{"id":39489,"date":"2024-11-26T11:15:56","date_gmt":"2024-11-26T03:15:56","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39489\/"},"modified":"2024-11-26T11:15:56","modified_gmt":"2024-11-26T03:15:56","slug":"java%e6%80%8e%e4%b9%88%e6%8a%8a%e6%95%b0%e7%bb%84%e8%be%93%e5%87%ba%e5%88%b0%e9%a1%b5%e9%9d%a2%e4%b8%8a","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39489\/","title":{"rendered":"java\u600e\u4e48\u628a\u6570\u7ec4\u8f93\u51fa\u5230\u9875\u9762\u4e0a"},"content":{"rendered":"

\n \u5728 java \u4e2d\uff0c\u5c06\u6570\u7ec4\u8f93\u51fa\u5230\u9875\u9762\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528 tostring() \u65b9\u6cd5\uff0c\u8f93\u51fa\u683c\u5f0f\u4e3a [\u5143\u7d201, \u5143\u7d202, …, \u5143\u7d20n]\u3002\u4f7f\u7528 for \u5faa\u73af\uff0c\u9010\u4e2a\u8f93\u51fa\u6570\u7ec4\u5143\u7d20\u3002\u4f7f\u7528\u81ea\u5b9a\u4e49\u51fd\u6570\uff0c\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u5e76\u6307\u5b9a\u683c\u5f0f\u3002\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\uff0c\u5982 guava \u7684 joiner\uff0c\u6307\u5b9a\u5206\u9694\u7b26\u5c06\u5176\u8fde\u63a5\uff0c\u8f93\u51fa\u683c\u5f0f\u4e3a “\u5143\u7d201, \u5143\u7d202, …, \u5143\u7d20n”\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u628a\u6570\u7ec4\u8f93\u51fa\u5230\u9875\u9762\u4e0a\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5728 Java \u4e2d\u5c06\u6570\u7ec4\u8f93\u51fa\u5230\u9875\u9762\u4e0a<\/strong><\/p>\n

\u5728 Java Web \u5f00\u53d1\u4e2d\uff0c\u7ecf\u5e38\u9700\u8981\u5c06\u6570\u7ec4\u5185\u5bb9\u8f93\u51fa\u5230 HTML \u9875\u9762\u4e0a\u8fdb\u884c\u5c55\u793a\u3002\u4e0b\u9762\u4ecb\u7ecd\u51e0\u79cd\u5e38\u7528\u7684\u65b9\u6cd5\uff1a<\/p>\n

\u4f7f\u7528 toString() \u65b9\u6cd5<\/strong><\/p>\n

int[] numbers = {1, 2, 3, 4, 5};\nSystem.out.println(Arrays.toString(numbers));<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8f93\u51fa\uff1a[1, 2, 3, 4, 5]<\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
\u4f7f\u7528 for \u5faa\u73af<\/strong><\/p>\n
int[] numbers = {1, 2, 3, 4, 5};\nfor (int number : numbers) {\n  System.out.println(number);\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8f93\u51fa\uff1a<\/p>\n
1\n2\n3\n4\n5<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528\u81ea\u5b9a\u4e49\u51fd\u6570<\/strong><\/p>\n
int[] numbers = {1, 2, 3, 4, 5};\n\n\/\/ \u81ea\u5b9a\u4e49\u51fd\u6570\uff0c\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\nString arrayToString(int[] array) {\n  StringBuilder sb = new StringBuilder(\"[\");\n  for (int number : array) {\n    sb.append(number).append(\",\");\n  }\n  sb.deleteCharAt(sb.length() - 1);\n  sb.append(\"]\");\n  return sb.toString();\n}\n\nSystem.out.println(arrayToString(numbers));<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8f93\u51fa\uff1a[1, 2, 3, 4, 5]<\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93<\/strong><\/p>\n
import com.google.common.base.Joiner;\n\nint[] numbers = {1, 2, 3, 4, 5};\nString joinedString = Joiner.on(\", \").join(numbers);\n\nSystem.out.println(joinedString);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8f93\u51fa\uff1a1, 2, 3, 4, 5<\/p>\n
\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u628a\u6570\u7ec4\u8f93\u51fa\u5230\u9875\u9762\u4e0a\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":"
\u5728 java \u4e2d\uff0c\u5c06\u6570\u7ec4\u8f93\u51fa\u5230\u9875\u9762\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528 tostring() \u65b9\u6cd5\uff0c\u8f93\u51fa\u683c\u5f0f\u4e3a [\u5143\u7d201, \u5143\u7d202, …, \u5143\u7d20n]\u3002\u4f7f\u7528 for \u5faa\u73af\uff0c\u9010\u4e2a\u8f93\u51fa\u6570\u7ec4\u5143\u7d20\u3002\u4f7f\u7528\u81ea\u5b9a\u4e49\u51fd\u6570\uff0c\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u5e76\u6307\u5b9a\u683c\u5f0f\u3002\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\uff0c\u5982 guava \u7684 joiner\uff0c\u6307\u5b9a\u5206\u9694\u7b26\u5c06\u5176\u8fde\u63a5\uff0c\u8f93\u51fa\u683c\u5f0f\u4e3a “\u5143\u7d201, \u5143\u7d202, …, \u5143\u7d20n”\u3002 \u5982\u4f55\u5728 Java \u4e2d\u5c06\u6570\u7ec4\u8f93\u51fa\u5230\u9875\u9762\u4e0a \u5728 Java Web \u5f00\u53d1\u4e2d\uff0c\u7ecf\u5e38\u9700\u8981\u5c06\u6570\u7ec4\u5185\u5bb9\u8f93\u51fa\u5230 HTML \u9875\u9762\u4e0a\u8fdb\u884c\u5c55\u793a\u3002\u4e0b\u9762\u4ecb\u7ecd\u51e0\u79cd\u5e38\u7528\u7684\u65b9\u6cd5\uff1a \u4f7f\u7528 toString() \u65b9\u6cd5 int[] numbers = {1, 2, 3, 4, 5}; System.out.println(Arrays.toString(numbers)); \u767b\u5f55\u540e\u590d\u5236 \u8f93\u51fa\uff1a[1, 2, 3, 4, 5] \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u4f7f\u7528 for \u5faa\u73af int[] numbers = {1, 2, 3, […]<\/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-39489","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39489","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=39489"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39489\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39489"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39489"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39489"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}