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/* 利用LinkedList来实现队列(先进先出)和堆栈(先进后出) 堆栈:后进先出 队列:先进先出 */ import java.util.*; /*队列:将LinkedList进行封装,实现队列先进先出的功能特点*/ class Duilie { private LinkedList link; Duilie() { link=new LinkedList(); } public void myAdd(Object obj) { link.addFirst(obj); sop(link.getFirst()); } public Object myGet() { return link.removeLast(); } public boolean isEmpty() { return link.isEmpty(); } public static void sop(Object obj) { System.out.println(obj); } } /* 堆栈:将LinkedList进行封装,实现堆栈后进先出的功能特点 */ class Duizhan { private LinkedList link; Duizhan() { link=new LinkedList(); } public void myAdd(Object obj) { link.addFirst(obj); sop(link.getFirst()); } public Object myGet() { return link.removeFirst(); } public boolean isEmpty() { return link.isEmpty(); } public static void sop(Object obj) { System.out.println(obj); } } class LinkedListTest { public static void main(String[] args) { duiLie(); duizhan(); } public static void duiLie() { Duilie dl=new Duilie(); sop("-------------------队列---------------------"); dl.myAdd("Hello..1"); dl.myAdd("Hello..2"); dl.myAdd("Hello..3"); dl.myAdd("Hello..4"); sop("队列出的顺序"); //sop(dl); while(!dl.isEmpty()) { sop(dl.myGet()); } sop("---------------------end-------------------"); } public static void duizhan() { Duizhan dz=new Duizhan(); sop("-------------------堆栈---------------------"); dz.myAdd("Hello..1"); dz.myAdd("Hello..2"); dz.myAdd("Hello..3"); dz.myAdd("Hello..4"); sop("堆栈出的顺序"); //sop(dz); while(!dz.isEmpty()) { sop(dz.myGet()); } sop("---------------------end-------------------"); } public static void sop(Object obj) { System.out.println(obj); } }
java 集合框架-利用LinkedList实现堆栈数据结构
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原文地址:http://blog.csdn.net/iemdm1110/article/details/51361580