = new Student1
    println(stu1.getStuName())
    stu1.setStuName("Tom")
    println(stu1.getStuName())
    println("============================")
    //當一個屬性是private的時候，scala會自動為其生成對應的set get 方法,方法名與屬性名一致
    println(stu1.stuName + "\t" + stu1.stuAge + "\t" + stu1.stuId)
    //如果想要私有屬性不被訪問的話就用private[this]來修飾
    println(stu1.stuSex)

}
}