{"id":36829,"date":"2024-11-26T15:52:48","date_gmt":"2024-11-26T07:52:48","guid":{"rendered":"https:\/\/fwq.ai\/blog\/36829\/"},"modified":"2024-11-26T15:52:48","modified_gmt":"2024-11-26T07:52:48","slug":"java%e6%80%8e%e4%b9%88%e7%94%9f%e5%91%bd%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/36829\/","title":{"rendered":"java\u600e\u4e48\u751f\u547d\u6570\u7ec4"},"content":{"rendered":"

\n java\u4e2d\uff0c\u53ef\u4f7f\u7528new\u5173\u952e\u5b57\u548c\u7c7b\u578b\u540d\u521b\u5efa\u6570\u7ec4\uff0c\u7c7b\u578b\u53d6\u51b3\u4e8e\u5b58\u50a8\u5143\u7d20\u7684\u7c7b\u578b\uff0c\u5982int[] numbers = new int[5]\u521b\u5efa\u4e00\u4e2a\u5305\u542b5\u4e2a\u6574\u578b\u7684\u6570\u7ec4\u3002\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff0c\u4ece0\u5f00\u59cb\uff0c\u5982numbers[0]\u83b7\u53d6\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002\u53ef\u901a\u8fc7\u7d22\u5f15\u8d4b\u503c\uff0c\u5982numbers[1] = 10\u3002\u6570\u7ec4\u957f\u5ea6\u901a\u8fc7length\u5c5e\u6027\u83b7\u53d6\uff0c\u5982numbers.length\u5f97\u5230\u6570\u7ec4\u957f\u5ea6\u3002\u4f7f\u7528\u5faa\u73af\u8bed\u53e5\u53ef\u904d\u5386\u6570\u7ec4\u5143\u7d20\uff0c\u5982\u4f7f\u7528for\u5faa\u73af\u904d\u5386numbers\u6570\u7ec4\uff0c\u5bf9\u6bcf\u4e2a\u5143\u7d20\u6267\u884c\u64cd\u4f5c\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u751f\u547d\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

Java \u4e2d\u521b\u5efa\u6570\u7ec4<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 new \u5173\u952e\u5b57\u548c\u7c7b\u578b\u540d\u6765\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\u3002\u6570\u7ec4\u7684\u7c7b\u578b\u53d6\u51b3\u4e8e\u8981\u5b58\u50a8\u7684\u5143\u7d20\u7684\u7c7b\u578b\u3002\u4f8b\u5982\uff0c\u521b\u5efa\u4e00\u4e2a\u5b58\u50a8\u6574\u6570\u7684\u6570\u7ec4\uff1a<\/p>\n

int[] numbers = new int[5];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6b64\u4ee3\u7801\u521b\u5efa\u4e00\u4e2a\u5305\u542b 5 \u4e2a\u5143\u7d20\u7684\u6574\u6570\u6570\u7ec4\u3002\u6570\u7ec4\u7684\u5927\u5c0f\u5728\u521b\u5efa\u65f6\u56fa\u5b9a\uff0c\u4f46\u53ef\u4ee5\u5b58\u50a8\u4efb\u610f\u503c\u3002<\/p>\n
\u6570\u7ec4\u5143\u7d20\u7684\u8bbf\u95ee<\/strong><\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
\u53ef\u4ee5\u901a\u8fc7\u6570\u7ec4\u7d22\u5f15\u6765\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u56e0\u6b64\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u4e3a 0\uff0c\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u4e3a array.length – 1\u3002<\/p>\n
\u4f8b\u5982\uff0c\u83b7\u53d6\u6570\u7ec4\u4e2d\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u503c\uff1a<\/p>\n
int firstNumber = numbers[0];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6570\u7ec4\u5143\u7d20\u7684\u8d4b\u503c<\/strong><\/p>\n
\u4e5f\u53ef\u4ee5\u901a\u8fc7\u6570\u7ec4\u7d22\u5f15\u4e3a\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\u3002<\/p>\n
\u4f8b\u5982\uff0c\u5c06\u6570\u7ec4\u4e2d\u7b2c\u4e8c\u4e2a\u5143\u7d20\u8bbe\u7f6e\u4e3a 10\uff1a<\/p>\n
numbers[1] = 10;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6570\u7ec4\u7684\u957f\u5ea6<\/strong><\/p>\n
\u53ef\u4ee5\u901a\u8fc7 length \u5c5e\u6027\u83b7\u53d6\u6570\u7ec4\u7684\u957f\u5ea6\u3002<\/p>\n
\u4f8b\u5982\uff0c\u83b7\u53d6\u6570\u7ec4 numbers \u7684\u957f\u5ea6\uff1a<\/p>\n
int length = numbers.length;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u904d\u5386\u6570\u7ec4<\/strong><\/p>\n
\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u8bed\u53e5\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u3002<\/p>\n
\u4f8b\u5982\uff0c\u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6570\u7ec4 numbers\uff1a<\/p>\n
for (int i = 0; i < numbers.length; i++) {\n    int number = numbers[i];\n    \/\/ \u5bf9\u5143\u7d20\u6267\u884c\u64cd\u4f5c\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u751f\u547d\u6570\u7ec4\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":"
java\u4e2d\uff0c\u53ef\u4f7f\u7528new\u5173\u952e\u5b57\u548c\u7c7b\u578b\u540d\u521b\u5efa\u6570\u7ec4\uff0c\u7c7b\u578b\u53d6\u51b3\u4e8e\u5b58\u50a8\u5143\u7d20\u7684\u7c7b\u578b\uff0c\u5982int[] numbers = new int[5]\u521b\u5efa\u4e00\u4e2a\u5305\u542b5\u4e2a\u6574\u578b\u7684\u6570\u7ec4\u3002\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff0c\u4ece0\u5f00\u59cb\uff0c\u5982numbers[0]\u83b7\u53d6\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002\u53ef\u901a\u8fc7\u7d22\u5f15\u8d4b\u503c\uff0c\u5982numbers[1] = 10\u3002\u6570\u7ec4\u957f\u5ea6\u901a\u8fc7length\u5c5e\u6027\u83b7\u53d6\uff0c\u5982numbers.length\u5f97\u5230\u6570\u7ec4\u957f\u5ea6\u3002\u4f7f\u7528\u5faa\u73af\u8bed\u53e5\u53ef\u904d\u5386\u6570\u7ec4\u5143\u7d20\uff0c\u5982\u4f7f\u7528for\u5faa\u73af\u904d\u5386numbers\u6570\u7ec4\uff0c\u5bf9\u6bcf\u4e2a\u5143\u7d20\u6267\u884c\u64cd\u4f5c\u3002 Java \u4e2d\u521b\u5efa\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 new \u5173\u952e\u5b57\u548c\u7c7b\u578b\u540d\u6765\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\u3002\u6570\u7ec4\u7684\u7c7b\u578b\u53d6\u51b3\u4e8e\u8981\u5b58\u50a8\u7684\u5143\u7d20\u7684\u7c7b\u578b\u3002\u4f8b\u5982\uff0c\u521b\u5efa\u4e00\u4e2a\u5b58\u50a8\u6574\u6570\u7684\u6570\u7ec4\uff1a int[] numbers = new int[5]; \u767b\u5f55\u540e\u590d\u5236 \u6b64\u4ee3\u7801\u521b\u5efa\u4e00\u4e2a\u5305\u542b 5 \u4e2a\u5143\u7d20\u7684\u6574\u6570\u6570\u7ec4\u3002\u6570\u7ec4\u7684\u5927\u5c0f\u5728\u521b\u5efa\u65f6\u56fa\u5b9a\uff0c\u4f46\u53ef\u4ee5\u5b58\u50a8\u4efb\u610f\u503c\u3002 \u6570\u7ec4\u5143\u7d20\u7684\u8bbf\u95ee \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u53ef\u4ee5\u901a\u8fc7\u6570\u7ec4\u7d22\u5f15\u6765\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u56e0\u6b64\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u4e3a 0\uff0c\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u4e3a array.length – 1\u3002 \u4f8b\u5982\uff0c\u83b7\u53d6\u6570\u7ec4\u4e2d\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u503c\uff1a int firstNumber = numbers[0]; \u767b\u5f55\u540e\u590d\u5236 \u6570\u7ec4\u5143\u7d20\u7684\u8d4b\u503c \u4e5f\u53ef\u4ee5\u901a\u8fc7\u6570\u7ec4\u7d22\u5f15\u4e3a\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\u3002 \u4f8b\u5982\uff0c\u5c06\u6570\u7ec4\u4e2d\u7b2c\u4e8c\u4e2a\u5143\u7d20\u8bbe\u7f6e\u4e3a 10\uff1a numbers[1] = 10; \u767b\u5f55\u540e\u590d\u5236 \u6570\u7ec4\u7684\u957f\u5ea6 \u53ef\u4ee5\u901a\u8fc7 length \u5c5e\u6027\u83b7\u53d6\u6570\u7ec4\u7684\u957f\u5ea6\u3002 \u4f8b\u5982\uff0c\u83b7\u53d6\u6570\u7ec4 numbers \u7684\u957f\u5ea6\uff1a int length […]<\/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-36829","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36829","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=36829"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36829\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=36829"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=36829"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=36829"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}