{"id":39872,"date":"2024-11-26T12:52:51","date_gmt":"2024-11-26T04:52:51","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39872\/"},"modified":"2024-11-26T12:52:51","modified_gmt":"2024-11-26T04:52:51","slug":"java%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%88%a0%e9%99%a4%e7%a9%ba%e7%9a%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39872\/","title":{"rendered":"java\u5b57\u7b26\u4e32\u6570\u7ec4\u600e\u4e48\u5220\u9664\u7a7a\u7684"},"content":{"rendered":"<blockquote><p>\n  \u4ece java \u5b57\u7b26\u4e32\u6570\u7ec4\u4e2d\u5220\u9664\u7a7a\u5b57\u7b26\u4e32\uff1a\u521b\u5efa\u65b0\u6570\u7ec4\uff0c\u5927\u5c0f\u4e0e\u539f\u59cb\u6570\u7ec4\u76f8\u540c\u6216\u66f4\u5c0f\u3002\u904d\u5386\u539f\u59cb\u6570\u7ec4\uff0c\u68c0\u67e5\u7a7a\u5b57\u7b26\u4e32\u3002\u5c06\u975e\u7a7a\u5b57\u7b26\u4e32\u6dfb\u52a0\u5230\u65b0\u6570\u7ec4\u3002\u66f4\u65b0\u65b0\u6570\u7ec4\u5927\u5c0f\uff0c\u5339\u914d\u975e\u7a7a\u5b57\u7b26\u4e32\u6570\u91cf\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/17\/2024111711515058742.jpg\" class=\"aligncenter\" title=\"java\u5b57\u7b26\u4e32\u6570\u7ec4\u600e\u4e48\u5220\u9664\u7a7a\u7684\u63d2\u56fe\" alt=\"java\u5b57\u7b26\u4e32\u6570\u7ec4\u600e\u4e48\u5220\u9664\u7a7a\u7684\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4ece Java \u4e2d\u5220\u9664\u7a7a\u5b57\u7b26\u4e32<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u5b57\u7b26\u4e32\u6570\u7ec4\u901a\u5e38\u7528\u4e8e\u5b58\u50a8\u4e00\u7ec4\u5b57\u7b26\u4e32\u503c\u3002\u6709\u65f6\uff0c\u6570\u7ec4\u4e2d\u53ef\u80fd\u4f1a\u5305\u542b\u7a7a\u5b57\u7b26\u4e32\uff08\u5373\u6ca1\u6709\u4efb\u4f55\u5b57\u7b26\u7684\u5b57\u7b26\u4e32\uff09\u3002\u4ece\u5b57\u7b26\u4e32\u6570\u7ec4\u4e2d\u5220\u9664\u7a7a\u5b57\u7b26\u4e32\u53ef\u4ee5\u5e2e\u52a9\u4f18\u5316\u4ee3\u7801\u5e76\u51cf\u5c11\u5185\u5b58\u4f7f\u7528\u3002<\/p>\n<p>\u4ee5\u4e0b\u6b65\u9aa4\u4ecb\u7ecd\u4e86\u5982\u4f55\u4ece Java \u5b57\u7b26\u4e32\u6570\u7ec4\u4e2d\u5220\u9664\u7a7a\u5b57\u7b26\u4e32\uff1a<\/p>\n<p><strong>\u6b65\u9aa4 1\uff1a\u521b\u5efa\u65b0\u7684\u5b57\u7b26\u4e32\u6570\u7ec4<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u5176\u5927\u5c0f\u4e0e\u539f\u59cb\u6570\u7ec4\u76f8\u540c\u6216\u6bd4\u539f\u59cb\u6570\u7ec4\u5c0f\u3002<\/p>\n<pre>String[] newArray = new String[originalArray.length];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6b65\u9aa4 2\uff1a\u904d\u5386\u539f\u59cb\u6570\u7ec4<\/strong><\/p>\n<p>\u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u539f\u59cb\u6570\u7ec4\u3002<\/p>\n<pre>for (int i = 0; i &lt; originalArray.length; i++) {<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6b65\u9aa4 3\uff1a\u68c0\u67e5\u7a7a\u5b57\u7b26\u4e32<\/strong><\/p>\n<p>\u5728\u5faa\u73af\u4e2d\uff0c\u68c0\u67e5\u5f53\u524d\u5143\u7d20\u662f\u5426\u4e3a\u7a7a\u5b57\u7b26\u4e32\u3002<\/p>\n<pre>    if (originalArray[i] != null &amp;&amp; !originalArray[i].isEmpty()) {<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6b65\u9aa4 4\uff1a\u5c06\u975e\u7a7a\u5b57\u7b26\u4e32\u6dfb\u52a0\u5230\u65b0\u6570\u7ec4<\/strong><\/p>\n<p>\u5982\u679c\u5f53\u524d\u5143\u7d20\u4e0d\u662f\u7a7a\u5b57\u7b26\u4e32\uff0c\u5c06\u5176\u6dfb\u52a0\u5230\u65b0\u6570\u7ec4\u4e2d\u3002<\/p>\n<pre>        newArray[j++] = originalArray[i];\n    }<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6b65\u9aa4 5\uff1a\u66f4\u65b0\u65b0\u6570\u7ec4\u5927\u5c0f<\/strong><\/p>\n<p>\u904d\u5386\u7ed3\u675f\u540e\uff0c\u66f4\u65b0\u65b0\u6570\u7ec4\u7684\u5927\u5c0f\u4ee5\u5339\u914d\u975e\u7a7a\u5b57\u7b26\u4e32\u7684\u6570\u91cf\u3002<\/p>\n<pre>newArray = Arrays.copyOf(newArray, j);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n<pre>public static void main(String[] args) {\n    String[] originalArray = {\"Java\", \"Kotlin\", \"\", \"Python\", null, \"C++\"};\n\n    String[] newArray = removeEmptyStrings(originalArray);\n\n    for (String element : newArray) {\n        System.out.println(element);\n    }\n}\n\nprivate static String[] removeEmptyStrings(String[] originalArray) {\n    String[] newArray = new String[originalArray.length];\n    int j = 0;\n    for (int i = 0; i &lt; originalArray.length; i++) {\n        if (originalArray[i] != null &amp;&amp; !originalArray[i].isEmpty()) {\n            newArray[j++] = originalArray[i];\n        }\n    }\n    return Arrays.copyOf(newArray, j);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8f93\u51fa\uff1a<\/strong><\/p>\n<pre>Java\nKotlin\nPython\nC++<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5220\u9664\u7a7a\u7684\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>\u4ece java \u5b57\u7b26\u4e32\u6570\u7ec4\u4e2d\u5220\u9664\u7a7a\u5b57\u7b26\u4e32\uff1a\u521b\u5efa\u65b0\u6570\u7ec4\uff0c\u5927\u5c0f\u4e0e\u539f\u59cb\u6570\u7ec4\u76f8\u540c\u6216\u66f4\u5c0f\u3002\u904d\u5386\u539f\u59cb\u6570\u7ec4\uff0c\u68c0\u67e5\u7a7a\u5b57\u7b26\u4e32\u3002\u5c06\u975e\u7a7a\u5b57\u7b26\u4e32\u6dfb\u52a0\u5230\u65b0\u6570\u7ec4\u3002\u66f4\u65b0\u65b0\u6570\u7ec4\u5927\u5c0f\uff0c\u5339\u914d\u975e\u7a7a\u5b57\u7b26\u4e32\u6570\u91cf\u3002 \u5982\u4f55\u4ece Java \u4e2d\u5220\u9664\u7a7a\u5b57\u7b26\u4e32 \u5728 Java \u4e2d\uff0c\u5b57\u7b26\u4e32\u6570\u7ec4\u901a\u5e38\u7528\u4e8e\u5b58\u50a8\u4e00\u7ec4\u5b57\u7b26\u4e32\u503c\u3002\u6709\u65f6\uff0c\u6570\u7ec4\u4e2d\u53ef\u80fd\u4f1a\u5305\u542b\u7a7a\u5b57\u7b26\u4e32\uff08\u5373\u6ca1\u6709\u4efb\u4f55\u5b57\u7b26\u7684\u5b57\u7b26\u4e32\uff09\u3002\u4ece\u5b57\u7b26\u4e32\u6570\u7ec4\u4e2d\u5220\u9664\u7a7a\u5b57\u7b26\u4e32\u53ef\u4ee5\u5e2e\u52a9\u4f18\u5316\u4ee3\u7801\u5e76\u51cf\u5c11\u5185\u5b58\u4f7f\u7528\u3002 \u4ee5\u4e0b\u6b65\u9aa4\u4ecb\u7ecd\u4e86\u5982\u4f55\u4ece Java \u5b57\u7b26\u4e32\u6570\u7ec4\u4e2d\u5220\u9664\u7a7a\u5b57\u7b26\u4e32\uff1a \u6b65\u9aa4 1\uff1a\u521b\u5efa\u65b0\u7684\u5b57\u7b26\u4e32\u6570\u7ec4 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u5176\u5927\u5c0f\u4e0e\u539f\u59cb\u6570\u7ec4\u76f8\u540c\u6216\u6bd4\u539f\u59cb\u6570\u7ec4\u5c0f\u3002 String[] newArray = new String[originalArray.length]; \u767b\u5f55\u540e\u590d\u5236 \u6b65\u9aa4 2\uff1a\u904d\u5386\u539f\u59cb\u6570\u7ec4 \u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u539f\u59cb\u6570\u7ec4\u3002 for (int i = 0; i &lt; originalArray.length; i++) { \u767b\u5f55\u540e\u590d\u5236 \u6b65\u9aa4 3\uff1a\u68c0\u67e5\u7a7a\u5b57\u7b26\u4e32 \u5728\u5faa\u73af\u4e2d\uff0c\u68c0\u67e5\u5f53\u524d\u5143\u7d20\u662f\u5426\u4e3a\u7a7a\u5b57\u7b26\u4e32\u3002 if (originalArray[i] != null &amp;&amp; !originalArray[i].isEmpty()) { \u767b\u5f55\u540e\u590d\u5236 \u6b65\u9aa4 4\uff1a\u5c06\u975e\u7a7a\u5b57\u7b26\u4e32\u6dfb\u52a0\u5230\u65b0\u6570\u7ec4 \u5982\u679c\u5f53\u524d\u5143\u7d20\u4e0d\u662f\u7a7a\u5b57\u7b26\u4e32\uff0c\u5c06\u5176\u6dfb\u52a0\u5230\u65b0\u6570\u7ec4\u4e2d\u3002 newArray[j++] = originalArray[i]; [&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-39872","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39872","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=39872"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39872\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39872"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39872"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39872"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}