Java中的overload和override的区别

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<h1 class="csdn_top">java中overload与override的区别</h1>
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<span class="time">2016年07月31日 17:28:30</span>
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<div class="markdown_views"><p>1、综述 <br>
　　重写(Override)也称覆盖，它是父类与子类之间多态性的一种表现，而重载(Overload)是一个类中多态性的一种表现。 override从字面就可以知道，它是覆盖了一个方法并且对其重写，以求达到不同的作用。overload它是指我们可以定义一些名称相同的方法，通过定义不同的输入参数来区分这些方法，然后再调用时，VM就会根据不同的参数样式，来选择合适的方法执行。</p>

<p>2、override（重写，覆盖） <br>
（1）方法名、参数、返回值相同。 <br>
（2）子类方法不能缩小父类方法的访问权限。 <br>
（3）子类方法不能抛出比父类方法更多的异常(但子类方法可以不抛出异常)。 <br>
（4）存在于父类和子类之间。 <br>
（5）方法被定义为final不能被重写。 <br>
（6）被覆盖的方法不能为private，否则在其子类中只是新定义了一个方法，并没有对其进行覆盖。</p>

<p>3、overload（重载，过载） <br>
（1）参数类型、个数、顺序至少有一个不相同。 <br>
（2）不能重载只有返回值不同的方法名。 <br>
（3）针对于一个类而言。 <br>
（4）不能通过访问权限、返回类型、抛出的异常进行重载； <br>
（5）方法的异常类型和数目不会对重载造成影响；</p>

<p>4、override应用： <br>
（1）最熟悉的覆盖就是对接口方法的实现，在接口中一般只是对方法进行了声明，而我们在实现时，就需要实现接口声明的所有方法。 <br>
（2）除了这个典型的用法以外，我们在继承中也可能会在子类覆盖父类中的方法。</p>

<p>5、总结 <br>
　　override是在不同类之间的行为，overload是在同一个类中的行为。</p><link rel="stylesheet" href="http://static.blog.csdn.net/public/res-min/markdown_views.css?v=2.0"></div><link rel="stylesheet" href="http://static.blog.csdn.net/public/res-min/markdown_views.css?v=2.0">
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<li class="avatar_img"><a href="http://blog.csdn.net/u012889638" target="_blank" strategy="BlogCommendFromCsdn_9"><img src="http://avatar.csdn.net/6/5/E/2_u012889638.jpg" alt="u012889638" title="u012889638"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/u012889638" target="_blank">u012889638</a></li>
<li class="time">2016-02-23 19:21</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>252</span></li>
</ul>
</dd>
</dl>






<dl class="clearfix csdn-tracking-statistics downloadElement" data-mod="popu_387" data-poputype="feed" data-feed-show="true" data-dsm="post">
<dt><a href="http://download.csdn.net/detail/musical_insect/1507605" target="_blank" strategy="BlogCommendFromCsdn_10"><img class="maxwidth" src="http://download.csdn.net/images/minetype/zip.svg" alt="" title=""></a></dt>
<dd>
<div class="summary">
<h2><a href="http://download.csdn.net/detail/musical_insect/1507605" target="_blank" strategy="BlogCommendFromCsdn_10">重写(override)和重载(overload)的区别</a></h2>
<div class="summary">
<ul>
<li class="time">2009-07-21 17:03</li>
<li class="visited_num fileSize">14KB</li>
<li class="download_btn"><a href="http://download.csdn.net/detail/musical_insect/1507605">下载</a></li>
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</dd>
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<dd>
<h2><a href="/beauxie/article/details/52985663" target="_blank" strategy="BlogCommendFromCsdn_11">java中方法重写(Override)与方法重载(Overload)的区别</a></h2>
<div class="summary">
虽然知道方法重写与方法重载，但总是会忘记具体的区别以及一些细节，所以干脆就写一篇博客记录下来吧。
方法重写(Override)：
       在Java中，子类可继承父类中的方法，而不需要重新编写相...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/BeauXie" target="_blank" strategy="BlogCommendFromCsdn_11"><img src="http://avatar.csdn.net/3/5/D/2_beauxie.jpg" alt="BeauXie" title="BeauXie"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/BeauXie">BeauXie</a></li>
<li class="time">2016-10-31 20:16</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>1083</span></li>
</ul>
</dd>
</dl>

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<dd>
<h2><a href="/sylcc_/article/details/12704425" target="_blank" strategy="BlogCommendFromCsdn_12">java多态性Overload和Override的区别</a></h2>
<div class="summary">
最近看了一下关于java的基础知识，对此作了一下搜集整理: 

java中的继承，方法覆盖（重写）override与方法的重载overload的区别 

方法的重写(Overriding)和重...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/sylcc_" target="_blank" strategy="BlogCommendFromCsdn_12"><img src="http://avatar.csdn.net/A/7/9/2_sylcc_.jpg" alt="sylcc_" title="sylcc_"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/sylcc_">sylcc_</a></li>
<li class="time">2013-10-14 09:26</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>835</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="true" data-dsm="post">
<dd>
<h2><a href="/u012881584/article/details/40562251" target="_blank" strategy="BlogCommendFromCsdn_13">Java面试03--Overload和Override的区别详解</a></h2>
<div class="summary">
总结和整理了一些关于overload和override的区别和联系，有助于更好的对他们的理解和应用

overload（重载） 
1、参数类型、个数、顺序至少有一个不相同。   
...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/u012881584" target="_blank" strategy="BlogCommendFromCsdn_13"><img src="http://avatar.csdn.net/7/7/C/2_u012881584.jpg" alt="u012881584" title="u012881584"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/u012881584">u012881584</a></li>
<li class="time">2014-10-28 23:42</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>760</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="true" data-dsm="post">
<dd>
<h2><a href="/emira_j/article/details/51198090" target="_blank" strategy="BlogCommendFromCsdn_14">JAVA中的基础-----重载与重写（覆盖）的区别：overload与override</a></h2>
<div class="summary">
JAVA中多态的实现机制主要通过overload和override实现。
1)方法的重载：简言之，就是指同一个类有多个同名的方法，这些方法拥有不同的参数（同名不同参）。可以认为是类中方法的多态性，也称...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/Emira_J" target="_blank" strategy="BlogCommendFromCsdn_14"><img src="http://avatar.csdn.net/0/E/1/2_emira_j.jpg" alt="Emira_J" title="Emira_J"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/Emira_J">Emira_J</a></li>
<li class="time">2016-04-20 10:21</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>511</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="true" data-dsm="post">
<dd>
<h2><a href="/liletian2104/article/details/34414371" target="_blank" strategy="BlogCommendFromCsdn_15">Java学习--overload和override的区别</a></h2>
<div class="summary">
Overload是重载的意思，Override是覆盖的意思，也就是重写。重载Overload表示同一个类中可以有多个名称相同的方法，但这些方法的参数列表各不相同（即参数个数或类型不同）。重写Overr...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/liletian2104" target="_blank" strategy="BlogCommendFromCsdn_15"><img src="http://avatar.csdn.net/1/B/0/2_liletian2104.jpg" alt="liletian2104" title="liletian2104"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/liletian2104">liletian2104</a></li>
<li class="time">2014-06-25 09:43</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>219</span></li>
</ul>
</dd>
</dl>

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<dd>
<h2><a href="/tao880314/article/details/7627634" target="_blank" strategy="BlogCommendFromCsdn_16">java中的Overload（重载）和Override（重写）的区别（二）</a></h2>
<div class="summary">
Overload是重载的意思，Override是覆盖的意思，也就是重写。
重载Overload表示同一个类中可以有多个名称相同的方法，但这些方法的参数列表各不相同（即参数个数或类型不同）。
重写O...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/tao880314" target="_blank" strategy="BlogCommendFromCsdn_16"><img src="http://avatar.csdn.net/F/6/F/2_tao880314.jpg" alt="tao880314" title="tao880314"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/tao880314">tao880314</a></li>
<li class="time">2012-06-03 11:06</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>685</span></li>
</ul>
</dd>
</dl>

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<dd>
<h2><a href="/love284969214/article/details/7231222" target="_blank" strategy="BlogCommendFromCsdn_17">java 张孝祥（9） overload与override的区别</a></h2>
<div class="summary">
----------- android培训、java培训、期待与您交流！
首先从概念上，
重载Overload：表示同一个类中可以有多个名称相同的方法，但这些方法的参数列表各不相同（即参数个数或类型不...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/love284969214" target="_blank" strategy="BlogCommendFromCsdn_17"><img src="http://avatar.csdn.net/D/3/A/2_love284969214.jpg" alt="love284969214" title="love284969214"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/love284969214">love284969214</a></li>
<li class="time">2012-02-03 14:02</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>1573</span></li>
</ul>
</dd>
</dl>

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<dd>
<h2><a href="/yannwpu/article/details/40351165" target="_blank" strategy="BlogCommendFromCsdn_18">java多态性Overload和Override的区别</a></h2>
<div class="summary">
zhuanze
java中的继承，方法覆盖（重写）override与方法的重载overload的区别 

方法的重写(Overriding)和重载(Overloading)是Java多态性的不同...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/yannwpu" target="_blank" strategy="BlogCommendFromCsdn_18"><img src="http://avatar.csdn.net/0/2/A/2_yannwpu.jpg" alt="yannwpu" title="yannwpu"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/yannwpu">yannwpu</a></li>
<li class="time">2014-10-21 20:48</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>376</span></li>
</ul>
</dd>
</dl>

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<dd>
<h2><a href="/partner4java/article/details/7187846" target="_blank" strategy="BlogCommendFromCsdn_19">Overload和Override的区别。Overloaded的方法是否可以改变返回值的类型?</a></h2>
<div class="summary">
Overload是重载的意思，Override是覆盖的意思，也就是重写。
重载Overload表示同一个类中可以有多个名称相同的方法，但这些方法的参数列表各不相同（即参数个数或类型不同）。
重写O...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/partner4java" target="_blank" strategy="BlogCommendFromCsdn_19"><img src="http://avatar.csdn.net/E/3/2/2_partner4java.jpg" alt="partner4java" title="partner4java"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/partner4java">partner4java</a></li>
<li class="time">2012-01-09 16:41</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>3393</span></li>
</ul>
</dd>
</dl>

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<dd>
<h2><a href="/raiven2008/article/details/42886395" target="_blank" strategy="BlogCommendFromCsdn_20">重载(overload)，覆盖(override),隐藏(hide)的区别</a></h2>
<div class="summary">
重载(overload)，覆盖(override),隐藏(hide)。在早期的C++书籍中，可能翻译的人不熟悉专业用语（也不能怪他们，他们不是搞计算机编程的，他们是英语专业的），常常把重载
(over...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/raiven2008" target="_blank" strategy="BlogCommendFromCsdn_20"><img src="http://avatar.csdn.net/5/D/C/2_raiven2008.jpg" alt="raiven2008" title="raiven2008"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/raiven2008">raiven2008</a></li>
<li class="time">2015-01-19 22:38</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>210</span></li>
</ul>
</dd>
</dl>

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<dd>
<h2><a href="/t1008/article/details/37692611" target="_blank" strategy="BlogCommendFromCsdn_21">overload与override的区别</a></h2>
<div class="summary">
override（重写，覆盖）
1、方法名、参数、返回值相同。
2、子类方法不能缩小父类方法的访问权限。
3、子类方法不能抛出比父类方法更多的异常(但子类方法可以不抛出异常)。
4、存...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/T1008" target="_blank" strategy="BlogCommendFromCsdn_21"><img src="http://avatar.csdn.net/4/6/C/2_t1008.jpg" alt="T1008" title="T1008"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/T1008">T1008</a></li>
<li class="time">2014-07-11 11:13</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>230</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="true" data-dsm="post">
<dd>
<h2><a href="/j2eevic/article/details/6235469" target="_blank" strategy="BlogCommendFromCsdn_22">Overload和Override的区别</a></h2>
<div class="summary">
override可以翻译为覆盖，从字面就可以知道，它是覆盖了一个方法并且对其重写，以求达到不同的作用。对我们来说最熟悉的覆盖就是对接口方法的实现，在接口中一般只是对方法进行了声明，而我们在实现时，就需...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/j2eevic" target="_blank" strategy="BlogCommendFromCsdn_22"><img src="http://avatar.csdn.net/B/A/F/2_j2eevic.jpg" alt="j2eevic" title="j2eevic"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/j2eevic">j2eevic</a></li>
<li class="time">2011-03-09 23:08</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>627</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="true" data-dsm="post">
<dd>
<h2><a href="/guyue35/article/details/45666657" target="_blank" strategy="BlogCommendFromCsdn_23">C++学习之多态及重载(overload)，覆盖(override)，隐藏(hide)的区别</a></h2>
<div class="summary">
C++学习之多态及重载(overload)，覆盖(override)，隐藏(hide)的区别

C++编程语言是一款应用广泛，支持多种程序设计的计算机编程语言。我们今天就会为大...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/guyue35" target="_blank" strategy="BlogCommendFromCsdn_23"><img src="http://avatar.csdn.net/3/8/A/2_guyue35.jpg" alt="guyue35" title="guyue35"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/guyue35">guyue35</a></li>
<li class="time">2015-05-12 10:51</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>383</span></li>
</ul>
</dd>
</dl>

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<dd>
<h2><a href="/u010923921/article/details/50804190" target="_blank" strategy="BlogCommendFromCsdn_24">overload与override的区别</a></h2>
<div class="summary">
overload与override的区别

override（重写，覆盖） 
1、方法名、参数、返回值相同。 
2、子类方法不能缩小父类方法的访问权限。 
3、子类方法不能抛出比父类方法更多的异...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/u010923921" target="_blank" strategy="BlogCommendFromCsdn_24"><img src="http://avatar.csdn.net/8/6/0/2_u010923921.jpg" alt="u010923921" title="u010923921"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/u010923921">u010923921</a></li>
<li class="time">2016-03-04 17:16</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>122</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="true" data-dsm="post">
<dd>
<h2><a href="/dong53821713/article/details/38896599" target="_blank" strategy="BlogCommendFromCsdn_25">黑马程序员-overload和override的区别</a></h2>
<div class="summary">
Class类的定义方法
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/dong53821713" target="_blank" strategy="BlogCommendFromCsdn_25"><img src="http://avatar.csdn.net/2/9/2/2_dong53821713.jpg" alt="dong53821713" title="dong53821713"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/dong53821713">dong53821713</a></li>
<li class="time">2014-08-28 20:49</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>285</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="true" data-dsm="post">
<dd>
<h2><a href="/harrytsz/article/details/61920216" target="_blank" strategy="BlogCommendFromCsdn_26">重载（overload）和覆盖（override）有什么区别（终结篇）</a></h2>
<div class="summary">
重载（overload）和覆盖（override）是Java多态性的不同表现方式。其中，重载是在一个类中多态性的一种表现，是指在一个类中定义了多个同名的方法，它们或有不同的参数个数或有不同的参数类型，...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/Harrytsz" target="_blank" strategy="BlogCommendFromCsdn_26"><img src="http://avatar.csdn.net/C/F/E/2_harrytsz.jpg" alt="Harrytsz" title="Harrytsz"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/Harrytsz">Harrytsz</a></li>
<li class="time">2017-03-13 16:20</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>139</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="true" data-dsm="post">
<dd>
<h2><a href="/happywq2009/article/details/45014511" target="_blank" strategy="BlogCommendFromCsdn_27">C++中重载（overload)、重写(override，也叫做“覆盖”）和重定义(redefine)的区别？</a></h2>
<div class="summary">
1）重载（overload）：
指函数名相同，但是它的参数表列个数或顺序，类型不同。但是不能靠返回类型来判断。
   a 相同的范围（在同一个类中）
   b 函数名字相同、参数不同
   ...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/happywq2009" target="_blank" strategy="BlogCommendFromCsdn_27"><img src="http://avatar.csdn.net/E/7/9/2_happywq2009.jpg" alt="happywq2009" title="happywq2009"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/happywq2009">happywq2009</a></li>
<li class="time">2015-04-12 21:52</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>339</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="true" data-dsm="post">
<dd>
<h2><a href="/titer1/article/details/71130816" target="_blank" strategy="BlogCommendFromCsdn_28">重载(overload)，覆盖(override),隐藏(hide)的区别</a></h2>
<div class="summary">
重载重写隐藏 overwrite overload hide
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/titer1" target="_blank" strategy="BlogCommendFromCsdn_28"><img src="http://avatar.csdn.net/8/0/2/2_titer1.jpg" alt="titer1" title="titer1"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/titer1">titer1</a></li>
<li class="time">2017-05-03 17:42</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>200</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="true" data-dsm="post">
<dd>
<h2><a href="/xhu_eternalcc/article/details/22323865" target="_blank" strategy="BlogCommendFromCsdn_29">C++学习之多态及重载(overload)，覆盖(override)，隐藏(hide)的区别</a></h2>
<div class="summary">
C++编程语言是一款应用广泛，支持多种程序设计的计算机编程语言。我们今天就会为大家详细介绍其中C++多态性的一些基本知识，以方便大家在学习过程中对此能够有一个充分的掌握。
　　多态性可以简单地概括为...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/xhu_eternalcc" target="_blank" strategy="BlogCommendFromCsdn_29"><img src="http://avatar.csdn.net/F/E/A/2_xhu_eternalcc.jpg" alt="xhu_eternalcc" title="xhu_eternalcc"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/xhu_eternalcc">xhu_eternalcc</a></li>
<li class="time">2014-03-27 21:48</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>1401</span></li>
</ul>
</dd>
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<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="true" data-dsm="post">
<dd>
<h2><a href="/a431261/article/details/30336961" target="_blank" strategy="BlogCommendFromCsdn_30">overload与override的区别太详细了</a></h2>
<div class="summary">
override（重写，覆盖） 
1、方法名、参数、返回值相同。 
2、子类方法不能缩小父类方法的访问权限。 
3、子类方法不能抛出比父类方法更多的异常(但子类方法可以不抛出异常)。 
4、存...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/a431261" target="_blank" strategy="BlogCommendFromCsdn_30"><img src="http://avatar.csdn.net/B/0/8/2_a431261.jpg" alt="a431261" title="a431261"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/a431261">a431261</a></li>
<li class="time">2014-06-12 23:03</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>199</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="true" data-dsm="post">
<dd>
<h2><a href="/syy0377/article/details/12561785" target="_blank" strategy="BlogCommendFromCsdn_31">Overload和Override的区别</a></h2>
<div class="summary">
Overload和Override的区别。Overloaded的方法是否可以改变返回值的类型?

Overload是重载的意思，Override是覆盖的意思，也就是重写。
重载Overload表示同...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/syy0377" target="_blank" strategy="BlogCommendFromCsdn_31"><img src="http://avatar.csdn.net/4/E/F/2_syy0377.jpg" alt="syy0377" title="syy0377"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/syy0377">syy0377</a></li>
<li class="time">2013-10-10 11:23</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>569</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="true" data-dsm="post">
<dd>
<h2><a href="/get_more/article/details/76146178" target="_blank" strategy="BlogCommendFromCsdn_32">Overload和Override的区别</a></h2>
<div class="summary">
Overload（重载）和Override（重写）是Java多态性的不同表现。其中重载是在一个类中的一种表现，是在一个类中定义了多个同名的方法，他们或者有不同的参数类型或者不同的参数个数。使用重载注意...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/Get_More" target="_blank" strategy="BlogCommendFromCsdn_32"><img src="http://avatar.csdn.net/A/7/D/2_get_more.jpg" alt="Get_More" title="Get_More"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/Get_More">Get_More</a></li>
<li class="time">2017-07-26 14:45</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>93</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="true" data-dsm="post">
<dd>
<h2><a href="/ycwol/article/details/40078269" target="_blank" strategy="BlogCommendFromCsdn_33">overload和override的区别</a></h2>
<div class="summary">
override（重写） 
1、方法名、参数、返回值相同。
2、子类方法不能缩小父类方法的访问权限。
3、子类方法不能抛出比父类方法更多的异常(但子类方法可以不抛出异常)。
4、存在于父类和子类之间。...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/yan309271291" target="_blank" strategy="BlogCommendFromCsdn_33"><img src="http://avatar.csdn.net/4/C/A/2_yan309271291.jpg" alt="yan309271291" title="yan309271291"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/yan309271291">yan309271291</a></li>
<li class="time">2014-10-16 17:41</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>665</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="true" data-dsm="post">
<dd>
<h2><a href="/chwshuang/article/details/46943761" target="_blank" strategy="BlogCommendFromCsdn_34">Override和Overload的区别</a></h2>
<div class="summary">
Override和Overload的区别？Overloaded的方法是否可以改变返回值的类型？

     （1）方法的重写Override和重载Overload是Java多态性的不同表现。

...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/chwshuang" target="_blank" strategy="BlogCommendFromCsdn_34"><img src="http://avatar.csdn.net/A/F/A/2_chwshuang.jpg" alt="chwshuang" title="chwshuang"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/chwshuang">chwshuang</a></li>
<li class="time">2015-07-18 16:39</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>656</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="true" data-dsm="post">
<dd>
<h2><a href="/xingjiyuan26/article/details/49509971" target="_blank" strategy="BlogCommendFromCsdn_35">overload与override的区别</a></h2>
<div class="summary">
原文地址：http://www.cnblogs.com/whgw/archive/2011/10/01/2197083.html
override（重写，覆盖） 
1、方法名、参数、返回值相同。 ...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/xingjiyuan26" target="_blank" strategy="BlogCommendFromCsdn_35"><img src="http://avatar.csdn.net/5/3/F/2_xingjiyuan26.jpg" alt="xingjiyuan26" title="xingjiyuan26"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/xingjiyuan26">xingjiyuan26</a></li>
<li class="time">2015-10-30 13:15</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>202</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="true" data-dsm="post">
<dd>
<h2><a href="/jszhangyili/article/details/7570311" target="_blank" strategy="BlogCommendFromCsdn_36">C++中 overload 、override、overwrite 之间的区别</a></h2>
<div class="summary">
Overload、Overwrite和Override的概念比较容易混淆，而且Overwrite和Override的中文翻译五花八门，让人很Confuse，顾保持英文原意：

Overload  ...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/jszhangyili" target="_blank" strategy="BlogCommendFromCsdn_36"><img src="http://avatar.csdn.net/D/B/1/2_jszhangyili.jpg" alt="jszhangyili" title="jszhangyili"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/jszhangyili">jszhangyili</a></li>
<li class="time">2012-05-15 20:43</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>14319</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="true" data-dsm="post">
<dd>
<h2><a href="/hxiaohai/article/details/43561481" target="_blank" strategy="BlogCommendFromCsdn_37">override 与overload 的区别(By gnuhpc)</a></h2>
<div class="summary">
方法的重写(Overriding)和重载(Overloading)是Java多态性的不同表现。  
重写(Overriding)是父类与子类之间多态性的一种表现，而重载(Overloading)是...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/hxiaohai" target="_blank" strategy="BlogCommendFromCsdn_37"><img src="http://avatar.csdn.net/8/D/7/2_hxiaohai.jpg" alt="hxiaohai" title="hxiaohai"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/hxiaohai">hxiaohai</a></li>
<li class="time">2015-02-06 10:48</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>258</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="true" data-dsm="post">
<dd>
<h2><a href="/yang_lang/article/details/6172439" target="_blank" strategy="BlogCommendFromCsdn_38">C++中重写（override）与重载（overload）的区别</a></h2>
<div class="summary">
override是指在不同作用域中，多个函数原型完全一
样，而实现却不同的函数。在C++中，经常发生在类的继承中。当基类中的某个方法是virtual或pure
virtual函数时（当然访问权限...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/yang_lang" target="_blank" strategy="BlogCommendFromCsdn_38"><img src="http://avatar.csdn.net/6/4/8/2_yang_lang.jpg" alt="yang_lang" title="yang_lang"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/yang_lang">yang_lang</a></li>
<li class="time">2011-02-04 11:44</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>527</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="true" data-dsm="post">
<dd>
<h2><a href="/elizabethxxy/article/details/44410371" target="_blank" strategy="BlogCommendFromCsdn_39">override重写和overload重载的区别</a></h2>
<div class="summary">
override重写和overload重载的区别
 (资料来源于本人在网络上各种搜索后做的笔记，最初是供本人工作学习需要时参考。如果侵犯了谁的著作权，麻烦告知一下原始链接，我好在这里贴上，谢谢！) ...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/elizabethxxy" target="_blank" strategy="BlogCommendFromCsdn_39"><img src="http://avatar.csdn.net/F/7/4/2_elizabethxxy.jpg" alt="elizabethxxy" title="elizabethxxy"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/elizabethxxy">elizabethxxy</a></li>
<li class="time">2015-03-18 14:54</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>185</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="true" data-dsm="post">
<dd>
<h2><a href="/u010445297/article/details/60781105" target="_blank" strategy="BlogCommendFromCsdn_40">Overload和Override的区别</a></h2>
<div class="summary">
从字面意思上理解，Overload是重载的意思，Override是覆盖的意思，也就是重写。         重载Overload表示同一个类中可以有多个名称相同的方法，但这些方法的参数列表各不相同（即...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/u010445297" target="_blank" strategy="BlogCommendFromCsdn_40"><img src="http://avatar.csdn.net/6/1/0/2_u010445297.jpg" alt="u010445297" title="u010445297"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/u010445297">u010445297</a></li>
<li class="time">2017-03-07 22:09</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>479</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="false" data-dsm="post">
<dd>
<h2><a href="/yongjiandan/article/details/7295212" target="_blank" strategy="BlogCommendFromCsdn_41">OverLoad与override的区别</a></h2>
<div class="summary">
首先从概念上，
重载Overload：表示同一个类中可以有多个名称相同的方法，但这些方法的参数列表各不相同（即参数个数或类型不同）。
覆盖Override：表示子类中的方法可以与父类中的某个方法的...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/yongjiandan" target="_blank" strategy="BlogCommendFromCsdn_41"><img src="http://avatar.csdn.net/C/7/0/2_yongjiandan.jpg" alt="yongjiandan" title="yongjiandan"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/yongjiandan">yongjiandan</a></li>
<li class="time">2012-02-26 12:37</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>182</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="false" data-dsm="post">
<dd>
<h2><a href="/daiyy0921/article/details/6789608" target="_blank" strategy="BlogCommendFromCsdn_42">Overload和Override的区别</a></h2>
<div class="summary">
Overload和Override的区别。Overloaded的方法是否可以改变返回值的类型?
Overload是重载的意思，Override是覆盖的意思，也就是重写。
重载Overload表示...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/daiyy0921" target="_blank" strategy="BlogCommendFromCsdn_42"><img src="http://avatar.csdn.net/2/2/C/2_daiyy0921.jpg" alt="daiyy0921" title="daiyy0921"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/daiyy0921">daiyy0921</a></li>
<li class="time">2011-09-19 12:15</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>272</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="false" data-dsm="post">
<dd>
<h2><a href="/baidu_31337243/article/details/48474849" target="_blank" strategy="BlogCommendFromCsdn_43">面试题_overload与override的区别</a></h2>
<div class="summary">
override（重写，覆盖）
1、方法名、参数、返回值相同。
2、子类方法不能缩小父类方法的访问权限。
3、子类方法不能抛出比父类方法更多的异常(但子类方法可以不抛出异常)。
4、存在于父类...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/baidu_31337243" target="_blank" strategy="BlogCommendFromCsdn_43"><img src="http://avatar.csdn.net/5/3/5/2_baidu_31337243.jpg" alt="baidu_31337243" title="baidu_31337243"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/baidu_31337243">baidu_31337243</a></li>
<li class="time">2015-09-15 21:17</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>332</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="false" data-dsm="post">
<dd>
<h2><a href="/sun_x_t/article/details/9496211" target="_blank" strategy="BlogCommendFromCsdn_44">重载（overload）覆盖（override）与隐藏的区别</a></h2>
<div class="summary">
谈谈重载（overload）覆盖（override）与隐藏 
 转自http://blog.csdn.net/yanjun_1982/archive/2005/09/02/470405.aspx
...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/sun_x_t" target="_blank" strategy="BlogCommendFromCsdn_44"><img src="http://avatar.csdn.net/2/4/C/2_sun_x_t.jpg" alt="sun_x_t" title="sun_x_t"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/sun_x_t">sun_x_t</a></li>
<li class="time">2013-07-26 15:11</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>535</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="false" data-dsm="post">
<dd>
<h2><a href="/zhongyuangong521/article/details/37567669" target="_blank" strategy="BlogCommendFromCsdn_45">今天学习了 override （重写）和overload（重载）的区别</a></h2>
<div class="summary">
覆写（Override）的两个函数的函数特征相同
重载（Overload）的两个函数的函数名虽然相同，但函数特征不同。
函数特征包括函数名，参数的类型和个数。

Override 是在继承的时候，如果...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/zhongyuangong521" target="_blank" strategy="BlogCommendFromCsdn_45"><img src="http://avatar.csdn.net/E/6/4/2_zhongyuangong521.jpg" alt="zhongyuangong521" title="zhongyuangong521"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/zhongyuangong521">zhongyuangong521</a></li>
<li class="time">2014-07-08 17:04</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>210</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="false" data-dsm="post">
<dd>
<h2><a href="/hodsql/article/details/12390963" target="_blank" strategy="BlogCommendFromCsdn_46">Overload 和 Override 的区别</a></h2>
<div class="summary">
Overload 是重载的意思， Override 是覆盖的意思，也就是重写。
    重载 Overload 表示同一个类中可以有多个名称相同的方法，但这些方法的参数列表
各不相同（即参数个数或...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/u011293924" target="_blank" strategy="BlogCommendFromCsdn_46"><img src="http://avatar.csdn.net/7/4/C/2_u011293924.jpg" alt="u011293924" title="u011293924"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/u011293924">u011293924</a></li>
<li class="time">2013-10-07 16:17</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>261</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="false" data-dsm="post">
<dd>
<h2><a href="/lionghua/article/details/38405065" target="_blank" strategy="BlogCommendFromCsdn_47">C++ overload 、override、overwrite 之间的区别</a></h2>
<div class="summary">
Overload、Overwrite和Override的概念比较容易混淆，而且Overwrite和Override的中文翻译五花八门，让人很Confuse，顾保持英文原意：

Overload  ...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/lionghua" target="_blank" strategy="BlogCommendFromCsdn_47"><img src="http://avatar.csdn.net/C/2/2/2_lionghua.jpg" alt="lionghua" title="lionghua"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/lionghua">lionghua</a></li>
<li class="time">2014-08-06 18:20</li>
<li class="visited_num"><i class="icon iconfont icon-read"></i><span>232</span></li>
</ul>
</dd>
</dl>

<dl class="clearfix csdn-tracking-statistics" data-mod="popu_387" data-poputype="feed" data-feed-show="false" data-dsm="post">
<dd>
<h2><a href="/qianwenzhi/article/details/50920670" target="_blank" strategy="BlogCommendFromCsdn_48">Overload和Override的区别。Overloaded的方法是否可以改变返回值的类型?</a></h2>
<div class="summary">
override可以翻译为覆盖，从字面就可以知道，它是覆盖了一个方法并且对其重写，以求达到不同的作用。对我们来说最熟悉的覆盖就是对接口方法的实现，在接口中一般只是对方法进行了声明，而我们在实现时，就需...
</div>
<ul>
<li class="avatar_img"><a href="http://blog.csdn.net/qianwenzhi" target="_blank" strategy="BlogCommendFromCsdn_48"><img src="http://avatar.csdn.net/1/E/6/2_qianwenzhi.jpg" alt="qianwenzhi" title="qianwenzhi"></a></li>
<li class="user_name"><a href="http://blog.csdn.net/qianwenzhi">qianwenzhi</a></li>
<li class="time">2016-03-18 09:44</li>
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Overload是重载的意思，Override是覆盖的意思，也就是重写。

重载Overload表示同一个类中可以有多个名称相同的方法，但这些方法的参数列表各不相同（即参数个数或类型不同）。
重...
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overload与override的区别

override（重写，覆盖） 
1、方法名、参数、返回值相同。 
2、子类方法不能缩小父类方法的访问权限。 
3、子类方法不能抛出比父类方法更多的异...
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【C/C++】概念：重载(overload)，覆盖(override),隐藏(hide)的区别  

2010-10-29 09:27:36|  分类： C
/ C++|字号 订阅

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