java中的匿名内部类总结
发布时间：2020-12-14 06:37:48 所属栏目：Java 来源：网络整理
导读：转载地址： p style="margin:10px auto; padding-top:0px; padding-bottom:0px; font-family:'Helvetica Neue',Helvetica,Arial,sans-serif; font-size:13px" 匿名内部类也就是没有名字的内部类 p style="margin:10px auto; padding-top:0px; padding-bottom
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转载地址： <p style="margin:10px auto; padding-top:0px; padding-bottom:0px; font-family:'Helvetica Neue',Helvetica,Arial,sans-serif; font-size:13px"> <p style="margin:10px auto; padding-top:0px; padding-bottom:0px; font-family:'Helvetica Neue',sans-serif; font-size:13px"> 正因为没有名字，所以匿名内部类只能使用一次，它通常用来简化代码编写 <p style="margin:10px auto; padding-top:0px; padding-bottom:0px; font-family:'Helvetica Neue',sans-serif; font-size:13px"> 但使用匿名内部类还有个前提条件：必须继承一个父类或实现一个接口 <p style="margin:10px auto; padding-top:0px; padding-bottom:0px; font-family:'Helvetica Neue',sans-serif; font-size:13px"> ? <h4 style="margin:10px 0px; padding:0px; font-size:14px; color:rgb(51,51,51); font-family:'Helvetica Neue',sans-serif"> 实例1:不使用匿名内部类来实现抽象方法 <div class="cnblogs_Highlighter sh-gutter" style="margin:0px; padding:0px; font-family:'Helvetica Neue',sans-serif; font-size:13px"> <div style="margin:0px; padding:0px"> <div id="highlighter_908888" class="syntaxhighlighter java" style="padding:0px; margin:1em 0px!important; width:100%!important; position:relative!important; overflow:auto!important; font-size:1em!important"> <table border="0" cellpadding="0" cellspacing="0" style="border-collapse:collapse; border-spacing:0px; word-break:break-word; margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:100%!important; font-family:Consolas,'Bitstream Vera Sans Mono','Courier New',Courier,monospace!important; font-size:12px!important; min-height:inherit!important"><tbody style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; min-height:inherit!important"><tr style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; min-height:inherit!important"> <td class="gutter" style="border-collapse:collapse; margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:35px!important; font-family:Consolas,monospace!important; min-height:inherit!important; color:rgb(175,175,175)!important"> <div class="line number1 index0 alt2" style="margin:0px!important; padding:0px 0.5em!important; background-color:rgb(244,244,244)!important; border-width:0px 2px 0px 0px!important; border-right-style:solid!important; border-right-color:rgb(108,226,108)!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.8em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; text-align:right!important; top:auto!important; vertical-align:baseline!important; width:auto!important; min-height:inherit!important; white-space:nowrap!important"> 1 <div class="line number2 index1 alt1" style="margin:0px!important; padding:0px 0.5em!important; border-width:0px 2px 0px 0px!important; border-right-style:solid!important; border-right-color:rgb(108,108)!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.8em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; text-align:right!important; top:auto!important; vertical-align:baseline!important; width:auto!important; min-height:inherit!important; white-space:nowrap!important"> 2 <div class="line number3 index2 alt2" style="margin:0px!important; padding:0px 0.5em!important; background-color:rgb(244,108)!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.8em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; text-align:right!important; top:auto!important; vertical-align:baseline!important; width:auto!important; min-height:inherit!important; white-space:nowrap!important"> 3 <div class="line number4 index3 alt1" style="margin:0px!important; padding:0px 0.5em!important; border-width:0px 2px 0px 0px!important; border-right-style:solid!important; border-right-color:rgb(108,108)!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.8em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; text-align:right!important; top:auto!important; vertical-align:baseline!important; width:auto!important; min-height:inherit!important; white-space:nowrap!important"> 4 <div class="line number5 index4 alt2" style="margin:0px!important; padding:0px 0.5em!important; background-color:rgb(244,108)!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.8em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; text-align:right!important; top:auto!important; vertical-align:baseline!important; width:auto!important; min-height:inherit!important; white-space:nowrap!important"> 5 <div class="line number6 index5 alt1" style="margin:0px!important; padding:0px 0.5em!important; border-width:0px 2px 0px 0px!important; border-right-style:solid!important; border-right-color:rgb(108,108)!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.8em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; text-align:right!important; top:auto!important; vertical-align:baseline!important; width:auto!important; min-height:inherit!important; white-space:nowrap!important"> 6 <div class="line number7 index6 alt2" style="margin:0px!important; padding:0px 0.5em!important; background-color:rgb(244,108)!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.8em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; text-align:right!important; top:auto!important; vertical-align:baseline!important; width:auto!important; min-height:inherit!important; white-space:nowrap!important"> 7 <div class="line number8 index7 alt1" style="margin:0px!important; padding:0px 0.5em!important; border-width:0px 2px 0px 0px!important; border-right-style:solid!important; border-right-color:rgb(108,108)!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.8em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; text-align:right!important; top:auto!important; vertical-align:baseline!important; width:auto!important; min-height:inherit!important; white-space:nowrap!important"> 8 <div class="line number9 index8 alt2" style="margin:0px!important; padding:0px 0.5em!important; background-color:rgb(244,108)!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.8em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; text-align:right!important; top:auto!important; vertical-align:baseline!important; width:auto!important; min-height:inherit!important; white-space:nowrap!important"> 9 <div class="line number10 index9 alt1" style="margin:0px!important; padding:0px 0.5em!important; border-width:0px 2px 0px 0px!important; border-right-style:solid!important; border-right-color:rgb(108,108)!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.8em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; text-align:right!important; top:auto!important; vertical-align:baseline!important; width:auto!important; min-height:inherit!important; white-space:nowrap!important"> 10 <div class="line number11 index10 alt2" style="margin:0px!important; padding:0px 0.5em!important; background-color:rgb(244,108)!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.8em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; text-align:right!important; top:auto!important; vertical-align:baseline!important; width:auto!important; min-height:inherit!important; white-space:nowrap!important"> 11 <div class="line number12 index11 alt1" style="margin:0px!important; padding:0px 0.5em!important; border-width:0px 2px 0px 0px!important; border-right-style:solid!important; border-right-color:rgb(108,108)!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.8em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; text-align:right!important; top:auto!important; vertical-align:baseline!important; width:auto!important; min-height:inherit!important; white-space:nowrap!important"> 12 <div class="line number13 index12 alt2" style="margin:0px!important; padding:0px 0.5em!important; background-color:rgb(244,108)!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.8em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; text-align:right!important; top:auto!important; vertical-align:baseline!important; width:auto!important; min-height:inherit!important; white-space:nowrap!important"> 13 <div class="line number14 index13 alt1" style="margin:0px!important; padding:0px 0.5em!important; border-width:0px 2px 0px 0px!important; border-right-style:solid!important; border-right-color:rgb(108,108)!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.8em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; text-align:right!important; top:auto!important; vertical-align:baseline!important; width:auto!important; min-height:inherit!important; white-space:nowrap!important"> 14 <div class="line number15 index14 alt2" style="margin:0px!important; padding:0px 0.5em!important; background-color:rgb(244,108)!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.8em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; text-align:right!important; top:auto!important; vertical-align:baseline!important; width:auto!important; min-height:inherit!important; white-space:nowrap!important"> 15 <div class="line number16 index15 alt1" style="margin:0px!important; padding:0px 0.5em!important; border-width:0px 2px 0px 0px!important; border-right-style:solid!important; border-right-color:rgb(108,108)!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.8em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; text-align:right!important; top:auto!important; vertical-align:baseline!important; width:auto!important; min-height:inherit!important; white-space:nowrap!important"> 16 </td> <td class="code" style="border-collapse:collapse; margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,monospace!important; min-height:inherit!important"> <div class="container" style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.1em!important; outline:0px!important; overflow:visible!important; position:relative!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; min-height:inherit!important"> <div class="line number1 index0 alt2" style="margin:0px!important; padding:0px 1em!important; background-color:rgb(244,244)!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.8em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; min-height:inherit!important; white-space:nowrap!important"> <code class="java keyword" style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.8em!important; outline:0px!important; overflow:visible!important; position:static!important; right:auto!important; top:auto!important; vertical-align:baseline!important; width:auto!important; font-family:Consolas,monospace!important; min-height:inherit!important; color:rgb(0,255)!important">abstract?<code class="java keyword" style="margin:0px!important; padding:0px!important; border:0px!important; bottom:auto!important; float:none!important; height:auto!important; left:auto!important; line-height:1.8em!important; outline:0px!important; 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