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sidebar-page" aria-label="Java注释">Java注释</a><ul class="sidebar-sub-headers"></ul></li><li><a href="/basic-grammar/basic-data-type.html" class="nav-link sidebar-link sidebar-page" aria-label="Java 中的数据类型">Java 中的数据类型</a><ul class="sidebar-sub-headers"></ul></li><li><a aria-current="page" href="/basic-grammar/operator.html" class="router-link-active router-link-exact-active nav-link active sidebar-link sidebar-page active" aria-label="Java 运算符">Java 运算符</a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header"><a aria-current="page" href="/basic-grammar/operator.html#_01、算数运算符" class="router-link-active router-link-exact-active nav-link sidebar-link heading" aria-label="01、算数运算符">01、算数运算符</a><ul class="sidebar-sub-headers"></ul></li><li class="sidebar-sub-header"><a aria-current="page" href="/basic-grammar/operator.html#_02、关系运算符" class="router-link-active router-link-exact-active nav-link sidebar-link heading" aria-label="02、关系运算符">02、关系运算符</a><ul class="sidebar-sub-headers"></ul></li><li class="sidebar-sub-header"><a aria-current="page" href="/basic-grammar/operator.html#_03、位运算符" class="router-link-active router-link-exact-active nav-link sidebar-link heading" aria-label="03、位运算符">03、位运算符</a><ul class="sidebar-sub-headers"></ul></li><li class="sidebar-sub-header"><a aria-current="page" href="/basic-grammar/operator.html#_04、逻辑运算符" class="router-link-active router-link-exact-active nav-link sidebar-link heading" aria-label="04、逻辑运算符">04、逻辑运算符</a><ul class="sidebar-sub-headers"></ul></li><li class="sidebar-sub-header"><a aria-current="page" href="/basic-grammar/operator.html#_05、赋值运算符" class="router-link-active router-link-exact-active nav-link sidebar-link heading" aria-label="05、赋值运算符">05、赋值运算符</a><ul class="sidebar-sub-headers"></ul></li><li class="sidebar-sub-header"><a aria-current="page" href="/basic-grammar/operator.html#_06、三元运算符" class="router-link-active router-link-exact-active nav-link sidebar-link heading" aria-label="06、三元运算符">06、三元运算符</a><ul class="sidebar-sub-headers"></ul></li></ul></li><li><a href="/basic-grammar/flow-control.html" class="nav-link sidebar-link sidebar-page" aria-label="Java流程控制语句">Java流程控制语句</a><ul class="sidebar-sub-headers"></ul></li></ul></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><span class="title">2.3 数组&字符串</span><span class="arrow right"></span></button></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><span class="title">2.4 面向对象编程</span><span class="arrow right"></span></button></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><span class="title">2.5 集合框架（容器）</span><span class="arrow right"></span></button></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><span class="title">2.6 IO</span><span class="arrow right"></span></button></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><span class="title">2.7 异常处理</span><span class="arrow right"></span></button></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><span class="title">2.8 常用工具类</span><span class="arrow right"></span></button></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><span class="title">2.9 Java新特性</span><span class="arrow right"></span></button></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><span class="title">2.10 Java重要知识点</span><span class="arrow right"></span></button></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><span class="title">2.11 并发编程</span><span class="arrow right"></span></button></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><span class="title">2.12 JVM</span><span class="arrow right"></span></button></section></li></ul></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><span class="title">三、Java企业级开发</span><span class="arrow right"></span></button></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><span class="title">四、数据库</span><span class="arrow right"></span></button></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><span class="title">五、计算机基础</span><span class="arrow right"></span></button></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><span class="title">六、求职面试</span><span class="arrow right"></span></button></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><span class="title">七、学习资源</span><span class="arrow right"></span></button></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><span class="title">八、学习建议</span><span class="arrow right"></span></button></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><span class="title">九、知识库搭建</span><span class="arrow right"></span></button></section></li><li><section class="sidebar-group"><button class="sidebar-heading clickable"><span class="title">十、联系作者</span><span class="arrow right"></span></button></section></li></ul></aside><main class="page" id="main-content"><nav class="breadcrumb disable"></nav><div class="page-title"><h1>Java 运算符</h1><div class="page-info"><span class="author-info" aria-label="作者🖊" data-balloon-pos="down" isoriginal="false" pageview="false"><svg xmlns="http://www.w3.org/2000/svg" class="icon author-icon" viewbox="0 0 1024 1024" fill="currentColor" aria-label="author icon"><path d="M649.6 633.6c86.4-48 147.2-144 147.2-249.6 0-160-128-288-288-288s-288 128-288 288c0 108.8 57.6 201.6 147.2 249.6-121.6 48-214.4 153.6-240 288-3.2 9.6 0 19.2 6.4 25.6 3.2 9.6 12.8 12.8 22.4 12.8h704c9.6 0 19.2-3.2 25.6-12.8 6.4-6.4 9.6-16 6.4-25.6-25.6-134.4-121.6-240-243.2-288z"></path></svg><span><a class="author-item" href="/about-the-author/" target="_blank" rel="noopener noreferrer">沉默王二</a></span><span property="author" content="沉默王二"></span></span><span class="date-info" aria-label="写作日期📅" data-balloon-pos="down" isoriginal="false" pageview="false"><svg xmlns="http://www.w3.org/2000/svg" class="icon calendar-icon" viewbox="0 0 1024 1024" fill="currentColor" aria-label="calendar icon"><path d="M716.4 110.137c0-18.753-14.72-33.473-33.472-33.473-18.753 0-33.473 14.72-33.473 33.473v33.473h66.993v-33.473zm-334.87 0c0-18.753-14.72-33.473-33.473-33.473s-33.52 14.72-33.52 33.473v33.473h66.993v-33.473zm468.81 33.52H716.4v100.465c0 18.753-14.72 33.473-33.472 33.473a33.145 33.145 0 01-33.473-33.473V143.657H381.53v100.465c0 18.753-14.72 33.473-33.473 33.473a33.145 33.145 0 01-33.473-33.473V143.657H180.6A134.314 134.314 0 0046.66 277.595v535.756A134.314 134.314 0 00180.6 947.289h669.74a134.36 134.36 0 00133.94-133.938V277.595a134.314 134.314 0 00-133.94-133.938zm33.473 267.877H147.126a33.145 33.145 0 01-33.473-33.473c0-18.752 14.72-33.473 33.473-33.473h736.687c18.752 0 33.472 14.72 33.472 33.473a33.145 33.145 0 01-33.472 33.473z"></path></svg><span>2021年10月22日</span><meta property="datePublished" content="2021-10-22T07:22:10.000Z"></span><span class="category-info" aria-label="分类🌈" data-balloon-pos="down" isoriginal="false" pageview="false"><svg xmlns="http://www.w3.org/2000/svg" class="icon category-icon" viewbox="0 0 1024 1024" fill="currentColor" aria-label="category icon"><path d="M148.41 106.992h282.176c22.263 0 40.31 18.048 40.31 40.31V429.48c0 22.263-18.047 40.31-40.31 40.31H148.41c-22.263 0-40.311-18.047-40.311-40.31V147.302c0-22.263 18.048-40.31 40.311-40.31zM147.556 553.478H429.73c22.263 0 40.311 18.048 40.311 40.31v282.176c0 22.263-18.048 40.312-40.31 40.312H147.555c-22.263 0-40.311-18.049-40.311-40.312V593.79c0-22.263 18.048-40.311 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href="/basic-grammar/operator.html#_01、算数运算符" class="router-link-active router-link-exact-active toc-link level3">01、算数运算符</a></li><li class="toc-item"><a aria-current="page" href="/basic-grammar/operator.html#_02、关系运算符" class="router-link-active router-link-exact-active toc-link level3">02、关系运算符</a></li><li class="toc-item"><a aria-current="page" href="/basic-grammar/operator.html#_03、位运算符" class="router-link-active router-link-exact-active toc-link level3">03、位运算符</a></li><li class="toc-item"><a aria-current="page" href="/basic-grammar/operator.html#_04、逻辑运算符" class="router-link-active router-link-exact-active toc-link level3">04、逻辑运算符</a></li><li class="toc-item"><a aria-current="page" href="/basic-grammar/operator.html#_05、赋值运算符" class="router-link-active router-link-exact-active toc-link level3">05、赋值运算符</a></li><li class="toc-item"><a aria-current="page" href="/basic-grammar/operator.html#_06、三元运算符" class="router-link-active router-link-exact-active toc-link level3">06、三元运算符</a></li></ul></div></aside></div><div class="theme-hope-content"><p>“二哥，让我盲猜一下哈，运算符是不是指的就是加减乘除啊？”三妹的脸上泛着甜甜的笑容，我想她一定对提出的问题很有自信。</p><p>“是的，三妹。运算符在 Java 中占据着重要的位置，对程序的执行有着很大的帮助。除了常见的加减乘除，还有许多其他类型的运算符，来看下面这张思维导图。”</p><p><img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/core-grammar/eleven-01.png" alt=""></p><h3 id="_01、算数运算符" tabindex="-1"><a class="header-anchor" href="#_01、算数运算符" aria-hidden="true">#</a> 01、算数运算符</h3><p>算术运算符除了最常见的加减乘除，还有一个取余的运算符，用于得到除法运算后的余数，来串代码感受下。</p><div class="language-java ext-java line-numbers-mode"><pre class="language-java"><code><span class="token doc-comment comment">/**

* 微信搜索「沉默王二」，回复 Java

*/</span>

<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">ArithmeticOperator</span> <span class="token punctuation">{</span>

<span class="token keyword">public</span> <span class="token keyword">static</span> <span class="token keyword">void</span> <span class="token function">main</span><span class="token punctuation">(</span><span class="token class-name">String</span><span class="token punctuation">[</span><span class="token punctuation">]</span> args<span class="token punctuation">)</span> <span class="token punctuation">{</span>

b <span class="token operator">=</span> <span class="token number">3</span><span class="token punctuation">;</span>

* 微信搜索「沉默王二」，回复 Java

*/</span>

<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">ArithmeticOperator</span> <span class="token punctuation">{</span>

<span class="token keyword">float</span> c <span class="token operator">=</span> <span class="token number">3.0f</span><span class="token punctuation">;</span>

<span class="token keyword">double</span> d <span class="token operator">=</span> <span class="token number">3.0</span><span class="token punctuation">;</span>

System.out.println(0.0 / 0.0); // NaN

</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div></div></div><p>Infinity 的中文意思是无穷大，NaN 的中文意思是这不是一个数字（Not a Number）。</p><p>当整数除以 0 的时候（<code>10 / 0</code>），会抛出异常：</p><div class="language-text ext-text line-numbers-mode"><pre class="language-text"><code>Exception in thread "main" java.lang.ArithmeticException: / by zero

at com.itwanger.eleven.ArithmeticOperator.main(ArithmeticOperator.java:32)

</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div></div></div><p>所以整数在进行除法运算时，需要先判断除数是否为 0，以免程序抛出异常。</p><p>算术运算符中还有两种特殊的运算符，自增运算符（++）和自减运算符（--），它们也叫做一元运算符，只有一个操作数。</p><div class="language-java ext-java line-numbers-mode"><pre class="language-java"><code><span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">UnaryOperator1</span> <span class="token punctuation">{</span>

x <span class="token operator">=</span> <span class="token number">10</span><span class="token punctuation">;</span>

y <span class="token operator">=</span> x<span class="token operator">++</span><span class="token punctuation">;</span>

* 微信搜索「沉默王二」，回复 Java

*/</span>

<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">RelationOperator</span> <span class="token punctuation">{</span>

* 微信搜索「沉默王二」，回复 Java

*/</span>

<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">BitOperator</span> <span class="token punctuation">{</span>

<span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token class-name">Integer</span><span class="token punctuation">.</span><span class="token function">toBinaryString</span><span class="token punctuation">(</span><span class="token number">60</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// 111100</span>

<span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token class-name">Integer</span><span class="token punctuation">.</span><span class="token function">toBinaryString</span><span class="token punctuation">(</span><span class="token number">13</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// 1101</span>

* 微信搜索「沉默王二」，回复 Java

*/</span>

<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">BitOperator</span> <span class="token punctuation">{</span>

<span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">"a 的二进制："</span> <span class="token operator">+</span> <span class="token class-name">Integer</span><span class="token punctuation">.</span><span class="token function">toBinaryString</span><span class="token punctuation">(</span>a<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// 111100</span>

<span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">"b 的二进制："</span> <span class="token operator">+</span> <span class="token class-name">Integer</span><span class="token punctuation">.</span><span class="token function">toBinaryString</span><span class="token punctuation">(</span>b<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// 1101</span>

<span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">"a & b："</span> <span class="token operator">+</span> c <span class="token operator">+</span> <span class="token string">"，二进制是："</span> <span class="token operator">+</span> <span class="token class-name">Integer</span><span class="token punctuation">.</span><span class="token function">toBinaryString</span><span class="token punctuation">(</span>c<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

c <span class="token operator">=</span> a <span class="token operator">|</span> b<span class="token punctuation">;</span>

<span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">"a | b："</span> <span class="token operator">+</span> c <span class="token operator">+</span> <span class="token string">"，二进制是："</span> <span class="token operator">+</span> <span class="token class-name">Integer</span><span class="token punctuation">.</span><span class="token function">toBinaryString</span><span class="token punctuation">(</span>c<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

c <span class="token operator">=</span> a <span class="token operator">^</span> b<span class="token punctuation">;</span>

<span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">"a ^ b："</span> <span class="token operator">+</span> c <span class="token operator">+</span> <span class="token string">"，二进制是："</span> <span class="token operator">+</span> <span class="token class-name">Integer</span><span class="token punctuation">.</span><span class="token function">toBinaryString</span><span class="token punctuation">(</span>c<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

c <span class="token operator">=</span> <span class="token operator">~</span>a<span class="token punctuation">;</span>

<span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">"~a："</span> <span class="token operator">+</span> c <span class="token operator">+</span> <span class="token string">"，二进制是："</span> <span class="token operator">+</span> <span class="token class-name">Integer</span><span class="token punctuation">.</span><span class="token function">toBinaryString</span><span class="token punctuation">(</span>c<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

c <span class="token operator">=</span> a <span class="token operator"><<</span> <span class="token number">2</span><span class="token punctuation">;</span>

<span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">"a << 2："</span> <span class="token operator">+</span> c <span class="token operator">+</span> <span class="token string">"，二进制是："</span> <span class="token operator">+</span> <span class="token class-name">Integer</span><span class="token punctuation">.</span><span class="token function">toBinaryString</span><span class="token punctuation">(</span>c<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

c <span class="token operator">=</span> a <span class="token operator">>></span> <span class="token number">2</span><span class="token punctuation">;</span>

<span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">"a >> 2："</span> <span class="token operator">+</span> c <span class="token operator">+</span> <span class="token string">"，二进制是："</span> <span class="token operator">+</span> <span class="token class-name">Integer</span><span class="token punctuation">.</span><span class="token function">toBinaryString</span><span class="token punctuation">(</span>c<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

c <span class="token operator">=</span> a <span class="token operator">>>></span> <span class="token number">2</span><span class="token punctuation">;</span>

<span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">"a >>> 2："</span> <span class="token operator">+</span> c <span class="token operator">+</span> <span class="token string">"，二进制是："</span> <span class="token operator">+</span> <span class="token class-name">Integer</span><span class="token punctuation">.</span><span class="token function">toBinaryString</span><span class="token punctuation">(</span>c<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

<span class="token keyword">return</span> <span class="token punctuation">(</span>key <span class="token operator">==</span> <span class="token keyword">null</span><span class="token punctuation">)</span> <span class="token operator">?</span> <span class="token number">0</span> <span class="token operator">:</span> <span class="token punctuation">(</span>h <span class="token operator">=</span> key<span class="token punctuation">.</span><span class="token function">hashCode</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token operator">^</span> <span class="token punctuation">(</span>h <span class="token operator">>>></span> <span class="token number">16</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>如果对位运算一点都不懂的话，遇到这样的源码就很吃力。所以说，虽然位运算用的少，但还是要懂。</p><p>1）按位左移运算符：</p><div class="language-java ext-java line-numbers-mode"><pre class="language-java"><code><span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">LeftShiftOperator</span> <span class="token punctuation">{</span>

a<span class="token operator">+=</span><span class="token number">4</span><span class="token punctuation">;</span><span class="token comment">//a=a+4 (a=10+4) </span>

b<span class="token operator">-=</span><span class="token number">4</span><span class="token punctuation">;</span><span class="token comment">//b=b-4 (b=20-4) </span>

<span class="token keyword">short</span> a <span class="token operator">=</span> <span class="token number">10</span><span class="token punctuation">;</span>

<span class="token keyword">short</span> b <span class="token operator">=</span> <span class="token number">10</span><span class="token punctuation">;</span>

<span class="token comment">//a+=b;//a=a+b internally so fine</span>

a <span class="token operator">=</span> <span class="token punctuation">(</span><span class="token keyword">short</span><span class="token punctuation">)</span><span class="token punctuation">(</span>a <span class="token operator">+</span> b<span class="token punctuation">)</span><span class="token punctuation">;</span>

* 微信搜索「沉默王二」，回复 Java

*/</span>

<span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">BigIntMulti</span> <span class="token punctuation">{</span>

<span class="token keyword">int</span> a <span class="token operator">=</span> <span class="token class-name">Integer</span><span class="token punctuation">.</span>MAX_VALUE<span class="token punctuation">;</span>

* 微信搜索「沉默王二」，回复 Java

public class BigIntMulti {

public static void main(String[] args) {

int a = Integer.MAX_VALUE;

int b = 10000;

long c = (long)a * b;

System.out.println(c); // 21474836470000

}

</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h3 id="_06、三元运算符" tabindex="-1"><a class="header-anchor" href="#_06、三元运算符" aria-hidden="true">#</a> 06、三元运算符</h3><p>三元运算符用于替代 if-else，可以使用一行代码完成条件判断的要求。来看示例：</p><div class="language-java ext-java line-numbers-mode"><pre class="language-java"><code><span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">TernaryOperator</span> <span class="token punctuation">{</span>

</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>如果 ? 前面的条件为 true，则结果为 : 前的值，否则为 : 后的值。</p><p>“好了，三妹，关于 Java 运算符就先说这么多吧，你是不是已经清楚了？”转动了一下僵硬的脖子后，我对三妹说。</p><p>“差不多，二哥，我需要写点 demo 练习会。”</p><p><img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" alt=""></p></div><footer class="page-meta"><div class="meta-item edit-link"><a href="https://github.com/itwanger/toBeBetterJavaer/edit/master/docs/basic-grammar/operator.md" rel="noopener noreferrer" target="_blank" aria-label="在 GitHub 上编辑此页" class="nav-link label"><svg xmlns="http://www.w3.org/2000/svg" class="icon edit-icon" viewbox="0 0 1024 1024" fill="currentColor" aria-label="edit icon"><path d="M430.818 653.65a60.46 60.46 0 0 1-50.96-93.281l71.69-114.012 7.773-10.365L816.038 80.138A60.46 60.46 0 0 1 859.225 62a60.46 60.46 0 0 1 43.186 18.138l43.186 43.186a60.46 60.46 0 0 1 0 86.373L588.879 565.55l-8.637 8.637-117.466 68.234a60.46 60.46 0 0 1-31.958 11.229z"></path><path d="M728.802 962H252.891A190.883 190.883 0 0 1 62.008 771.98V296.934a190.883 190.883 0 0 1 190.883-192.61h267.754a60.46 60.46 0 0 1 0 120.92H252.891a69.962 69.962 0 0 0-69.098 69.099V771.98a69.962 69.962 0 0 0 69.098 69.098h475.911A69.962 69.962 0 0 0 797.9 771.98V503.363a60.46 60.46 0 1 1 120.922 0V771.98A190.883 190.883 0 0 1 728.802 962z"></path></svg>在 GitHub 上编辑此页<span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewbox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">open in new window</span></span></a></div><div class="meta-item update-time"><span class="label">上次编辑于: </span><span class="info">2022/7/28 下午1:05:53</span></div><div class="meta-item contributors"><span class="label">贡献者: </span><span class="contributor" title="email: [email protected]">itwanger</span>,<span class="contributor" title="email: [email protected]">沉默王二</span></div></footer><nav class="page-nav"><a href="/basic-grammar/basic-data-type.html" class="nav-link prev" aria-label="Java 中的数据类型"><div class="hint"><span class="arrow left"></span>上一页</div><div class="link">Java 中的数据类型</div></a><a href="/basic-grammar/flow-control.html" class="nav-link next" aria-label="Java流程控制语句"><div class="hint">下一页<span class="arrow right"></span></div><div class="link">Java流程控制语句</div></a></nav><div class="giscus-wrapper input-top" style="display:block;">Loading...</div></main><footer class="footer-wrapper"><div class="footer"><a href="https://beian.miit.gov.cn/" target="_blank">豫ICP备2021038026号-1</a><img src="https://cdn.tobebetterjavaer.com/tobebetterjavaer/images/beian.png" height="15px" width="15px" /><a target="_blank" href="http://www.beian.gov.cn/portal/registerSystemInfo?recordcode=41030502000411"><span>豫公网安备 41030502000411号</span></a></div><div class="copyright">Copyright © 2022 沉默王二</div></footer></div></div>

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