{"id":66634,"date":"2025-05-03T16:57:40","date_gmt":"2025-05-03T08:57:40","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66634\/"},"modified":"2025-05-03T16:57:40","modified_gmt":"2025-05-03T08:57:40","slug":"java%e6%80%8e%e4%b9%88%e6%b8%85%e9%99%a4%e6%95%b0%e7%bb%84%e9%87%8c%e7%9a%840-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66634\/","title":{"rendered":"java\u600e\u4e48\u6e05\u9664\u6570\u7ec4\u91cc\u76840"},"content":{"rendered":"<blockquote><p>\n  \u6709\u4e24\u79cd\u65b9\u6cd5\u53ef\u4ee5\u6e05\u9664 java \u6570\u7ec4\u4e2d\u7684 0\uff1a\u4f7f\u7528 arrays.stream() \u548c filter()\uff1a\u521b\u5efa\u6d41\u5e76\u8fc7\u6ee4\u975e\u96f6\u5143\u7d20\uff0c\u7136\u540e\u8f6c\u6362\u4e3a\u6570\u7ec4\u3002\u4f7f\u7528 for \u5faa\u73af\u548c arraylist\uff1a\u904d\u5386\u6570\u7ec4\uff0c\u5c06\u975e\u96f6\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\uff0c\u7136\u540e\u5c06\u5176\u8f6c\u6362\u4e3a\u6570\u7ec4\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111611211890083.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u6e05\u9664\u6570\u7ec4\u91cc\u76840\u63d2\u56fe\" alt=\"java\u600e\u4e48\u6e05\u9664\u6570\u7ec4\u91cc\u76840\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u6e05\u9664 Java \u6570\u7ec4\u4e2d\u7684 0<\/strong><\/p>\n<p><strong>\u65b9\u6cd5 1\uff1a\u4f7f\u7528 Arrays.stream() \u548c filter()<\/strong><\/p>\n<pre>int[] arr = {1, 2, 0, 4, 0, 6, 8, 0, 10};\n\n\/\/ \u4f7f\u7528 Arrays.stream() \u521b\u5efa\u6d41\nIntStream stream = Arrays.stream(arr);\n\n\/\/ \u4f7f\u7528 filter() \u8fc7\u6ee4\u51fa\u975e\u96f6\u5143\u7d20\nint[] newArr = stream.filter(i -&gt; i != 0).toArray();\n\n\/\/ \u8f93\u51fa\u65b0\u6570\u7ec4\nSystem.out.println(Arrays.toString(newArr));<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>\u65b9\u6cd5 2\uff1a\u4f7f\u7528 for \u5faa\u73af\u548c ArrayList<\/strong><\/p>\n<pre>int[] arr = {1, 2, 0, 4, 0, 6, 8, 0, 10};\n\n\/\/ \u521b\u5efa\u4e00\u4e2a ArrayList \u5b58\u50a8\u975e\u96f6\u5143\u7d20\nArrayList&lt;Integer&gt; list = new ArrayList&lt;&gt;();\n\n\/\/ \u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6570\u7ec4\nfor (int i : arr) {\n    if (i != 0) {\n        list.add(i);\n    }\n}\n\n\/\/ \u5c06 ArrayList \u8f6c\u6362\u4e3a\u6570\u7ec4\nint[] newArr = new int[list.size()];\nfor (int i = 0; i &lt; list.size(); i++) {\n    newArr[i] = list.get(i);\n}\n\n\/\/ \u8f93\u51fa\u65b0\u6570\u7ec4\nSystem.out.println(Arrays.toString(newArr));<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u6e05\u9664\u6570\u7ec4\u91cc\u76840\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6709\u4e24\u79cd\u65b9\u6cd5\u53ef\u4ee5\u6e05\u9664 java \u6570\u7ec4\u4e2d\u7684 0\uff1a\u4f7f\u7528 arrays.stream() \u548c filter()\uff1a\u521b\u5efa\u6d41\u5e76\u8fc7\u6ee4\u975e\u96f6\u5143\u7d20\uff0c\u7136\u540e\u8f6c\u6362\u4e3a\u6570\u7ec4\u3002\u4f7f\u7528 for \u5faa\u73af\u548c arraylist\uff1a\u904d\u5386\u6570\u7ec4\uff0c\u5c06\u975e\u96f6\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\uff0c\u7136\u540e\u5c06\u5176\u8f6c\u6362\u4e3a\u6570\u7ec4\u3002 \u5982\u4f55\u6e05\u9664 Java \u6570\u7ec4\u4e2d\u7684 0 \u65b9\u6cd5 1\uff1a\u4f7f\u7528 Arrays.stream() \u548c filter() int[] arr = {1, 2, 0, 4, 0, 6, 8, 0, 10}; \/\/ \u4f7f\u7528 Arrays.stream() \u521b\u5efa\u6d41 IntStream stream = Arrays.stream(arr); \/\/ \u4f7f\u7528 filter() \u8fc7\u6ee4\u51fa\u975e\u96f6\u5143\u7d20 int[] newArr = stream.filter(i -&gt; i != 0).toArray(); \/\/ \u8f93\u51fa\u65b0\u6570\u7ec4 System.out.println(Arrays.toString(newArr)); \u767b\u5f55\u540e\u590d\u5236 [&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-66634","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66634","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=66634"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66634\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66634"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66634"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66634"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}