云星数据---Scala实战系列(精品版)】：Scala入门教程032-Scala实战源码-Scala 对象 02 单例对象

Scala 单例对象

package scala_learn.demo07_Object/** * Created by liguohua on 2017/3/1. */class O2_ObjectDemo {}object O2_ObjectDemo {  def main(args: Array[String]) {    for (j <- 1 to 5) {      Dog.icre    }    println(Dog.i)  }}class Dog {}//此对象就是一个单例对象object Dog {  var i = 0  def icre: Unit = {    i += 1  }}