{"id":34731,"date":"2024-11-26T15:37:31","date_gmt":"2024-11-26T07:37:31","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34731\/"},"modified":"2024-11-26T15:37:31","modified_gmt":"2024-11-26T07:37:31","slug":"java%e6%80%8e%e4%b9%88%e8%be%93%e5%87%ba%e6%95%b0%e7%bb%84%e9%87%8c%e9%9d%a2%e7%9a%84%e5%80%bc","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34731\/","title":{"rendered":"java\u600e\u4e48\u8f93\u51fa\u6570\u7ec4\u91cc\u9762\u7684\u503c"},"content":{"rendered":"

\n \u6709\u4e09\u79cd\u65b9\u6cd5\u53ef\u4ee5\u8f93\u51fa java \u6570\u7ec4\u4e2d\u7684\u503c\uff1a\u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6570\u7ec4\u5e76\u6253\u5370\u6bcf\u4e2a\u5143\u7d20\u3002\u4f7f\u7528 arrays.tostring() \u65b9\u6cd5\u8fd4\u56de\u8868\u793a\u6570\u7ec4\u5185\u5bb9\u7684\u5b57\u7b26\u4e32\u3002\u4f7f\u7528 stringbuilder \u6784\u5efa\u5b57\u7b26\u4e32\u8868\u793a\u5f62\u5f0f\uff0c\u5305\u62ec\u6bcf\u4e2a\u5143\u7d20\u5e76\u7528\u9017\u53f7\u5206\u9694\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u8f93\u51fa\u6570\u7ec4\u91cc\u9762\u7684\u503c\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u8f93\u51fa Java \u6570\u7ec4\u4e2d\u7684\u503c<\/strong><\/p>\n

\u5728 Java \u4e2d\u8f93\u51fa\u6570\u7ec4\u4e2d\u7684\u503c\u6709\u591a\u79cd\u65b9\u6cd5\uff1a<\/p>\n

1. \u4f7f\u7528 for \u5faa\u73af<\/strong><\/p>\n

for \u5faa\u73af\u662f\u904d\u5386\u6570\u7ec4\u6700\u7b80\u5355\u548c\u6700\u76f4\u63a5\u7684\u65b9\u5f0f\uff1a<\/p>\n

\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

int[] numbers = {1, 2, 3, 4, 5};\n\n\/\/ \u904d\u5386\u6570\u7ec4\u5e76\u6253\u5370\u6bcf\u4e2a\u5143\u7d20\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
2. \u4f7f\u7528 Arrays.toString() \u65b9\u6cd5<\/strong><\/p>\n
Arrays.toString() \u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u8868\u793a\u6570\u7ec4\u5185\u5bb9\u7684\u5b57\u7b26\u4e32\u8868\u793a\u5f62\u5f0f\uff1a<\/p>\n
int[] numbers = {1, 2, 3, 4, 5};\n\n\/\/ \u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u5e76\u6253\u5370\nString arrayString = Arrays.toString(numbers);\nSystem.out.println(arrayString);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8f93\u51fa\uff1a<\/p>\n
[1, 2, 3, 4, 5]<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
3. \u4f7f\u7528 StringBuilder<\/strong><\/p>\n
StringBuilder \u53ef\u4ee5\u7528\u4e8e\u6e10\u8fdb\u5730\u6784\u5efa\u5b57\u7b26\u4e32\u8868\u793a\u5f62\u5f0f\uff1a<\/p>\n
int[] numbers = {1, 2, 3, 4, 5};\n\n\/\/ \u4f7f\u7528 StringBuilder \u6784\u5efa\u5b57\u7b26\u4e32\nStringBuilder builder = new StringBuilder(\"[\");\nfor (int number : numbers) {\n    builder.append(number).append(\", \");\n}\n\n\/\/ \u5220\u9664\u6700\u540e\u4e00\u4e2a\u9017\u53f7\u548c\u7a7a\u683c\nbuilder.deleteCharAt(builder.length() - 2);\nbuilder.append(\"]\");\n\n\/\/ \u6253\u5370\u6784\u5efa\u7684\u5b57\u7b26\u4e32\nString arrayString = builder.toString();\nSystem.out.println(arrayString);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8f93\u51fa\uff1a<\/p>\n
[1, 2, 3, 4, 5]<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u8f93\u51fa\u6570\u7ec4\u91cc\u9762\u7684\u503c\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":"
\u6709\u4e09\u79cd\u65b9\u6cd5\u53ef\u4ee5\u8f93\u51fa java \u6570\u7ec4\u4e2d\u7684\u503c\uff1a\u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6570\u7ec4\u5e76\u6253\u5370\u6bcf\u4e2a\u5143\u7d20\u3002\u4f7f\u7528 arrays.tostring() \u65b9\u6cd5\u8fd4\u56de\u8868\u793a\u6570\u7ec4\u5185\u5bb9\u7684\u5b57\u7b26\u4e32\u3002\u4f7f\u7528 stringbuilder \u6784\u5efa\u5b57\u7b26\u4e32\u8868\u793a\u5f62\u5f0f\uff0c\u5305\u62ec\u6bcf\u4e2a\u5143\u7d20\u5e76\u7528\u9017\u53f7\u5206\u9694\u3002 \u5982\u4f55\u8f93\u51fa Java \u6570\u7ec4\u4e2d\u7684\u503c \u5728 Java \u4e2d\u8f93\u51fa\u6570\u7ec4\u4e2d\u7684\u503c\u6709\u591a\u79cd\u65b9\u6cd5\uff1a 1. \u4f7f\u7528 for \u5faa\u73af for \u5faa\u73af\u662f\u904d\u5386\u6570\u7ec4\u6700\u7b80\u5355\u548c\u6700\u76f4\u63a5\u7684\u65b9\u5f0f\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = {1, 2, 3, 4, 5}; \/\/ \u904d\u5386\u6570\u7ec4\u5e76\u6253\u5370\u6bcf\u4e2a\u5143\u7d20 for (int number : numbers) { System.out.println(number); } \u767b\u5f55\u540e\u590d\u5236 \u8f93\u51fa\uff1a 1 2 3 4 5 \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528 Arrays.toString() \u65b9\u6cd5 Arrays.toString() \u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u8868\u793a\u6570\u7ec4\u5185\u5bb9\u7684\u5b57\u7b26\u4e32\u8868\u793a\u5f62\u5f0f\uff1a int[] […]<\/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-34731","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34731","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=34731"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34731\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=34731"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=34731"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=34731"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}