{"id":35353,"date":"2024-11-26T15:46:28","date_gmt":"2024-11-26T07:46:28","guid":{"rendered":"https:\/\/fwq.ai\/blog\/35353\/"},"modified":"2024-11-26T15:46:28","modified_gmt":"2024-11-26T07:46:28","slug":"java%e6%80%8e%e4%b9%88%e9%81%8d%e5%8e%86%e4%b8%80%e4%b8%aa%e5%af%b9%e8%b1%a1%e6%95%b0%e7%bb%84%e5%af%b9%e8%b1%a1","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/35353\/","title":{"rendered":"java\u600e\u4e48\u904d\u5386\u4e00\u4e2a\u5bf9\u8c61\u6570\u7ec4\u5bf9\u8c61"},"content":{"rendered":"<blockquote><p>\n  \u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4e09\u79cd\u65b9\u6cd5\u904d\u5386 java \u4e2d\u7684\u5bf9\u8c61\u6570\u7ec4\uff1a1. \u76f4\u63a5\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff1b2. \u4f7f\u7528 for-each \u5faa\u73af\uff1b3. \u4f7f\u7528 stream api\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/04\/2024110401122990927.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u904d\u5386\u4e00\u4e2a\u5bf9\u8c61\u6570\u7ec4\u5bf9\u8c61\u63d2\u56fe\" alt=\"java\u600e\u4e48\u904d\u5386\u4e00\u4e2a\u5bf9\u8c61\u6570\u7ec4\u5bf9\u8c61\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u904d\u5386 Java \u4e2d\u7684\u5bf9\u8c61\u6570\u7ec4<\/strong><\/p>\n<p><strong>\u76f4\u63a5\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n<p>\u6700\u57fa\u672c\u7684\u65b9\u6cd5\u662f\u76f4\u63a5\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff0c\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\uff1a<\/p>\n<pre>Object[] array = { \"a\", \"b\", \"c\" };\nfor (int i = 0; i &lt; array.length; i++) {\n    System.out.println(array[i]);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528 for-each \u5faa\u73af<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>for-each \u5faa\u73af\u662f\u4e00\u79cd\u66f4\u7b80\u6d01\u7684\u904d\u5386\u6570\u7ec4\u7684\u65b9\u5f0f\uff0c\u5b83\u4f1a\u81ea\u52a8\u904d\u5386\u6570\u7ec4\u7684\u6240\u6709\u5143\u7d20\uff1a<\/p>\n<pre>Object[] array = { \"a\", \"b\", \"c\" };\nfor (Object element : array) {\n    System.out.println(element);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528 Stream API<\/strong><\/p>\n<p>Java 8 \u53ca\u66f4\u9ad8\u7248\u672c\u63d0\u4f9b\u4e86 Stream API\uff0c\u53ef\u4ee5\u4f7f\u7528\u6d41\u64cd\u4f5c\u65b9\u4fbf\u5730\u904d\u5386\u6570\u7ec4\uff1a<\/p>\n<pre>Object[] array = { \"a\", \"b\", \"c\" };\nArrays.stream(array).forEach(System.out::println);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u904d\u5386\u4e00\u4e2a\u5bf9\u8c61\u6570\u7ec4\u5bf9\u8c61\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4e09\u79cd\u65b9\u6cd5\u904d\u5386 java \u4e2d\u7684\u5bf9\u8c61\u6570\u7ec4\uff1a1. \u76f4\u63a5\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff1b2. \u4f7f\u7528 for-each \u5faa\u73af\uff1b3. \u4f7f\u7528 stream api\u3002 \u5982\u4f55\u904d\u5386 Java \u4e2d\u7684\u5bf9\u8c61\u6570\u7ec4 \u76f4\u63a5\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20 \u6700\u57fa\u672c\u7684\u65b9\u6cd5\u662f\u76f4\u63a5\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff0c\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\uff1a Object[] array = { &#8220;a&#8221;, &#8220;b&#8221;, &#8220;c&#8221; }; for (int i = 0; i &lt; array.length; i++) { System.out.println(array[i]); } \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528 for-each \u5faa\u73af \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b for-each \u5faa\u73af\u662f\u4e00\u79cd\u66f4\u7b80\u6d01\u7684\u904d\u5386\u6570\u7ec4\u7684\u65b9\u5f0f\uff0c\u5b83\u4f1a\u81ea\u52a8\u904d\u5386\u6570\u7ec4\u7684\u6240\u6709\u5143\u7d20\uff1a Object[] array = { &#8220;a&#8221;, &#8220;b&#8221;, &#8220;c&#8221; }; for (Object element : array) [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-35353","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35353","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=35353"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35353\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=35353"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=35353"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=35353"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}