{"id":39188,"date":"2024-11-26T14:29:24","date_gmt":"2024-11-26T06:29:24","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39188\/"},"modified":"2024-11-26T14:29:24","modified_gmt":"2024-11-26T06:29:24","slug":"java%e6%80%8e%e4%b9%88%e6%8a%8a%e6%95%b0%e7%bb%84%e8%bd%ac%e6%88%90%e5%ad%97%e7%ac%a6%e4%b8%b2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39188\/","title":{"rendered":"java\u600e\u4e48\u628a\u6570\u7ec4\u8f6c\u6210\u5b57\u7b26\u4e32"},"content":{"rendered":"<blockquote><p>\n  \u56de\u7b54\uff1a\u6709\u4e09\u79cd\u5c06 java \u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u7684\u65b9\u6cd5\uff1a\u4f7f\u7528 arrays.tostring()\u3001stringbuilder \u548c string.join()\uff08java 8+\uff09\u3002\u8be6\u7ec6\u63cf\u8ff0\uff1aarrays.tostring()\uff1a\u8fd4\u56de\u5e26\u9017\u53f7\u5206\u9694\u7684\u5143\u7d20\u5b57\u7b26\u4e32\uff0c\u5e76\u5728\u5b57\u7b26\u4e32\u672b\u5c3e\u6dfb\u52a0\u65b9\u62ec\u53f7\u3002stringbuilder\uff1a\u9010\u6b65\u6784\u5efa\u5b57\u7b26\u4e32\uff0c\u5141\u8bb8\u81ea\u5b9a\u4e49\u683c\u5f0f\u3002string.join()\uff08java 8+\uff09\uff1a\u5c06\u5b57\u7b26\u4e32\u6570\u7ec4\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u4f7f\u7528\u6307\u5b9a\u7684\u5b57\u7b26\u4e32\u4f5c\u4e3a\u5206\u9694\u7b26\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111604572888264.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u628a\u6570\u7ec4\u8f6c\u6210\u5b57\u7b26\u4e32\u63d2\u56fe\" alt=\"java\u600e\u4e48\u628a\u6570\u7ec4\u8f6c\u6210\u5b57\u7b26\u4e32\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5c06 Java \u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff1a<\/p>\n<p><strong>\u65b9\u6cd5 1\uff1a\u4f7f\u7528 Arrays.toString() \u65b9\u6cd5<\/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\uff0c\u5143\u7d20\u4e4b\u95f4\u7528\u9017\u53f7\u5206\u9694\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\nString str1 = Arrays.toString(numbers);\n\/\/ \u8f93\u51fa\uff1a\"[1, 2, 3, 4, 5]\"<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u65b9\u6cd5 2\uff1a\u4f7f\u7528 StringBuilder<\/strong><\/p>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528 StringBuilder \u7c7b\u9010\u6b65\u6784\u5efa\u5b57\u7b26\u4e32\u3002<\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\nStringBuilder sb = new StringBuilder();\nsb.append(\"[\");\nfor (int number : numbers) {\n    sb.append(number).append(\", \");\n}\nsb.deleteCharAt(sb.length() - 2);\nsb.append(\"]\");\nString str2 = sb.toString();\n\/\/ \u8f93\u51fa\uff1a\"[1, 2, 3, 4, 5]\"<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u65b9\u6cd5 3\uff1a\u4f7f\u7528 String.join() \u65b9\u6cd5\uff08Java 8+\uff09<\/strong><\/p>\n<p>String.join() \u65b9\u6cd5\u53ef\u4ee5\u5c06\u4e00\u4e2a\u8fde\u63a5\u6210\u4e00\u4e2a\u5355\u4e00\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\nString[] strArr = new String[numbers.length];\nfor (int i = 0; i &lt; numbers.length; i++) {\n    strArr[i] = String.valueOf(numbers[i]);\n}\nString str3 = String.join(\", \", strArr);\n\/\/ \u8f93\u51fa\uff1a\"[1, 2, 3, 4, 5]\"<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\u53d6\u51b3\u4e8e\u60a8\u7684\u9700\u6c42\uff1a<\/strong><\/p>\n<ul>\n<li>Arrays.toString() \u65b9\u6cd5\u662f\u6700\u7b80\u5355\u7684\u65b9\u6cd5\uff0c\u4f46\u5b83\u5728\u5b57\u7b26\u4e32\u672b\u5c3e\u6dfb\u52a0\u4e86\u65b9\u62ec\u53f7\u3002<\/li>\n<li>StringBuilder \u65b9\u6cd5\u66f4\u7075\u6d3b\uff0c\u5141\u8bb8\u60a8\u81ea\u5b9a\u4e49\u5b57\u7b26\u4e32\u7684\u683c\u5f0f\u3002<\/li>\n<li>String.join() \u65b9\u6cd5\u5bf9\u4e8e\u5c06\u5b57\u7b26\u4e32\u6570\u7ec4\u8fde\u63a5\u6210\u5b57\u7b26\u4e32\u975e\u5e38\u65b9\u4fbf\uff08Java 8+\uff09\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u628a\u6570\u7ec4\u8f6c\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>\u56de\u7b54\uff1a\u6709\u4e09\u79cd\u5c06 java \u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u7684\u65b9\u6cd5\uff1a\u4f7f\u7528 arrays.tostring()\u3001stringbuilder \u548c string.join()\uff08java 8+\uff09\u3002\u8be6\u7ec6\u63cf\u8ff0\uff1aarrays.tostring()\uff1a\u8fd4\u56de\u5e26\u9017\u53f7\u5206\u9694\u7684\u5143\u7d20\u5b57\u7b26\u4e32\uff0c\u5e76\u5728\u5b57\u7b26\u4e32\u672b\u5c3e\u6dfb\u52a0\u65b9\u62ec\u53f7\u3002stringbuilder\uff1a\u9010\u6b65\u6784\u5efa\u5b57\u7b26\u4e32\uff0c\u5141\u8bb8\u81ea\u5b9a\u4e49\u683c\u5f0f\u3002string.join()\uff08java 8+\uff09\uff1a\u5c06\u5b57\u7b26\u4e32\u6570\u7ec4\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u4f7f\u7528\u6307\u5b9a\u7684\u5b57\u7b26\u4e32\u4f5c\u4e3a\u5206\u9694\u7b26\u3002 \u5982\u4f55\u5c06 Java \u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32 \u5728 Java \u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff1a \u65b9\u6cd5 1\uff1a\u4f7f\u7528 Arrays.toString() \u65b9\u6cd5 Arrays.toString() \u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u6570\u7ec4\u4e2d\u6240\u6709\u5143\u7d20\u7684\u5b57\u7b26\u4e32\uff0c\u5143\u7d20\u4e4b\u95f4\u7528\u9017\u53f7\u5206\u9694\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = {1, 2, 3, 4, 5}; String str1 = Arrays.toString(numbers); \/\/ \u8f93\u51fa\uff1a&#8221;[1, 2, 3, 4, 5]&#8221; \u767b\u5f55\u540e\u590d\u5236 \u65b9\u6cd5 2\uff1a\u4f7f\u7528 StringBuilder \u60a8\u53ef\u4ee5\u4f7f\u7528 StringBuilder \u7c7b\u9010\u6b65\u6784\u5efa\u5b57\u7b26\u4e32\u3002 int[] numbers = {1, 2, 3, 4, 5}; StringBuilder [&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-39188","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39188","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=39188"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39188\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39188"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39188"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39188"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}