{"id":38604,"date":"2024-11-26T15:10:25","date_gmt":"2024-11-26T07:10:25","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38604\/"},"modified":"2024-11-26T15:10:25","modified_gmt":"2024-11-26T07:10:25","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e8%8e%b7%e5%8f%96%e6%95%b0%e7%bb%84%e4%b8%ad%e7%9a%84%e5%80%bc","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38604\/","title":{"rendered":"java\u4e2d\u600e\u4e48\u83b7\u53d6\u6570\u7ec4\u4e2d\u7684\u503c"},"content":{"rendered":"

\n \u5728 java \u4e2d\u83b7\u53d6\u6570\u7ec4\u4e2d\u7684\u503c\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u8fd0\u7b97\u7b26\u83b7\u53d6\u7279\u5b9a\u7d22\u5f15\u7684\u503c\u3002\u4f7f\u7528 for \u5faa\u73af\u83b7\u53d6\u6240\u6709\u503c\u3002\u4f7f\u7528 arrays.tostring() \u65b9\u6cd5\u83b7\u53d6\u6240\u6709\u503c\u3002\u4f7f\u7528\u6570\u7ec4\u5c5e\u6027 length \u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\u3002\n<\/p><\/blockquote>\n

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

\u5982\u4f55\u5728 Java \u4e2d\u83b7\u53d6\u6570\u7ec4\u4e2d\u7684\u503c<\/strong><\/p>\n

\u83b7\u53d6\u6570\u7ec4\u4e2d\u7279\u5b9a\u7d22\u5f15\u7684\u503c<\/strong><\/p>\n

\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u8fd0\u7b97\u7b26 []\uff0c\u540e\u8ddf\u8981\u68c0\u7d22\u5143\u7d20\u7684\u7d22\u5f15\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u83b7\u53d6\u6570\u7ec4\u4e2d\u7d22\u5f15\u4e3a 0 \u7684\u5143\u7d20\uff1a<\/p>\n

int[] myArray = {1, 2, 3};\nint value = myArray[0]; \/\/ value = 1<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u83b7\u53d6\u6570\u7ec4\u4e2d\u6240\u6709\u503c<\/strong><\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
\u8981\u83b7\u53d6\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2a for \u5faa\u73af\uff1a<\/p>\n
int[] myArray = {1, 2, 3};\nfor (int element : myArray) {\n  System.out.println(element); \/\/ \u8f93\u51fa\uff1a1 2 3\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u53e6\u4e00\u79cd\u83b7\u53d6\u6570\u7ec4\u4e2d\u6240\u6709\u503c\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 Arrays.toString() \u65b9\u6cd5\uff1a<\/p>\n
int[] myArray = {1, 2, 3};\nString arrayString = Arrays.toString(myArray); \/\/ arrayString = \"[1, 2, 3]\"<\/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\u83b7\u53d6\u5c5e\u6027 length\uff1a<\/p>\n
int[] myArray = {1, 2, 3};\nint arrayLength = myArray.length; \/\/ arrayLength = 3<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n
    \n
  • \u786e\u4fdd\u7d22\u5f15\u5728\u6570\u7ec4\u8303\u56f4\u5185\uff0c\u5426\u5219\u4f1a\u5f15\u53d1\u5f02\u5e38\u3002<\/li>\n
  • \u6570\u7ec4\u7d22\u5f15\u662f\u4ece 0 \u5f00\u59cb\u7684\uff0c\u8fd9\u610f\u5473\u7740\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u4e3a 0\uff0c\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u4e3a length – 1\u3002<\/li>\n
  • \u5bf9\u4e8e\u591a\u7ef4\u6570\u7ec4\uff0c\u6bcf\u4e2a\u7ef4\u5ea6\u7684\u7d22\u5f15\u90fd\u7528\u65b9\u62ec\u53f7\u5206\u9694\u3002\u4f8b\u5982\uff0cmyArray[0][1] \u83b7\u53d6\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7b2c 0 \u884c\uff0c\u7b2c 1 \u5217\u7684\u503c\u3002<\/li>\n<\/ul>\n
    \u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u600e\u4e48\u83b7\u53d6\u6570\u7ec4\u4e2d\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":"
    \u5728 java \u4e2d\u83b7\u53d6\u6570\u7ec4\u4e2d\u7684\u503c\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u8fd0\u7b97\u7b26\u83b7\u53d6\u7279\u5b9a\u7d22\u5f15\u7684\u503c\u3002\u4f7f\u7528 for \u5faa\u73af\u83b7\u53d6\u6240\u6709\u503c\u3002\u4f7f\u7528 arrays.tostring() \u65b9\u6cd5\u83b7\u53d6\u6240\u6709\u503c\u3002\u4f7f\u7528\u6570\u7ec4\u5c5e\u6027 length \u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\u3002 \u5982\u4f55\u5728 Java \u4e2d\u83b7\u53d6\u6570\u7ec4\u4e2d\u7684\u503c \u83b7\u53d6\u6570\u7ec4\u4e2d\u7279\u5b9a\u7d22\u5f15\u7684\u503c \u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u8fd0\u7b97\u7b26 []\uff0c\u540e\u8ddf\u8981\u68c0\u7d22\u5143\u7d20\u7684\u7d22\u5f15\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u83b7\u53d6\u6570\u7ec4\u4e2d\u7d22\u5f15\u4e3a 0 \u7684\u5143\u7d20\uff1a int[] myArray = {1, 2, 3}; int value = myArray[0]; \/\/ value = 1 \u767b\u5f55\u540e\u590d\u5236 \u83b7\u53d6\u6570\u7ec4\u4e2d\u6240\u6709\u503c \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u8981\u83b7\u53d6\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2a for \u5faa\u73af\uff1a int[] myArray = {1, 2, 3}; for (int element : myArray) { System.out.println(element); \/\/ \u8f93\u51fa\uff1a1 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-38604","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38604","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=38604"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38604\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38604"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38604"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}