{"id":40087,"date":"2024-11-26T16:11:02","date_gmt":"2024-11-26T08:11:02","guid":{"rendered":"https:\/\/fwq.ai\/blog\/40087\/"},"modified":"2024-11-26T16:11:02","modified_gmt":"2024-11-26T08:11:02","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e8%8e%b7%e5%be%97%e6%95%b0%e7%bb%84%e9%95%bf%e5%ba%a6%e5%92%8c%e5%86%85%e5%ae%b9","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/40087\/","title":{"rendered":"java\u4e2d\u600e\u4e48\u83b7\u5f97\u6570\u7ec4\u957f\u5ea6\u548c\u5185\u5bb9"},"content":{"rendered":"

\n java \u4e2d\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\u548c\u5185\u5bb9\uff1a1. \u4f7f\u7528 length \u5c5e\u6027\u83b7\u5f97\u6570\u7ec4\u957f\u5ea6\uff1b2. \u4f7f\u7528\u65b9\u62ec\u53f7\u8fd0\u7b97\u7b26\u8bbf\u95ee\u6570\u7ec4\u5185\u5bb9\uff0c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff1b3. for \u5faa\u73af\u904d\u5386\u6570\u7ec4\u6240\u6709\u5143\u7d20\uff1b4. arrays.tostring \u65b9\u6cd5\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u3002\n<\/p><\/blockquote>\n

\"java\u4e2d\u600e\u4e48\u83b7\u5f97\u6570\u7ec4\u957f\u5ea6\u548c\u5185\u5bb9\u63d2\u56fe\"<\/p>\n

Java \u4e2d\u83b7\u5f97\u6570\u7ec4\u957f\u5ea6\u548c\u5185\u5bb9<\/strong><\/p>\n

\u5982\u4f55\u83b7\u5f97\u6570\u7ec4\u957f\u5ea6\uff1f<\/strong><\/p>\n

Java \u4e2d\u6570\u7ec4\u7684\u957f\u5ea6\u53ef\u4ee5\u901a\u8fc7 length \u5c5e\u6027\u83b7\u5f97\u3002\u8be5\u5c5e\u6027\u662f\u4e00\u4e2a\u6574\u6570\uff0c\u8868\u793a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002<\/p>\n

\u4f8b\u5982\uff1a<\/strong><\/p>\n

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

int[] numbers = {1, 2, 3, 4, 5};\nint length = numbers.length; \/\/ length = 5<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5982\u4f55\u83b7\u5f97\u6570\u7ec4\u5185\u5bb9\uff1f<\/strong><\/p>\n
Java \u4e2d\u6570\u7ec4\u7684\u5185\u5bb9\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u65b9\u62ec\u53f7\uff08[]\uff09\u8fd0\u7b97\u7b26\u6765\u83b7\u5f97\u3002\u65b9\u62ec\u53f7\u5185\u7684\u6574\u6570\u8868\u793a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u7d22\u5f15\uff0c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3002<\/p>\n
\u4f8b\u5982\uff1a<\/strong><\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
int[] numbers = {1, 2, 3, 4, 5};\nint firstElement = numbers[0]; \/\/ firstElement = 1\nint lastElement = numbers[numbers.length - 1]; \/\/ lastElement = 5<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4ed6\u793a\u4f8b\uff1a<\/strong><\/p>\n
    \n
  • \n
    \u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff1a<\/p>\n
    int[] numbers = {1, 2, 3, 4, 5};\nfor (int i = 0; i < numbers.length; i++) {\n    System.out.println(numbers[i]); \/\/ \u8f93\u51fa\uff1a1 2 3 4 5\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/li>\n
  • \n
    \u4f7f\u7528 Arrays.toString \u65b9\u6cd5\u5c06\u6570\u7ec4\u8f6c\u6362\u6210\u5b57\u7b26\u4e32\uff1a<\/p>\n
    int[] numbers = {1, 2, 3, 4, 5};\nString arrayString = Arrays.toString(numbers); \/\/ arrayString = \"[1, 2, 3, 4, 5]\"<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<\/ul>\n
    \u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u600e\u4e48\u83b7\u5f97\u6570\u7ec4\u957f\u5ea6\u548c\u5185\u5bb9\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\u957f\u5ea6\u548c\u5185\u5bb9\uff1a1. \u4f7f\u7528 length \u5c5e\u6027\u83b7\u5f97\u6570\u7ec4\u957f\u5ea6\uff1b2. \u4f7f\u7528\u65b9\u62ec\u53f7\u8fd0\u7b97\u7b26\u8bbf\u95ee\u6570\u7ec4\u5185\u5bb9\uff0c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff1b3. for \u5faa\u73af\u904d\u5386\u6570\u7ec4\u6240\u6709\u5143\u7d20\uff1b4. arrays.tostring \u65b9\u6cd5\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u3002 Java \u4e2d\u83b7\u5f97\u6570\u7ec4\u957f\u5ea6\u548c\u5185\u5bb9 \u5982\u4f55\u83b7\u5f97\u6570\u7ec4\u957f\u5ea6\uff1f Java \u4e2d\u6570\u7ec4\u7684\u957f\u5ea6\u53ef\u4ee5\u901a\u8fc7 length \u5c5e\u6027\u83b7\u5f97\u3002\u8be5\u5c5e\u6027\u662f\u4e00\u4e2a\u6574\u6570\uff0c\u8868\u793a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002 \u4f8b\u5982\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = {1, 2, 3, 4, 5}; int length = numbers.length; \/\/ length = 5 \u767b\u5f55\u540e\u590d\u5236 \u5982\u4f55\u83b7\u5f97\u6570\u7ec4\u5185\u5bb9\uff1f Java \u4e2d\u6570\u7ec4\u7684\u5185\u5bb9\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u65b9\u62ec\u53f7\uff08[]\uff09\u8fd0\u7b97\u7b26\u6765\u83b7\u5f97\u3002\u65b9\u62ec\u53f7\u5185\u7684\u6574\u6570\u8868\u793a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u7d22\u5f15\uff0c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3002 \u4f8b\u5982\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = {1, 2, 3, 4, 5}; int firstElement […]<\/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-40087","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40087","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=40087"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40087\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=40087"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=40087"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=40087"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}