{"id":4104,"date":"2024-04-18T08:54:14","date_gmt":"2024-04-18T00:54:14","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/index.php\/%e9%9d%a2%e8%af%95\/%e9%9d%a2%e8%af%95%e5%ae%98%ef%bc%9a%e5%9c%a8java%e4%b8%ad%ef%bc%8c%e5%93%aa%e4%ba%9b%e5%b8%b8%e8%a7%81%e7%9a%84%e5%9c%ba%e6%99%af%e5%8f%af%e8%83%bd%e4%bc%9a%e5%af%bc%e8%87%b4%e5%86%85%e5%ad%98\/"},"modified":"2024-04-18T08:54:14","modified_gmt":"2024-04-18T00:54:14","slug":"%e9%9d%a2%e8%af%95%e5%ae%98%ef%bc%9a%e5%9c%a8java%e4%b8%ad%ef%bc%8c%e5%93%aa%e4%ba%9b%e5%b8%b8%e8%a7%81%e7%9a%84%e5%9c%ba%e6%99%af%e5%8f%af%e8%83%bd%e4%bc%9a%e5%af%bc%e8%87%b4%e5%86%85%e5%ad%98","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/%e9%9d%a2%e8%af%95\/%e9%9d%a2%e8%af%95%e5%ae%98%ef%bc%9a%e5%9c%a8java%e4%b8%ad%ef%bc%8c%e5%93%aa%e4%ba%9b%e5%b8%b8%e8%a7%81%e7%9a%84%e5%9c%ba%e6%99%af%e5%8f%af%e8%83%bd%e4%bc%9a%e5%af%bc%e8%87%b4%e5%86%85%e5%ad%98\/","title":{"rendered":"\u9762\u8bd5\u5b98\uff1a\u5728Java\u4e2d\uff0c\u54ea\u4e9b\u5e38\u89c1\u7684\u573a\u666f\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f\uff1f"},"content":{"rendered":"
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1\u3001\u9759\u6001\u96c6\u5408\u7c7b\uff1a<\/strong><\/span><\/span>\u5982\u4e4b\u524d\u4f8b\u5b50\u6240\u793a\uff0c\u9759\u6001\u96c6\u5408\u7c7b\u53ef\u80fd\u4f1a\u65e0\u610f\u4e2d\u4fdd\u6301\u5bf9\u5bf9\u8c61\u7684\u5f15\u7528\u3002\u5982\u679c\u5bf9\u8c61\u88ab\u6dfb\u52a0\u5230\u4e86\u9759\u6001\u96c6\u5408\uff0c\u5e76\u4e14\u6ca1\u6709\u4ece\u4e2d\u79fb\u9664\uff0c\u5b83\u4eec\u5c31\u4e0d\u4f1a\u88ab\u5783\u573e\u6536\u96c6\u5668\u56de\u6536\u3002<\/span><\/p>\n

2\u3001\u76d1\u542c\u5668\u548c\u56de\u8c03\uff1a<\/strong><\/span><\/section>\n

<\/span>\u5728\u4f7f\u7528\u76d1\u542c\u5668\u548c\u56de\u8c03\u6a21\u5f0f\u65f6\uff0c\u7ecf\u5e38\u4f1a\u6ce8\u518c\u4e8b\u4ef6\u76d1\u542c\u5668\u6765\u5904\u7406\u4e8b\u4ef6\u3002\u5982\u679c\u5728\u4e0d\u518d\u9700\u8981\u63a5\u6536\u4e8b\u4ef6\u901a\u77e5\u65f6\u672a\u64a4\u9500\u6ce8\u518c\uff0c\u8fd9\u5c06\u5bfc\u81f4\u539f\u59cb\u5bf9\u8c61\u4e0d\u80fd\u88ab\u56de\u6536\u3002<\/span><\/p>\n

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    public<\/span> class<\/span> EventSource<\/span> {<\/span><\/code>    private<\/span> final List<EventListener> listeners = new<\/span> ArrayList<>();<\/span><\/code><\/span><\/code>    public<\/span> void<\/span> registerListener<\/span>(EventListener listener<\/span>)<\/span> {<\/span><\/code>        listeners.add<\/span>(listener);<\/span><\/code>    }<\/span><\/code><\/span><\/code>    \/\/ \u5fc5\u987b\u63d0\u4f9b\u4e00\u4e2a\u65b9\u6cd5\u6765\u53d6\u6d88\u6ce8\u518c\u4e0d\u518d\u9700\u8981\u7684\u76d1\u542c\u5668<\/span><\/span><\/code>    public<\/span> void<\/span> unregisterListener<\/span>(EventListener listener<\/span>)<\/span> {<\/span><\/code>        listeners.remove<\/span>(listener);<\/span><\/code>    }<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
    3\u3001\u5185\u90e8\u7c7b\u548c\u533f\u540d\u5185\u90e8\u7c7b\u7684\u4e0d\u5f53\u4f7f\u7528\uff1a<\/strong><\/span><\/p>\n
    <\/span>\u975e\u9759\u6001\u5185\u90e8\u7c7b\u548c\u533f\u540d\u5185\u90e8\u7c7b\u9690\u6027\u5730\u6301\u6709\u5bf9\u5176\u5916\u90e8\u7c7b\u5b9e\u4f8b\u7684\u5f15\u7528\u3002\u5982\u679c\u5185\u90e8\u7c7b\u7684\u5b9e\u4f8b\u88ab\u957f\u671f\u6301\u6709\uff0c\u90a3\u4e48\u5916\u90e8\u7c7b\u7684\u5b9e\u4f8b\u4e5f\u65e0\u6cd5\u88ab\u56de\u6536\u3002<\/span><\/p>\n
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      public<\/span> class<\/span> OuterClass<\/span> {<\/span><\/code>    private<\/span> int<\/span> someField;<\/span><\/code><\/span><\/code>    public<\/span> void<\/span> doSomething<\/span>(<\/span>)<\/span> {<\/span><\/code>        InnerClass inner = new<\/span> InnerClass();<\/span><\/code>        \/\/ ... \u4f7f\u7528inner<\/span><\/span><\/code>    }<\/span><\/code><\/span><\/code>    private<\/span> class<\/span> InnerClass<\/span> {<\/span><\/code>        \/\/ \u9ed8\u8ba4\u6301\u6709OuterClass\u7684\u5f15\u7528<\/span><\/span><\/code>    }<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
      4\u3001\u7f13\u5b58\uff1a<\/strong><\/span>\u9519\u8bef\u4f7f\u7528\u7f13\u5b58\uff08\u7279\u522b\u662f\u81ea\u5df1\u5b9e\u73b0\u7684\u7f13\u5b58\uff09\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f\u3002\u5982\u679c\u6ca1\u6709\u9002\u5f53\u7684\u903b\u8f91\u6765\u6e05\u9664\u4e0d\u518d\u9700\u8981\u7684\u6761\u76ee\uff0c\u7f13\u5b58\u4f1a\u4e0d\u65ad\u589e\u957f\u3002<\/span><\/p>\n
      5\u3001\u8fde\u63a5\u3001\u6d41\u548c\u5176\u4ed6\u5173\u95ed\u8d44\u6e90\uff1a<\/strong><\/span>\u6570\u636e\u5e93\u8fde\u63a5\u3001\u6587\u4ef6\u6d41\u6216\u7f51\u7edc\u8fde\u63a5\u7b49\u8d44\u6e90\uff0c\u5982\u679c\u6ca1\u6709\u6b63\u786e\u5173\u95ed\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f\uff0c\u56e0\u4e3a\u5e95\u5c42\u8d44\u6e90\u53ef\u80fd\u4f1a\u7ef4\u62a4\u5bf9\u4e00\u4e9b\u5185\u5b58\u7ed3\u6784\u7684\u5f15\u7528\u3002<\/span><\/p>\n
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        try<\/span> {<\/span><\/code>    FileInputStream fis = new<\/span> FileInputStream(\"file.txt\"<\/span>);<\/span><\/code>    \/\/ \u4f7f\u7528fis\u8bfb\u53d6\u6570\u636e...<\/span><\/span><\/code>    \/\/ \u5fd8\u8bb0\u8c03\u7528fis.close();<\/span><\/span><\/code>} catch<\/span> (IOException e) {<\/span><\/code>    \/\/ \u5f02\u5e38\u5904\u7406<\/span><\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
        6\u3001\u7ebf\u7a0b\u5c40\u90e8\u53d8\u91cf\uff08ThreadLocal\uff09\uff1a<\/strong><\/span>\u901a\u8fc7ThreadLocal\u8bbe\u7f6e\u7684\u53d8\u91cf\uff0c\u5728\u7ebf\u7a0b\u751f\u547d\u5468\u671f\u7ed3\u675f\u540e\uff0c\u5982\u679c\u6ca1\u6709\u663e\u5f0f\u5220\u9664\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f\uff0c\u7279\u522b\u662f\u5728\u4f7f\u7528\u53ef\u53d8\u5927\u5c0f\u7ebf\u7a0b\u6c60\u65f6\u3002<\/span><\/p>\n
        7\u3001\u5355\u4f8b\u6a21\u5f0f\uff1a<\/strong><\/span>\u5355\u4f8b\u53ef\u4ee5\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f\uff0c\u7279\u522b\u662f\u5f53\u5355\u4f8b\u6301\u6709\u5230\u671f\u6570\u636e\u6216\u8005\u4e0a\u4e0b\u6587\u76f8\u5173\u5bf9\u8c61\u7684\u5f15\u7528\u65f6\uff0c\u56e0\u4e3a\u5355\u4f8b\u7684\u751f\u547d\u5468\u671f\u901a\u5e38\u548c\u5e94\u7528\u7a0b\u5e8f\u7684\u751f\u547d\u5468\u671f\u4e00\u6837\u957f\u3002<\/span><\/p>\n
        \u907f\u514d\u8fd9\u4e9b\u95ee\u9898\u7684\u5173\u952e\u662f\u8981\u53d7\u63a7\u5236\u5730\u7ba1\u7406\u8d44\u6e90\u548c\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u3002\u786e\u4fdd\u4f60\u5728\u5bf9\u8c61\u4e0d\u518d\u9700\u8981\u65f6\u91ca\u653e\u8d44\u6e90\u3001\u89e3\u9664\u76d1\u542c\u5668\u7684\u6ce8\u518c\u3001\u79fb\u9664\u56de\u8c03\u3001\u6e05\u7406\u7f13\u5b58\u548c\u5173\u95ed\u7ebf\u7a0b\u5c40\u90e8\u53d8\u91cf\u3002\u901a\u8fc7\u4ee3\u7801\u5ba1\u67e5\u548c\u4f7f\u7528\u5206\u6790\u5de5\u5177\u5b9a\u671f\u68c0\u6d4b\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u5e2e\u52a9\u8bc6\u522b\u548c\u9632\u6b62\u5185\u5b58\u6cc4\u6f0f\u3002<\/span><\/span><\/p>\n
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        \u672c\u7bc7\u6587\u7ae0\u6765\u6e90\u4e8e\u5fae\u4fe1\u516c\u4f17\u53f7:                 \u4e92\u8054\u7f51\u9762\u8bd5\u5c0f\u5e2e\u624b              <\/p>\n<\/blockquote>\n<\/div>\n","raw":"","protected":false},"excerpt":{"rendered":"
        \u5728Java\u4e2d\uff0c\u5185\u5b58\u6cc4\u6f0f\u662f\u6307\u5df2\u5206\u914d\u7684\u5185\u5b58\u8d44\u6e90\u6ca1\u6709\u88ab\u6b63\u786e\u91ca\u653e\uff0c\u5373\u4fbf\u5b83\u5df2\u7ecf\u4e0d\u518d\u4f7f\u7528\uff0c\u4e5f\u4e0d\u80fd\u88ab\u5783\u573e\u56de\u6536\u5668\u56de\u6536\u3002\u8fd9\u901a\u5e38\u53d1\u751f\u5728\u5bf9\u8c61\u88ab\u65e0\u7528\u7684\u5f15\u7528 …<\/p>\n","protected":false},"author":1,"featured_media":4101,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[30],"tags":[],"class_list":["post-4104","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-30"],"post_thumbnail_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524145155428-150x150.jpeg","content_first_image":null,"post_medium_image_300":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524145155428-300x128.jpeg","post_thumbnail_image_624":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524145155428.jpeg","post_frist_image":null,"post_medium_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524145155428-300x128.jpeg","post_large_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524145155428.jpeg","post_full_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524145155428.jpeg","post_all_images":[],"videoAdId":"","listAd":"0","listAdId":"","listAdEvery":6,"total_comments":0,"category_name":"\u9762\u8bd5","post_date":"2024-04-18","like_count":"0","praiseWord":"\u9f13\u52b1","copyright_state":"","excitationAd":"0","rewardedVideoAdId":"","detailAdId":"","detailAd":"0","enterpriseMinapp":"0","audios":[],"postImageUrl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230519082947553.jpg","avatarurls":[],"related_posts":null,"pageviews":301,"next_post_id":4566,"next_post_title":"Redis\u9ad8\u9891\u9762\u8bd5\u989850\u9053(\u4e00)","previous_post_id":4108,"previous_post_title":"\u9762\u8bd5\u5b98\uff1aJava\u4e2dThreadLocal\u4e3a\u4ec0\u4e48\u4f1a\u53d1\u751f\u5185\u5b58\u6cc4\u6f0f\uff1f","_links":{"self":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts\/4104","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/comments?post=4104"}],"version-history":[{"count":0,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts\/4104\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/media\/4101"}],"wp:attachment":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/media?parent=4104"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/categories?post=4104"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/tags?post=4104"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}