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原文地址: http://www.ptbird.cn/2016/07/19/scala-chuji-demo-37/

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package com.ptbird.scala import scala.collection.mutable.{ArrayBuffer, ListBuffer} /** * Created by postbird on 2016/5/26. */ object ListArrayQueueStackBuffer { def main(args: Array[String]): Unit = { val listBuffer = new ListBuffer[Int] listBuffer += 1 listBuffer += 1 println(listBuffer) //ListBuffer(1, 1) val arrayBuffer = new ArrayBuffer[Int]() arrayBuffer += 1 arrayBuffer += 2 arrayBuffer.foreach(print) //12 import scala.collection.mutable.Queue val queue = Queue[String]() queue += "aa" queue ++= List("bb", "cc") println(queue) println(queue.dequeue()) //出队操作 println(queue) // Queue(aa, bb, cc) // aa // Queue(bb, cc) import scala.collection.mutable.Stack val stack = new Stack[Int] stack.push(1) stack.push(2) stack.push(3) println(stack.top) println(stack) println(stack.pop) println(stack) // 3 // Stack(3, 2, 1) // 3 // Stack(2, 1) } }