package com.test.scala.test

/**

 * 单例对象，这种对象不能提供构造函数

 */

object SingleObject {

  private var lastnumber=0;

  def newUnqiueNumber={lastnumber+=1;lastnumber}

  def main(args: Array[String]): Unit = {

    println(newUnqiueNumber)

    println(newUnqiueNumber)

    println(newUnqiueNumber)

    println(newUnqiueNumber)

    println(newUnqiueNumber)

    println(newUnqiueNumber)

    println(SingleObject.lastnumber)

    newUnqiueNumber

    println(SingleObject.lastnumber)

  }

}