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itemtype="http://schema.org/Article"><link itemprop="mainEntityOfPage" href="http://mrbird.cc/LinkedHashSet源码解析.html"><span hidden itemprop="author" itemscope itemtype="http://schema.org/Person"><meta itemprop="name" content="MrBird"><meta itemprop="description" content=""><meta itemprop="image" content="/images/blogImage.jpg"></span><span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization"><meta itemprop="name" content="MrBird"></span><header class="post-header"><h2 class="post-title" itemprop="name headline"><a class="post-title-link" href="/LinkedHashSet源码解析.html" itemprop="url">LinkedHashSet源码解析</a></h2><div class="post-meta"><span class="post-time"><span class="post-meta-item-icon"><i class="fa fa-calendar-o"></i></span><span class="post-meta-item-text"></span><time title="创建于" itemprop="dateCreated datePublished" datetime="2020-09-03T11:25:12+08:00">2020-09-03</time></span><span></span></div></header><div class="post-body" itemprop="articleBody"><p>我们知道，HashSet内部使用HashMap存储元素，所以HashSet遍历数据时是无序的，要保证插入的元素有序，我们可以使用LinkedHashSet。本节记录LinkedHashSet源码解析，基于JDK1.8。</p><div class="post-button text-center"><a class="btn" href="/LinkedHashSet源码解析.html#more" rel="contents">Read More »</a></div><script>$(".post-body a").not(".thispage").addClass("ignore-href").attr("target", "_blank")</script></div><div></div><div></div><div></div><footer class="post-footer"><div class="post-eof"></div></footer></article><hr><article class="post post-type-normal" itemscope itemtype="http://schema.org/Article"><link itemprop="mainEntityOfPage" href="http://mrbird.cc/LinkedHashMap源码解析.html"><span hidden itemprop="author" itemscope itemtype="http://schema.org/Person"><meta itemprop="name" content="MrBird"><meta itemprop="description" content=""><meta itemprop="image" content="/images/blogImage.jpg"></span><span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization"><meta itemprop="name" content="MrBird"></span><header class="post-header"><h2 class="post-title" itemprop="name headline"><a class="post-title-link" href="/LinkedHashMap源码解析.html" itemprop="url">LinkedHashMap源码解析</a></h2><div class="post-meta"><span class="post-time"><span class="post-meta-item-icon"><i class="fa fa-calendar-o"></i></span><span class="post-meta-item-text"></span><time title="创建于" itemprop="dateCreated datePublished" datetime="2020-09-02T11:24:36+08:00">2020-09-02</time></span><span></span></div></header><div class="post-body" itemprop="articleBody"><p>HashMap元素插入是无序的，为了让遍历顺序和插入顺序一致，我们可以使用LinkedHashMap，其内部维护了一个双向链表来存储元素顺序，并且可以通过accessOrder属性控制遍顺序为插入顺序或者为访问顺序。本节将记录LinkedHashMap的内部实现原理，基于JDK1.8，并且用LinkedHashMap实现一个简单的LRU。</p><div class="post-button text-center"><a class="btn" href="/LinkedHashMap源码解析.html#more" rel="contents">Read More »</a></div><script>$(".post-body a").not(".thispage").addClass("ignore-href").attr("target", "_blank")</script></div><div></div><div></div><div></div><footer class="post-footer"><div class="post-eof"></div></footer></article><hr><article class="post post-type-normal" itemscope itemtype="http://schema.org/Article"><link itemprop="mainEntityOfPage" href="http://mrbird.cc/HashTable源码解析.html"><span hidden itemprop="author" itemscope itemtype="http://schema.org/Person"><meta itemprop="name" content="MrBird"><meta itemprop="description" content=""><meta itemprop="image" content="/images/blogImage.jpg"></span><span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization"><meta itemprop="name" content="MrBird"></span><header class="post-header"><h2 class="post-title" itemprop="name headline"><a class="post-title-link" href="/HashTable源码解析.html" itemprop="url">HashTable源码解析</a></h2><div class="post-meta"><span class="post-time"><span class="post-meta-item-icon"><i class="fa fa-calendar-o"></i></span><span class="post-meta-item-text"></span><time title="创建于" itemprop="dateCreated datePublished" datetime="2020-08-27T11:25:38+08:00">2020-08-27</time></span><span></span></div></header><div class="post-body" itemprop="articleBody"><p>HashTable是Map接口线程安全实现版本，数据结构和方法实现与HashMap类似，本文记录HashTable源码解析，基于JDK1.8。</p><div class="post-button text-center"><a class="btn" href="/HashTable源码解析.html#more" rel="contents">Read More »</a></div><script>$(".post-body a").not(".thispage").addClass("ignore-href").attr("target", "_blank")</script><p></p></div><div></div><div></div><div></div><footer class="post-footer"><div class="post-eof"></div></footer></article><hr><article class="post post-type-normal" itemscope itemtype="http://schema.org/Article"><link itemprop="mainEntityOfPage" href="http://mrbird.cc/CopyOnWriteArraySet源码解析.html"><span hidden itemprop="author" itemscope itemtype="http://schema.org/Person"><meta itemprop="name" content="MrBird"><meta itemprop="description" content=""><meta itemprop="image" content="/images/blogImage.jpg"></span><span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization"><meta itemprop="name" content="MrBird"></span><header class="post-header"><h2 class="post-title" itemprop="name headline"><a class="post-title-link" href="/CopyOnWriteArraySet源码解析.html" itemprop="url">CopyOnWriteArraySet源码解析</a></h2><div class="post-meta"><span class="post-time"><span class="post-meta-item-icon"><i class="fa fa-calendar-o"></i></span><span class="post-meta-item-text"></span><time title="创建于" itemprop="dateCreated datePublished" datetime="2020-08-26T09:23:21+08:00">2020-08-26</time></span><span></span></div></header><div class="post-body" itemprop="articleBody"><p>CopyOnWriteArraySet为线程安全的Set实现，本文记录CopyOnWriteArraySet源码解析，基于JDK1.8。</p><div class="post-button text-center"><a class="btn" href="/CopyOnWriteArraySet源码解析.html#more" rel="contents">Read More »</a></div><script>$(".post-body a").not(".thispage").addClass("ignore-href").attr("target", "_blank")</script><p></p></div><div></div><div></div><div></div><footer class="post-footer"><div class="post-eof"></div></footer></article><hr><article class="post post-type-normal" itemscope itemtype="http://schema.org/Article"><link itemprop="mainEntityOfPage" href="http://mrbird.cc/HashSet源码解析.html"><span hidden itemprop="author" itemscope itemtype="http://schema.org/Person"><meta itemprop="name" content="MrBird"><meta itemprop="description" content=""><meta itemprop="image" content="/images/blogImage.jpg"></span><span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization"><meta itemprop="name" content="MrBird"></span><header class="post-header"><h2 class="post-title" itemprop="name headline"><a class="post-title-link" href="/HashSet源码解析.html" itemprop="url">HashSet源码解析</a></h2><div class="post-meta"><span class="post-time"><span class="post-meta-item-icon"><i class="fa fa-calendar-o"></i></span><span class="post-meta-item-text"></span><time title="创建于" itemprop="dateCreated datePublished" datetime="2020-08-25T11:20:47+08:00">2020-08-25</time></span><span></span></div></header><div class="post-body" itemprop="articleBody"><p>本文记录HashSet源码解析，基于JDK1.8。</p><div class="post-button text-center"><a class="btn" href="/HashSet源码解析.html#more" rel="contents">Read More »</a></div><script>$(".post-body a").not(".thispage").addClass("ignore-href").attr("target", "_blank")</script><p></p></div><div></div><div></div><div></div><footer class="post-footer"><div class="post-eof"></div></footer></article><hr><article class="post post-type-normal" itemscope itemtype="http://schema.org/Article"><link itemprop="mainEntityOfPage" href="http://mrbird.cc/CopyOnWriteArrayList源码解析.html"><span hidden itemprop="author" itemscope itemtype="http://schema.org/Person"><meta itemprop="name" content="MrBird"><meta itemprop="description" content=""><meta itemprop="image" content="/images/blogImage.jpg"></span><span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization"><meta itemprop="name" content="MrBird"></span><header class="post-header"><h2 class="post-title" itemprop="name headline"><a class="post-title-link" href="/CopyOnWriteArrayList源码解析.html" itemprop="url">CopyOnWriteArrayList源码解析</a></h2><div class="post-meta"><span class="post-time"><span class="post-meta-item-icon"><i class="fa fa-calendar-o"></i></span><span class="post-meta-item-text"></span><time title="创建于" itemprop="dateCreated datePublished" datetime="2020-08-18T11:23:44+08:00">2020-08-18</time></span><span></span></div></header><div class="post-body" itemprop="articleBody"><p>CopyOnWriteArrayList为线程安全的ArrayList，这节分析下CopyOnWriteArrayList的源码，基于JDK1.8。</p><div class="post-button text-center"><a class="btn" href="/CopyOnWriteArrayList源码解析.html#more" rel="contents">Read More »</a></div><script>$(".post-body a").not(".thispage").addClass("ignore-href").attr("target", "_blank")</script><p></p></div><div></div><div></div><div></div><footer class="post-footer"><div class="post-eof"></div></footer></article><hr><article class="post post-type-normal" itemscope itemtype="http://schema.org/Article"><link itemprop="mainEntityOfPage" href="http://mrbird.cc/Vector源码解析.html"><span hidden itemprop="author" itemscope itemtype="http://schema.org/Person"><meta itemprop="name" content="MrBird"><meta itemprop="description" content=""><meta itemprop="image" content="/images/blogImage.jpg"></span><span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization"><meta itemprop="name" content="MrBird"></span><header class="post-header"><h2 class="post-title" itemprop="name headline"><a class="post-title-link" href="/Vector源码解析.html" itemprop="url">Vector源码解析</a></h2><div class="post-meta"><span class="post-time"><span class="post-meta-item-icon"><i class="fa fa-calendar-o"></i></span><span class="post-meta-item-text"></span><time title="创建于" itemprop="dateCreated datePublished" datetime="2020-08-10T11:19:59+08:00">2020-08-10</time></span><span></span></div></header><div class="post-body" itemprop="articleBody"><p>Vector和ArrayList非常相似，它们都实现了相同的接口，继承相同的类，就连方法的实现也非常类似。和ArrayList不同的是，Vector是线程安全的，关键方法上都加了synchronized同步锁， <strong>由于Vector效率不高，所以使用的较少，要使用线程安全的ArrayList，推荐CopyOnWriteArrayList</strong>，后续再做分析，这里仅记录下Vector源码，基于JDK1.8。</p><div class="post-button text-center"><a class="btn" href="/Vector源码解析.html#more" rel="contents">Read More »</a></div><script>$(".post-body a").not(".thispage").addClass("ignore-href").attr("target", "_blank")</script></div><div></div><div></div><div></div><footer class="post-footer"><div class="post-eof"></div></footer></article><hr></section><nav class="pagination"><span class="page-number current">1</span><a class="page-number" href="/page/2/">2</a><span class="space">…</span><a class="page-number" href="/page/45/">45</a><a class="extend next" rel="next" href="/page/2/"><i class="fa fa-angle-right"></i></a></nav><span 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"<li><a href='" + f + "' class='search-result-title'>" + s(l, v[0]) + "</a>": "<li><a href='" + f + "' class='search-result-title'>" + l + "</a>", C.forEach(function(t) { b += "<a href='" + f + '\'><p class="search-result">' + s(p, t) + "...</p></a>" }), b += "</li>", o.push({ item: b, searchTextCount: c, hitCount: i, id: o.length }) } }), 1 === e.length && "" === e[0]) s.innerHTML = '<div id="no-result"><i class="fa fa-search fa-5x" /></div>'; else if (0 === o.length) s.innerHTML = '<div id="no-result"><i class="fa fa-frown-o fa-5x" /></div>'; else { o.sort(function(t, e) { return t.searchTextCount !== e.searchTextCount ? e.searchTextCount - t.searchTextCount: t.hitCount !== e.hitCount ? e.hitCount - t.hitCount: e.id - t.id }); var a = '<ul class="search-result-list">'; o.forEach(function(t) { a += t.item }), a += "</ul>", s.innerHTML = a } }; r.addEventListener("input", a), $(".local-search-pop-overlay").remove(), $("body").css("overflow", ""), proceedsearch() } }) }; $(".popup-trigger").click(function(t) { t.stopPropagation(), isfetched === !1 ? searchFunc(path, "local-search-input", "local-search-result") : proceedsearch() }), $(".popup-btn-close").click(onPopupClose), $(".popup").click(function(t) { t.stopPropagation() }), $(document).on("keyup", function(t) { var e = 27 === t.which && $(".search-popup").is(":visible"); e && onPopupClose() })</script></body><script>$(function() { $("a").not(".nav-link,.cloud-tie-join-count,.ignore-href,.jstree-anchor").addClass("animsition-link") }); var burst1 = new mojs.Burst({ left: 0, top: 0, radius: { 5 : 40 }, children: { shape: "circle", fill: ["red", "cyan", "orange"], fillOpacity: .8, radiusX: 3.5, radiusY: 3.5 } }); document.addEventListener("click", function(a) { null == a.target.href && "footer" != a.target.className && "copyright" != a.target.className && "author__urls social-icons" != a.target.className && "author__avatar" != a.target.className && "sidebar sidebar-active" != a.target.className && burst1.tune({ x: a.pageX, y: a.pageY }).generate().replay() })</script><script type="text/javascript" src="/js/message.js"></script></html>