{"id":66543,"date":"2025-05-03T17:31:50","date_gmt":"2025-05-03T09:31:50","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66543\/"},"modified":"2025-05-03T17:31:50","modified_gmt":"2025-05-03T09:31:50","slug":"java%e6%80%8e%e4%b9%88%e5%a3%b0%e6%98%8e%e4%b8%80%e4%b8%aaint%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66543\/","title":{"rendered":"Java\u600e\u4e48\u58f0\u660e\u4e00\u4e2aint\u6570\u7ec4"},"content":{"rendered":"

\n java\u4e2d\u58f0\u660eint\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\u4e24\u79cd\uff1a\u4f7f\u7528\u6570\u7ec4\u5b57\u9762\u91cf\u76f4\u63a5\u6307\u5b9a\u5143\u7d20\u503c\uff1b\u4f7f\u7528new\u8fd0\u7b97\u7b26\u6307\u5b9a\u6570\u7ec4\u5927\u5c0f\uff0c\u5143\u7d20\u503c\u5728\u521b\u5efa\u540e\u521d\u59cb\u5316\u4e3a0\u3002\u901a\u8fc7\u4e0b\u6807\u8fd0\u7b97\u7b26\u53ef\u4ee5\u8bbf\u95ee\u548c\u4fee\u6539\u6570\u7ec4\u5143\u7d20\uff0c\u6570\u7ec4\u957f\u5ea6\u53ef\u4ee5\u901a\u8fc7length\u5c5e\u6027\u83b7\u53d6\u3002\n<\/p><\/blockquote>\n

\"Java\u600e\u4e48\u58f0\u660e\u4e00\u4e2aint\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

Java\u58f0\u660eint\u6570\u7ec4\u7684\u65b9\u6cd5<\/strong><\/p>\n

\u5728Java\u4e2d\uff0c\u58f0\u660eint\u6570\u7ec4\u6709\u4e24\u79cd\u5e38\u89c1\u7684\u65b9\u6cd5\uff1a<\/p>\n

\u65b9\u6cd51\uff1a\u4f7f\u7528\u6570\u7ec4\u5b57\u9762\u91cf<\/strong><\/p>\n

int[] numbers = {1, 2, 3, 4, 5};<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u76f4\u63a5\u5728\u58f0\u660e\u6570\u7ec4\u65f6\u6307\u5b9a\u5143\u7d20\u503c\u3002<\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
\u65b9\u6cd52\uff1a\u4f7f\u7528new\u8fd0\u7b97\u7b26<\/strong><\/p>\n
int[] numbers = new int[5];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\uff0c\u60a8\u9700\u8981\u6307\u5b9a\u6570\u7ec4\u7684\u5927\u5c0f\uff0c\u4f46\u5143\u7d20\u503c\u5728\u521b\u5efa\u540e\u624d\u521d\u59cb\u5316\u4e3a\u9ed8\u8ba4\u503c\uff080\uff09\u3002<\/p>\n
\u6570\u7ec4\u5143\u7d20\u8bbf\u95ee\u548c\u4fee\u6539<\/strong><\/p>\n
\u4e00\u65e6\u58f0\u660e\u4e86\u6570\u7ec4\uff0c\u60a8\u5c31\u53ef\u4ee5\u4f7f\u7528\u4e0b\u6807\u8fd0\u7b97\u7b26\u8bbf\u95ee\u548c\u4fee\u6539\u5176\u5143\u7d20\uff1a<\/p>\n
numbers[0] = 10;\nSystem.out.println(numbers[2]); \/\/ \u8f93\u51fa\uff1a3<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6570\u7ec4\u957f\u5ea6<\/strong><\/p>\n
\u60a8\u53ef\u4ee5\u4f7f\u7528length\u5c5e\u6027\u83b7\u53d6\u6570\u7ec4\u7684\u957f\u5ea6\uff1a<\/p>\n
int arrayLength = numbers.length;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ee5\u4e0a\u5c31\u662fJava\u600e\u4e48\u58f0\u660e\u4e00\u4e2aint\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
java\u4e2d\u58f0\u660eint\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\u4e24\u79cd\uff1a\u4f7f\u7528\u6570\u7ec4\u5b57\u9762\u91cf\u76f4\u63a5\u6307\u5b9a\u5143\u7d20\u503c\uff1b\u4f7f\u7528new\u8fd0\u7b97\u7b26\u6307\u5b9a\u6570\u7ec4\u5927\u5c0f\uff0c\u5143\u7d20\u503c\u5728\u521b\u5efa\u540e\u521d\u59cb\u5316\u4e3a0\u3002\u901a\u8fc7\u4e0b\u6807\u8fd0\u7b97\u7b26\u53ef\u4ee5\u8bbf\u95ee\u548c\u4fee\u6539\u6570\u7ec4\u5143\u7d20\uff0c\u6570\u7ec4\u957f\u5ea6\u53ef\u4ee5\u901a\u8fc7length\u5c5e\u6027\u83b7\u53d6\u3002 Java\u58f0\u660eint\u6570\u7ec4\u7684\u65b9\u6cd5 \u5728Java\u4e2d\uff0c\u58f0\u660eint\u6570\u7ec4\u6709\u4e24\u79cd\u5e38\u89c1\u7684\u65b9\u6cd5\uff1a \u65b9\u6cd51\uff1a\u4f7f\u7528\u6570\u7ec4\u5b57\u9762\u91cf int[] numbers = {1, 2, 3, 4, 5}; \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u76f4\u63a5\u5728\u58f0\u660e\u6570\u7ec4\u65f6\u6307\u5b9a\u5143\u7d20\u503c\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u65b9\u6cd52\uff1a\u4f7f\u7528new\u8fd0\u7b97\u7b26 int[] numbers = new int[5]; \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\uff0c\u60a8\u9700\u8981\u6307\u5b9a\u6570\u7ec4\u7684\u5927\u5c0f\uff0c\u4f46\u5143\u7d20\u503c\u5728\u521b\u5efa\u540e\u624d\u521d\u59cb\u5316\u4e3a\u9ed8\u8ba4\u503c\uff080\uff09\u3002 \u6570\u7ec4\u5143\u7d20\u8bbf\u95ee\u548c\u4fee\u6539 \u4e00\u65e6\u58f0\u660e\u4e86\u6570\u7ec4\uff0c\u60a8\u5c31\u53ef\u4ee5\u4f7f\u7528\u4e0b\u6807\u8fd0\u7b97\u7b26\u8bbf\u95ee\u548c\u4fee\u6539\u5176\u5143\u7d20\uff1a numbers[0] = 10; System.out.println(numbers[2]); \/\/ \u8f93\u51fa\uff1a3 \u767b\u5f55\u540e\u590d\u5236 \u6570\u7ec4\u957f\u5ea6 \u60a8\u53ef\u4ee5\u4f7f\u7528length\u5c5e\u6027\u83b7\u53d6\u6570\u7ec4\u7684\u957f\u5ea6\uff1a int arrayLength = numbers.length; \u767b\u5f55\u540e\u590d\u5236 \u4ee5\u4e0a\u5c31\u662fJava\u600e\u4e48\u58f0\u660e\u4e00\u4e2aint\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/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-66543","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66543","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=66543"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66543\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66543"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66543"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}