<!doctype html>

<html>

<head>

<meta charset='UTF-8'><meta name='viewport' content='width=device-width initial-scale=1'>

<title>Untitled</title><link href='https://fonts.loli.net/css?family=Open+Sans:400italic,700italic,700,400&subset=latin,latin-ext' rel='stylesheet' type='text/css' /><style type='text/css'>html {overflow-x: initial !important;}:root { --bg-color:#ffffff; --text-color:#333333; --select-text-bg-color:#B5D6FC; --select-text-font-color:auto; --monospace:"Lucida Console",Consolas,"Courier",monospace; }

html { font-size: 14px; background-color: var(--bg-color); color: var(--text-color); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; -webkit-font-smoothing: antialiased; }

body { margin: 0px; padding: 0px; height: auto; bottom: 0px; top: 0px; left: 0px; right: 0px; font-size: 1rem; line-height: 1.42857; overflow-x: hidden; background: inherit; }

iframe { margin: auto; }

a.url { word-break: break-all; }

a:active, a:hover { outline: 0px; }

.in-text-selection, ::selection { text-shadow: none; background: var(--select-text-bg-color); color: var(--select-text-font-color); }

#write { margin: 0px auto; height: auto; width: inherit; word-break: normal; word-wrap: break-word; position: relative; white-space: normal; overflow-x: visible; padding-top: 40px; }

#write.first-line-indent p { text-indent: 2em; }

#write.first-line-indent li p, #write.first-line-indent p * { text-indent: 0px; }

#write.first-line-indent li { margin-left: 2em; }

.for-image #write { padding-left: 8px; padding-right: 8px; }

body.typora-export { padding-left: 30px; padding-right: 30px; }

.typora-export .footnote-line, .typora-export li, .typora-export p { white-space: pre-wrap; }

@media screen and (max-width: 500px) {

body.typora-export { padding-left: 0px; padding-right: 0px; }

#write { padding-left: 20px; padding-right: 20px; }

.CodeMirror-sizer { margin-left: 0px !important; }

.CodeMirror-gutters { display: none !important; }

}

#write li > figure:first-child { margin-top: -20px; }

#write ol, #write ul { position: relative; }

img { max-width: 100%; vertical-align: middle; }

button, input, select, textarea { color: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; }

input[type="checkbox"], input[type="radio"] { line-height: normal; padding: 0px; }

*, ::after, ::before { box-sizing: border-box; }

#write h1, #write h2, #write h3, #write h4, #write h5, #write h6, #write p, #write pre { width: inherit; }

#write h1, #write h2, #write h3, #write h4, #write h5, #write h6, #write p { position: relative; }

h1, h2, h3, h4, h5, h6 { break-after: avoid-page; break-inside: avoid; orphans: 2; }

p { orphans: 4; }

h1 { font-size: 2rem; }

h2 { font-size: 1.8rem; }

h3 { font-size: 1.6rem; }

h4 { font-size: 1.4rem; }

h5 { font-size: 1.2rem; }

h6 { font-size: 1rem; }

.md-math-block, .md-rawblock, h1, h2, h3, h4, h5, h6, p { margin-top: 1rem; margin-bottom: 1rem; }

.hidden { display: none; }

.md-blockmeta { color: rgb(204, 204, 204); font-weight: 700; font-style: italic; }

a { cursor: pointer; }

sup.md-footnote { padding: 2px 4px; background-color: rgba(238, 238, 238, 0.7); color: rgb(85, 85, 85); border-radius: 4px; cursor: pointer; }

sup.md-footnote a, sup.md-footnote a:hover { color: inherit; text-transform: inherit; text-decoration: inherit; }

#write input[type="checkbox"] { cursor: pointer; width: inherit; height: inherit; }

figure { overflow-x: auto; margin: 1.2em 0px; max-width: calc(100% + 16px); padding: 0px; }

figure > table { margin: 0px !important; }

tr { break-inside: avoid; break-after: auto; }

thead { display: table-header-group; }

table { border-collapse: collapse; border-spacing: 0px; width: 100%; overflow: auto; break-inside: auto; text-align: left; }

table.md-table td { min-width: 32px; }

.CodeMirror-gutters { border-right: 0px; background-color: inherit; }

.CodeMirror { text-align: left; }

.CodeMirror-placeholder { opacity: 0.3; }

.CodeMirror pre { padding: 0px 4px; }

.CodeMirror-lines { padding: 0px; }

div.hr:focus { cursor: none; }

#write pre { white-space: pre-wrap; }

#write.fences-no-line-wrapping pre { white-space: pre; }

#write pre.ty-contain-cm { white-space: normal; }

.CodeMirror-gutters { margin-right: 4px; }

.md-fences { font-size: 0.9rem; display: block; break-inside: avoid; text-align: left; overflow: visible; white-space: pre; background: inherit; position: relative !important; }

.md-diagram-panel { width: 100%; margin-top: 10px; text-align: center; padding-top: 0px; padding-bottom: 8px; overflow-x: auto; }

#write .md-fences.mock-cm { white-space: pre-wrap; }

.md-fences.md-fences-with-lineno { padding-left: 0px; }

#write.fences-no-line-wrapping .md-fences.mock-cm { white-space: pre; overflow-x: auto; }

.md-fences.mock-cm.md-fences-with-lineno { padding-left: 8px; }

.CodeMirror-line, twitterwidget { break-inside: avoid; }

.footnotes { opacity: 0.8; font-size: 0.9rem; margin-top: 1em; margin-bottom: 1em; }

.footnotes + .footnotes { margin-top: 0px; }

.md-reset { margin: 0px; padding: 0px; border: 0px; outline: 0px; vertical-align: top; background: 0px 0px; text-decoration: none; text-shadow: none; float: none; position: static; width: auto; height: auto; white-space: nowrap; cursor: inherit; -webkit-tap-highlight-color: transparent; line-height: normal; font-weight: 400; text-align: left; box-sizing: content-box; direction: ltr; }

li div { padding-top: 0px; }

blockquote { margin: 1rem 0px; }

li .mathjax-block, li p { margin: 0.5rem 0px; }

li { margin: 0px; position: relative; }

blockquote > :last-child { margin-bottom: 0px; }

blockquote > :first-child, li > :first-child { margin-top: 0px; }

.footnotes-area { color: rgb(136, 136, 136); margin-top: 0.714rem; padding-bottom: 0.143rem; white-space: normal; }

#write .footnote-line { white-space: pre-wrap; }

@media print {

body, html { border: 1px solid transparent; height: 99%; break-after: avoid; break-before: avoid; }

#write { margin-top: 0px; padding-top: 0px; border-color: transparent !important; }

.typora-export * { -webkit-print-color-adjust: exact; }

html.blink-to-pdf { font-size: 13px; }

.typora-export #write { padding-left: 32px; padding-right: 32px; padding-bottom: 0px; break-after: avoid; }

.typora-export #write::after { height: 0px; }

@page { margin: 20mm 0px; }

}

.footnote-line { margin-top: 0.714em; font-size: 0.7em; }

a img, img a { cursor: pointer; }

pre.md-meta-block { font-size: 0.8rem; min-height: 0.8rem; white-space: pre-wrap; background: rgb(204, 204, 204); display: block; overflow-x: hidden; }

p > .md-image:only-child:not(.md-img-error) img, p > img:only-child { display: block; margin: auto; }

p > .md-image:only-child { display: inline-block; width: 100%; }

#write .MathJax_Display { margin: 0.8em 0px 0px; }

.md-math-block { width: 100%; }

.md-math-block:not(:empty)::after { display: none; }

[contenteditable="true"]:active, [contenteditable="true"]:focus { outline: 0px; box-shadow: none; }

.md-task-list-item { position: relative; list-style-type: none; }

.task-list-item.md-task-list-item { padding-left: 0px; }

.md-task-list-item > input { position: absolute; top: 0px; left: 0px; margin-left: -1.2em; margin-top: calc(1em - 10px); border: none; }

.math { font-size: 1rem; }

.md-toc { min-height: 3.58rem; position: relative; font-size: 0.9rem; border-radius: 10px; }

.md-toc-content { position: relative; margin-left: 0px; }

.md-toc-content::after, .md-toc::after { display: none; }

.md-toc-item { display: block; color: rgb(65, 131, 196); }

.md-toc-item a { text-decoration: none; }

.md-toc-inner:hover { text-decoration: underline; }

.md-toc-inner { display: inline-block; cursor: pointer; }

.md-toc-h1 .md-toc-inner { margin-left: 0px; font-weight: 700; }

.md-toc-h2 .md-toc-inner { margin-left: 2em; }

.md-toc-h3 .md-toc-inner { margin-left: 4em; }

.md-toc-h4 .md-toc-inner { margin-left: 6em; }

.md-toc-h5 .md-toc-inner { margin-left: 8em; }

.md-toc-h6 .md-toc-inner { margin-left: 10em; }

@media screen and (max-width: 48em) {

.md-toc-h3 .md-toc-inner { margin-left: 3.5em; }

.md-toc-h4 .md-toc-inner { margin-left: 5em; }

.md-toc-h5 .md-toc-inner { margin-left: 6.5em; }

.md-toc-h6 .md-toc-inner { margin-left: 8em; }

}

a.md-toc-inner { font-size: inherit; font-style: inherit; font-weight: inherit; line-height: inherit; }

.footnote-line a:not(.reversefootnote) { color: inherit; }

.md-attr { display: none; }

.md-fn-count::after { content: "."; }

code, pre, samp, tt { font-family: var(--monospace); }

kbd { margin: 0px 0.1em; padding: 0.1em 0.6em; font-size: 0.8em; color: rgb(36, 39, 41); background: rgb(255, 255, 255); border: 1px solid rgb(173, 179, 185); border-radius: 3px; box-shadow: rgba(12, 13, 14, 0.2) 0px 1px 0px, rgb(255, 255, 255) 0px 0px 0px 2px inset; white-space: nowrap; vertical-align: middle; }

.md-comment { color: rgb(162, 127, 3); opacity: 0.8; font-family: var(--monospace); }

code { text-align: left; vertical-align: initial; }

a.md-print-anchor { white-space: pre !important; border-width: initial !important; border-style: none !important; border-color: initial !important; display: inline-block !important; position: absolute !important; width: 1px !important; right: 0px !important; outline: 0px !important; background: 0px 0px !important; text-decoration: initial !important; text-shadow: initial !important; }

.md-inline-math .MathJax_SVG .noError { display: none !important; }

.html-for-mac .inline-math-svg .MathJax_SVG { vertical-align: 0.2px; }

.md-math-block .MathJax_SVG_Display { text-align: center; margin: 0px; position: relative; text-indent: 0px; max-width: none; max-height: none; min-height: 0px; min-width: 100%; width: auto; overflow-y: hidden; display: block !important; }

.MathJax_SVG_Display, .md-inline-math .MathJax_SVG_Display { width: auto; margin: inherit; display: inline-block !important; }

.MathJax_SVG .MJX-monospace { font-family: var(--monospace); }

.MathJax_SVG .MJX-sans-serif { font-family: sans-serif; }

.MathJax_SVG { display: inline; font-style: normal; font-weight: 400; line-height: normal; zoom: 90%; text-indent: 0px; text-align: left; text-transform: none; letter-spacing: normal; word-spacing: normal; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding: 0px; margin: 0px; }

.MathJax_SVG * { transition: none; }

.MathJax_SVG_Display svg { vertical-align: middle !important; margin-bottom: 0px !important; }

.os-windows.monocolor-emoji .md-emoji { font-family: "Segoe UI Symbol", sans-serif; }

.md-diagram-panel > svg { max-width: 100%; }

[lang="mermaid"] svg, [lang="flow"] svg { max-width: 100%; }

[lang="mermaid"] .node text { font-size: 1rem; }

table tr th { border-bottom: 0px; }

video { max-width: 100%; display: block; margin: 0px auto; }

iframe { max-width: 100%; width: 100%; border: none; }

.highlight td, .highlight tr { border: 0px; }

:root { --side-bar-bg-color: #fafafa; --control-text-color: #777; }

html { font-size: 16px; }

body { font-family: "Open Sans", "Clear Sans", "Helvetica Neue", Helvetica, Arial, sans-serif; color: rgb(51, 51, 51); line-height: 1.6; }

#write { max-width: 860px; margin: 0px auto; padding: 30px 30px 100px; }

#write > ul:first-child, #write > ol:first-child { margin-top: 30px; }

a { color: rgb(65, 131, 196); }

h1, h2, h3, h4, h5, h6 { position: relative; margin-top: 1rem; margin-bottom: 1rem; font-weight: bold; line-height: 1.4; cursor: text; }

h1:hover a.anchor, h2:hover a.anchor, h3:hover a.anchor, h4:hover a.anchor, h5:hover a.anchor, h6:hover a.anchor { text-decoration: none; }

h1 tt, h1 code { font-size: inherit; }

h2 tt, h2 code { font-size: inherit; }

h3 tt, h3 code { font-size: inherit; }

h4 tt, h4 code { font-size: inherit; }

h5 tt, h5 code { font-size: inherit; }

h6 tt, h6 code { font-size: inherit; }

h1 { padding-bottom: 0.3em; font-size: 2.25em; line-height: 1.2; border-bottom: 1px solid rgb(238, 238, 238); }

h2 { padding-bottom: 0.3em; font-size: 1.75em; line-height: 1.225; border-bottom: 1px solid rgb(238, 238, 238); }

h3 { font-size: 1.5em; line-height: 1.43; }

h4 { font-size: 1.25em; }

h5 { font-size: 1em; }

h6 { font-size: 1em; color: rgb(119, 119, 119); }

p, blockquote, ul, ol, dl, table { margin: 0.8em 0px; }

li > ol, li > ul { margin: 0px; }

hr { height: 2px; padding: 0px; margin: 16px 0px; background-color: rgb(231, 231, 231); border: 0px none; overflow: hidden; box-sizing: content-box; }

li p.first { display: inline-block; }

ul, ol { padding-left: 30px; }

ul:first-child, ol:first-child { margin-top: 0px; }

ul:last-child, ol:last-child { margin-bottom: 0px; }

blockquote { border-left: 4px solid rgb(223, 226, 229); padding: 0px 15px; color: rgb(119, 119, 119); }

blockquote blockquote { padding-right: 0px; }

table { padding: 0px; word-break: initial; }

table tr { border-top: 1px solid rgb(223, 226, 229); margin: 0px; padding: 0px; }

table tr:nth-child(2n), thead { background-color: rgb(248, 248, 248); }

table tr th { font-weight: bold; border-width: 1px 1px 0px; border-top-style: solid; border-right-style: solid; border-left-style: solid; border-top-color: rgb(223, 226, 229); border-right-color: rgb(223, 226, 229); border-left-color: rgb(223, 226, 229); border-image: initial; border-bottom-style: initial; border-bottom-color: initial; text-align: left; margin: 0px; padding: 6px 13px; }

table tr td { border: 1px solid rgb(223, 226, 229); text-align: left; margin: 0px; padding: 6px 13px; }

table tr th:first-child, table tr td:first-child { margin-top: 0px; }

table tr th:last-child, table tr td:last-child { margin-bottom: 0px; }

.CodeMirror-lines { padding-left: 4px; }

.code-tooltip { box-shadow: rgba(0, 28, 36, 0.3) 0px 1px 1px 0px; border-top: 1px solid rgb(238, 242, 242); }

.md-fences, code, tt { border: 1px solid rgb(231, 234, 237); background-color: rgb(248, 248, 248); border-radius: 3px; padding: 2px 4px 0px; font-size: 0.9em; }

code { background-color: rgb(243, 244, 244); padding: 0px 2px; }

.md-fences { margin-bottom: 15px; margin-top: 15px; padding-top: 8px; padding-bottom: 6px; }

.md-task-list-item > input { margin-left: -1.3em; }

@media print {

html { font-size: 13px; }

table, pre { break-inside: avoid; }

pre { word-wrap: break-word; }

}

.md-fences { background-color: rgb(248, 248, 248); }

#write pre.md-meta-block { padding: 1rem; font-size: 85%; line-height: 1.45; background-color: rgb(247, 247, 247); border: 0px; border-radius: 3px; color: rgb(119, 119, 119); margin-top: 0px !important; }

.mathjax-block > .code-tooltip { bottom: 0.375rem; }

.md-mathjax-midline { background: rgb(250, 250, 250); }

#write > h3.md-focus::before { left: -1.5625rem; top: 0.375rem; }

#write > h4.md-focus::before { left: -1.5625rem; top: 0.285714rem; }

#write > h5.md-focus::before { left: -1.5625rem; top: 0.285714rem; }

#write > h6.md-focus::before { left: -1.5625rem; top: 0.285714rem; }

.md-image > .md-meta { border-radius: 3px; padding: 2px 0px 0px 4px; font-size: 0.9em; color: inherit; }

.md-tag { color: rgb(167, 167, 167); opacity: 1; }

.md-toc { margin-top: 20px; padding-bottom: 20px; }

.sidebar-tabs { border-bottom: none; }

#typora-quick-open { border: 1px solid rgb(221, 221, 221); background-color: rgb(248, 248, 248); }

#typora-quick-open-item { background-color: rgb(250, 250, 250); border-color: rgb(254, 254, 254) rgb(229, 229, 229) rgb(229, 229, 229) rgb(238, 238, 238); border-style: solid; border-width: 1px; }

.on-focus-mode blockquote { border-left-color: rgba(85, 85, 85, 0.12); }

header, .context-menu, .megamenu-content, footer { font-family: "Segoe UI", Arial, sans-serif; }

.file-node-content:hover .file-node-icon, .file-node-content:hover .file-node-open-state { visibility: visible; }

.mac-seamless-mode #typora-sidebar { background-color: var(--side-bar-bg-color); }

.md-lang { color: rgb(180, 101, 77); }

.html-for-mac .context-menu { --item-hover-bg-color: #E6F0FE; }

#md-notification .btn { border: 0px; }

.dropdown-menu .divider { border-color: rgb(229, 229, 229); }

.typora-export li, .typora-export p, .typora-export, .footnote-line {white-space: normal;}

</style>

</head>

<body class='typora-export os-windows' >

<div id='write' class = 'is-node'><h3><a name='header-n62' class='md-header-anchor '></a>前言</h3><p>如果你有不错的大厂面试经历</p><p>如果你对某一个Java知识点有过深刻的见解和记录</p><p>如果你有什么学习编程的经验分享给其他人</p><p>......</p><p>如果你想，你都可以把这些整理成文章投稿给我，你的文章将被更多人看到，你所写的东西也可能会默默影响到很多人。</p><h3><a name='header-n69' class='md-header-anchor '></a>欢迎的文章类型</h3><p>本公众号主要接受下面几类文章投稿：</p><ol start='' ><li>大厂Java面试经历、面试总结、面试注意事项等等</li><li>对某一个Java知识点的深刻讲解</li><li>技术热点</li><li>一些行业内不错的人物或者公司传记</li><li>......</li></ol><p>因为本公众号主要是Java方向，所以还有其他Java方向的文章都可以投稿。</p><p>投稿的要求很简单，你能把一个知识点讲清楚就好，JavaGuide 里面还有很多知识点没有加，我觉得都是不错的方向（内容我会帮你完善）。 这个投稿的目的是完善开源项目 JavaGuide 的同时能够让大家自主去学习并总结知识点。</p><h3><a name='header-n84' class='md-header-anchor '></a>奖励</h3><p>投稿自己的原创文章成功之后不仅可以顺利加入32k+star 的开源项目 JavaGuide:<a href='https://github.com/Snailclimb/JavaGuide' target='_blank' class='url'>https://github.com/Snailclimb/JavaGuide</a> 扩大自己的竞争力，还会有50元左右的任意书籍或者50元现金奖励(对于不错的文章会更高)。</p><h3><a name='header-n86' class='md-header-anchor '></a>投稿方式</h3><p>下面 2 种方式都可以</p><ol start='' ><li>将你的文章以 Markdown 格式发送到我的邮箱：<a href='mailto:koushuangbwcx@163.com' target='_blank' class='url'>koushuangbwcx@163.com</a> ;</li><li>直接在 Github : <a href='https://github.com/Snailclimb/JavaGuide' target='_blank' class='url'>https://github.com/Snailclimb/JavaGuide</a> 提PR也可以 。</li></ol><p>如果你也是公众号号主，你也有自己不错的文章想投稿给我的话，虽然你不会有奖励，但是发了你的文章之后，肯定会为你带来一些新人关注。</p><p>&nbsp;</p></div>

</body>

</html>