{"id":39888,"date":"2024-11-26T16:18:58","date_gmt":"2024-11-26T08:18:58","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39888\/"},"modified":"2024-11-26T16:18:58","modified_gmt":"2024-11-26T08:18:58","slug":"java%e4%b8%ad%e6%95%b0%e7%bb%84%e5%af%b9%e8%b1%a1%e7%9a%84%e5%80%bc%e6%80%8e%e4%b9%88%e8%8e%b7%e5%8f%96%e5%88%b0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39888\/","title":{"rendered":"java\u4e2d\u6570\u7ec4\u5bf9\u8c61\u7684\u503c\u600e\u4e48\u83b7\u53d6\u5230"},"content":{"rendered":"

\n java \u4e2d\u83b7\u53d6\u6570\u7ec4\u5bf9\u8c61\u503c\u7684\u65b9\u6cd5\u5305\u62ec\uff1a1. \u76f4\u63a5\u8bbf\u95ee\u6570\u7ec4\u4e0b\u6807\uff1b2. \u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6570\u7ec4\uff1b3. \u4f7f\u7528 arrays.tostring() \u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff1b4. \u4f7f\u7528 arrays.stream() \u8fd4\u56de\u4e00\u4e2a\u6d41\uff1b5. \u8bbf\u95ee length \u5c5e\u6027\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\u3002\n<\/p><\/blockquote>\n

\"java\u4e2d\u6570\u7ec4\u5bf9\u8c61\u7684\u503c\u600e\u4e48\u83b7\u53d6\u5230\u63d2\u56fe\"<\/p>\n

Java\u4e2d\u83b7\u53d6\u6570\u7ec4\u5bf9\u8c61\u503c\u7684\u65b9\u6cd5<\/strong><\/p>\n

\u76f4\u63a5\u8bbf\u95ee<\/strong><\/p>\n

\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u76f4\u63a5\u4f7f\u7528\u6570\u7ec4\u4e0b\u6807\u8bbf\u95ee\u5143\u7d20\u503c\uff1a<\/p>\n

int[] array = {1, 2, 3};\nint firstElement = array[0]; \/\/ \u83b7\u53d6\u7b2c\u4e00\u4e2a\u5143\u7d20\u503c<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528for\u5faa\u73af<\/strong><\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
\u904d\u5386\u6570\u7ec4\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528for\u5faa\u73af\u8bbf\u95ee\u6bcf\u4e2a\u5143\u7d20\uff1a<\/p>\n
int[] array = {1, 2, 3};\nfor (int element : array) {\n    System.out.println(element); \/\/ \u6253\u5370\u6bcf\u4e2a\u5143\u7d20\u503c\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528Arrays.toString()\u65b9\u6cd5<\/strong><\/p>\n
Arrays\u5de5\u5177\u7c7b\u63d0\u4f9b\u4e86toString()\u65b9\u6cd5\uff0c\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u5176\u4e2d\u5305\u542b\u5143\u7d20\u503c\uff1a<\/p>\n
int[] array = {1, 2, 3};\nString arrayString = Arrays.toString(array); \/\/ \u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528Arrays.stream()\u65b9\u6cd5<\/strong><\/p>\n
Java 8\u5f15\u5165\u4e86\u4e00\u4e2a\u540d\u4e3astream()\u7684\u65b9\u6cd5\uff0c\u5b83\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u6570\u7ec4\u5143\u7d20\u7684\u6d41\u3002\u6d41\u53ef\u4ee5\u7528\u4e8e\u5404\u79cd\u64cd\u4f5c\uff0c\u5305\u62ec\u83b7\u53d6\u5143\u7d20\u503c\uff1a<\/p>\n
int[] array = {1, 2, 3};\nArrays.stream(array).forEach(element -> System.out.println(element)); \/\/ \u6253\u5370\u6bcf\u4e2a\u5143\u7d20\u503c<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6<\/strong><\/p>\n
\u6570\u7ec4\u7684\u957f\u5ea6\u53ef\u4ee5\u901a\u8fc7\u8bbf\u95eelength\u5c5e\u6027\u83b7\u53d6\uff1a<\/p>\n
int[] array = {1, 2, 3};\nint arrayLength = array.length; \/\/ \u83b7\u53d6\u6570\u7ec4\u957f\u5ea6<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u6570\u7ec4\u5bf9\u8c61\u7684\u503c\u600e\u4e48\u83b7\u53d6\u5230\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\u83b7\u53d6\u6570\u7ec4\u5bf9\u8c61\u503c\u7684\u65b9\u6cd5\u5305\u62ec\uff1a1. \u76f4\u63a5\u8bbf\u95ee\u6570\u7ec4\u4e0b\u6807\uff1b2. \u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6570\u7ec4\uff1b3. \u4f7f\u7528 arrays.tostring() \u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff1b4. \u4f7f\u7528 arrays.stream() \u8fd4\u56de\u4e00\u4e2a\u6d41\uff1b5. \u8bbf\u95ee length \u5c5e\u6027\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\u3002 Java\u4e2d\u83b7\u53d6\u6570\u7ec4\u5bf9\u8c61\u503c\u7684\u65b9\u6cd5 \u76f4\u63a5\u8bbf\u95ee \u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u76f4\u63a5\u4f7f\u7528\u6570\u7ec4\u4e0b\u6807\u8bbf\u95ee\u5143\u7d20\u503c\uff1a int[] array = {1, 2, 3}; int firstElement = array[0]; \/\/ \u83b7\u53d6\u7b2c\u4e00\u4e2a\u5143\u7d20\u503c \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528for\u5faa\u73af \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u904d\u5386\u6570\u7ec4\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528for\u5faa\u73af\u8bbf\u95ee\u6bcf\u4e2a\u5143\u7d20\uff1a int[] array = {1, 2, 3}; for (int element : array) { System.out.println(element); \/\/ \u6253\u5370\u6bcf\u4e2a\u5143\u7d20\u503c } \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528Arrays.toString()\u65b9\u6cd5 Arrays\u5de5\u5177\u7c7b\u63d0\u4f9b\u4e86toString()\u65b9\u6cd5\uff0c\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u5176\u4e2d\u5305\u542b\u5143\u7d20\u503c\uff1a int[] array […]<\/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-39888","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39888","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=39888"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39888\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39888"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39888"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39888"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}