{"id":38718,"date":"2024-11-26T17:08:16","date_gmt":"2024-11-26T09:08:16","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38718\/"},"modified":"2024-11-26T17:08:16","modified_gmt":"2024-11-26T09:08:16","slug":"java%e4%b8%ad%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e6%8a%8a%e8%b4%9f%e6%95%b0%e5%8f%98%e6%88%900","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38718\/","title":{"rendered":"java\u4e2d\u6570\u7ec4\u600e\u4e48\u628a\u8d1f\u6570\u53d8\u62100"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u5c06\u6570\u7ec4\u4e2d\u8d1f\u6570\u66ff\u6362\u4e3a 0 \u7684\u65b9\u6cd5\u5305\u62ec\uff1a1. \u76f4\u63a5\u4fee\u6539\u6570\u7ec4\u5143\u7d20\uff1b2. \u4f7f\u7528 java.util.arrays.replaceall() \u65b9\u6cd5\uff1b3. \u4f7f\u7528\u6d41 api\u3002\u6240\u6709\u65b9\u6cd5\u5747\u76f4\u63a5\u4fee\u6539\u539f\u6570\u7ec4\uff0c\u53ef\u8003\u8651\u521b\u5efa\u6570\u7ec4\u526f\u672c\u518d\u64cd\u4f5c\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/15\/2024111505275190790.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u6570\u7ec4\u600e\u4e48\u628a\u8d1f\u6570\u53d8\u62100\u63d2\u56fe\" alt=\"java\u4e2d\u6570\u7ec4\u600e\u4e48\u628a\u8d1f\u6570\u53d8\u62100\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u5c06\u6570\u7ec4\u4e2d\u8d1f\u6570\u66ff\u6362\u4e3a 0<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u5c06\u6570\u7ec4\u4e2d\u6240\u6709\u8d1f\u6570\u66ff\u6362\u4e3a 0\uff1a<\/p>\n<p><strong>1. \u76f4\u63a5\u4fee\u6539\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n<pre>int[] nums = {-1, 2, 3, -4, 5};\n\nfor (int i = 0; i &lt; nums.length; i++) {\n    if (nums[i] &lt; 0) {\n        nums[i] = 0;\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u4f7f\u7528 java.util.Arrays.replaceAll() \u65b9\u6cd5<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] nums = {-1, 2, 3, -4, 5};\n\nArrays.replaceAll(nums, x -&gt; x &lt; 0 ? 0 : x);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u4f7f\u7528\u6d41 API<\/strong><\/p>\n<pre>int[] nums = {-1, 2, 3, -4, 5};\n\nnums = Arrays.stream(nums)\n        .map(x -&gt; x &gt;= 0 ? x : 0)\n        .toArray();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u6240\u6709\u65b9\u6cd5\u90fd\u5c06\u76f4\u63a5\u4fee\u6539\u539f\u6570\u7ec4\u3002\u4e3a\u4e86\u907f\u514d\u6f5c\u5728\u7684\u526f\u4f5c\u7528\uff0c\u53ef\u4ee5\u8003\u8651\u521b\u5efa\u6570\u7ec4\u526f\u672c\u518d\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u6570\u7ec4\u600e\u4e48\u628a\u8d1f\u6570\u53d8\u62100\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>java \u4e2d\u5c06\u6570\u7ec4\u4e2d\u8d1f\u6570\u66ff\u6362\u4e3a 0 \u7684\u65b9\u6cd5\u5305\u62ec\uff1a1. \u76f4\u63a5\u4fee\u6539\u6570\u7ec4\u5143\u7d20\uff1b2. \u4f7f\u7528 java.util.arrays.replaceall() \u65b9\u6cd5\uff1b3. \u4f7f\u7528\u6d41 api\u3002\u6240\u6709\u65b9\u6cd5\u5747\u76f4\u63a5\u4fee\u6539\u539f\u6570\u7ec4\uff0c\u53ef\u8003\u8651\u521b\u5efa\u6570\u7ec4\u526f\u672c\u518d\u64cd\u4f5c\u3002 Java \u4e2d\u5c06\u6570\u7ec4\u4e2d\u8d1f\u6570\u66ff\u6362\u4e3a 0 \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u5c06\u6570\u7ec4\u4e2d\u6240\u6709\u8d1f\u6570\u66ff\u6362\u4e3a 0\uff1a 1. \u76f4\u63a5\u4fee\u6539\u6570\u7ec4\u5143\u7d20 int[] nums = {-1, 2, 3, -4, 5}; for (int i = 0; i &lt; nums.length; i++) { if (nums[i] &lt; 0) { nums[i] = 0; } } \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528 java.util.Arrays.replaceAll() \u65b9\u6cd5 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] nums [&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-38718","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38718","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=38718"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38718\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38718"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38718"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38718"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}