{"id":64660,"date":"2025-05-03T08:23:29","date_gmt":"2025-05-03T00:23:29","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64660\/"},"modified":"2025-05-03T08:23:29","modified_gmt":"2025-05-03T00:23:29","slug":"java%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e8%bd%ac%e6%8d%a2%e6%88%90%e5%ad%97%e7%ac%a6%e4%b8%b2-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64660\/","title":{"rendered":"java\u6570\u7ec4\u600e\u4e48\u8f6c\u6362\u6210\u5b57\u7b26\u4e32"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a\u4f7f\u7528 arrays.tostring() \u65b9\u6cd5\u3002\u4f7f\u7528 string.join() \u65b9\u6cd5\u3002\u4f7f\u7528\u5faa\u73af\u624b\u52a8\u521b\u5efa\u5b57\u7b26\u4e32\u8868\u793a\u5f62\u5f0f\u3002\u4f7f\u7528 stream.collect() \u65b9\u6cd5\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/04\/2024110405543254171.jpg\" class=\"aligncenter\" title=\"java\u6570\u7ec4\u600e\u4e48\u8f6c\u6362\u6210\u5b57\u7b26\u4e32\u63d2\u56fe\" alt=\"java\u6570\u7ec4\u600e\u4e48\u8f6c\u6362\u6210\u5b57\u7b26\u4e32\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32<\/strong><\/p>\n<p>Java \u4e2d\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u6709\u591a\u79cd\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528 Arrays.toString()<\/strong><\/p>\n<p>Arrays.toString() \u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u6570\u7ec4\u4e2d\u6240\u6709\u5143\u7d20\u7684\u5b57\u7b26\u4e32\u8868\u793a\u5f62\u5f0f\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\nString arrStr = Arrays.toString(arr); \/\/ \"[1, 2, 3, 4, 5]\"<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u4f7f\u7528 String.join()<\/strong><\/p>\n<p>String.join() \u65b9\u6cd5\u5c06\u4e00\u4e2a\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002<\/p>\n<pre>String[] arrStr = {\"1\", \"2\", \"3\", \"4\", \"5\"};\nString joinedStr = String.join(\", \", arrStr); \/\/ \"1, 2, 3, 4, 5\"<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u4f7f\u7528\u5faa\u73af<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u624b\u52a8\u521b\u5efa\u5b57\u7b26\u4e32\u8868\u793a\u5f62\u5f0f\u3002<\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\nStringBuilder sb = new StringBuilder();\nfor (int element : arr) {\n    sb.append(element).append(\", \");\n}\nString arrStr = sb.toString().trim(); \/\/ \"1, 2, 3, 4, 5\"<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u4f7f\u7528 Stream.collect()<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528 Stream.collect() \u65b9\u6cd5\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u3002<\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\nString arrStr = IntStream.of(arr).mapToObj(String::valueOf).collect(Collectors.joining(\", \"));<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\u53d6\u51b3\u4e8e\u6570\u7ec4\u7684\u7c7b\u578b\u548c\u6240\u9700\u7684\u5b57\u7b26\u4e32\u8868\u793a\u5f62\u5f0f\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u600e\u4e48\u8f6c\u6362\u6210\u5b57\u7b26\u4e32\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>java \u4e2d\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a\u4f7f\u7528 arrays.tostring() \u65b9\u6cd5\u3002\u4f7f\u7528 string.join() \u65b9\u6cd5\u3002\u4f7f\u7528\u5faa\u73af\u624b\u52a8\u521b\u5efa\u5b57\u7b26\u4e32\u8868\u793a\u5f62\u5f0f\u3002\u4f7f\u7528 stream.collect() \u65b9\u6cd5\u3002 Java \u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32 Java \u4e2d\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u6709\u591a\u79cd\u65b9\u6cd5\uff1a 1. \u4f7f\u7528 Arrays.toString() Arrays.toString() \u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u6570\u7ec4\u4e2d\u6240\u6709\u5143\u7d20\u7684\u5b57\u7b26\u4e32\u8868\u793a\u5f62\u5f0f\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] arr = {1, 2, 3, 4, 5}; String arrStr = Arrays.toString(arr); \/\/ &#8220;[1, 2, 3, 4, 5]&#8221; \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528 String.join() String.join() \u65b9\u6cd5\u5c06\u4e00\u4e2a\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002 String[] arrStr = {&#8220;1&#8221;, &#8220;2&#8221;, &#8220;3&#8221;, &#8220;4&#8221;, &#8220;5&#8221;}; String joinedStr = String.join(&#8220;, &#8220;, [&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-64660","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64660","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=64660"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64660\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64660"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64660"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64660"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}