{"id":35511,"date":"2024-11-26T09:12:25","date_gmt":"2024-11-26T01:12:25","guid":{"rendered":"https:\/\/fwq.ai\/blog\/35511\/"},"modified":"2024-11-26T09:12:25","modified_gmt":"2024-11-26T01:12:25","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e5%b0%86%e6%95%b0%e7%bb%84%e5%8f%98%e6%88%90%e5%ad%97%e7%ac%a6%e4%b8%b2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/35511\/","title":{"rendered":"Java\u4e2d\u600e\u4e48\u5c06\u6570\u7ec4\u53d8\u6210\u5b57\u7b26\u4e32"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\uff0c\u5c06\u6570\u7ec4\u8f6c\u6362\u6210\u5b57\u7b26\u4e32\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528 arrays.tostring() \u65b9\u6cd5\uff0c\u8fd4\u56de\u5305\u542b\u6240\u6709\u5143\u7d20\u3001\u7528\u9017\u53f7\u5206\u9694\u7684\u5b57\u7b26\u4e32\u3002\u4f7f\u7528 string.join() \u65b9\u6cd5\uff0c\u5c06\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002\u4f7f\u7528 stringbuilder\uff0c\u9010\u4e2a\u5b57\u7b26\u5730\u6784\u5efa\u5b57\u7b26\u4e32\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/04\/2024110404340288938.jpg\" class=\"aligncenter\" title=\"Java\u4e2d\u600e\u4e48\u5c06\u6570\u7ec4\u53d8\u6210\u5b57\u7b26\u4e32\u63d2\u56fe\" alt=\"Java\u4e2d\u600e\u4e48\u5c06\u6570\u7ec4\u53d8\u6210\u5b57\u7b26\u4e32\u63d2\u56fe\" \/><\/p>\n<p><strong>Java\u4e2d\u5c06\u6570\u7ec4\u8f6c\u6362\u6210\u5b57\u7b26\u4e32<\/strong><\/p>\n<p><strong>\u4f7f\u7528Arrays.toString()\u65b9\u6cd5<\/strong><\/p>\n<p>Arrays.toString()\u65b9\u6cd5\u53ef\u4ee5\u5c06\u4efb\u4f55\u7c7b\u578b\u7684\u6570\u7ec4\u8f6c\u6362\u6210\u4e00\u4e2a\u5305\u542b\u6240\u6709\u5143\u7d20\u3001\u7528\u9017\u53f7\u5206\u9694\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<p><strong>\u8bed\u6cd5\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>String str = Arrays.toString(array);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\nString str = Arrays.toString(numbers);\nSystem.out.println(str); \/\/ \u8f93\u51fa\uff1a[1, 2, 3, 4, 5]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528String.join()\u65b9\u6cd5<\/strong><\/p>\n<p>String.join()\u65b9\u6cd5\u53ef\u4ee5\u5c06\u4e00\u4e2a\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002<\/p>\n<p><strong>\u8bed\u6cd5\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>String str = String.join(\",\", array);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>String[] names = {\"John\", \"Mary\", \"Bob\"};\nString str = String.join(\",\", names);\nSystem.out.println(str); \/\/ \u8f93\u51fa\uff1aJohn,Mary,Bob<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528StringBuilder<\/strong><\/p>\n<p>StringBuilder\u7c7b\u53ef\u4ee5\u7528\u6765\u9010\u4e2a\u5b57\u7b26\u5730\u6784\u5efa\u5b57\u7b26\u4e32\u3002<\/p>\n<pre>StringBuilder sb = new StringBuilder();\n\nfor (int i = 0; i &lt; array.length; i++) {\n    sb.append(array[i]);\n    if (i &lt; array.length - 1) {\n        sb.append(\",\");\n    }\n}\n\nString str = sb.toString();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fJava\u4e2d\u600e\u4e48\u5c06\u6570\u7ec4\u53d8\u6210\u5b57\u7b26\u4e32\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>\u5728 java \u4e2d\uff0c\u5c06\u6570\u7ec4\u8f6c\u6362\u6210\u5b57\u7b26\u4e32\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528 arrays.tostring() \u65b9\u6cd5\uff0c\u8fd4\u56de\u5305\u542b\u6240\u6709\u5143\u7d20\u3001\u7528\u9017\u53f7\u5206\u9694\u7684\u5b57\u7b26\u4e32\u3002\u4f7f\u7528 string.join() \u65b9\u6cd5\uff0c\u5c06\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002\u4f7f\u7528 stringbuilder\uff0c\u9010\u4e2a\u5b57\u7b26\u5730\u6784\u5efa\u5b57\u7b26\u4e32\u3002 Java\u4e2d\u5c06\u6570\u7ec4\u8f6c\u6362\u6210\u5b57\u7b26\u4e32 \u4f7f\u7528Arrays.toString()\u65b9\u6cd5 Arrays.toString()\u65b9\u6cd5\u53ef\u4ee5\u5c06\u4efb\u4f55\u7c7b\u578b\u7684\u6570\u7ec4\u8f6c\u6362\u6210\u4e00\u4e2a\u5305\u542b\u6240\u6709\u5143\u7d20\u3001\u7528\u9017\u53f7\u5206\u9694\u7684\u5b57\u7b26\u4e32\u3002 \u8bed\u6cd5\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b String str = Arrays.toString(array); \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b\uff1a int[] numbers = {1, 2, 3, 4, 5}; String str = Arrays.toString(numbers); System.out.println(str); \/\/ \u8f93\u51fa\uff1a[1, 2, 3, 4, 5] \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528String.join()\u65b9\u6cd5 String.join()\u65b9\u6cd5\u53ef\u4ee5\u5c06\u4e00\u4e2a\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002 \u8bed\u6cd5\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b String str = String.join(&#8220;,&#8221;, array); \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b\uff1a String[] names = {&#8220;John&#8221;, &#8220;Mary&#8221;, [&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-35511","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35511","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=35511"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35511\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=35511"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=35511"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=35511"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}