{"id":65275,"date":"2025-05-03T16:52:15","date_gmt":"2025-05-03T08:52:15","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65275\/"},"modified":"2025-05-03T16:52:15","modified_gmt":"2025-05-03T08:52:15","slug":"java%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%ae%9e%e7%8e%b0-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65275\/","title":{"rendered":"java\u6570\u7ec4\u600e\u4e48\u5b9e\u73b0"},"content":{"rendered":"

\n java \u6570\u7ec4\u662f\u4e00\u79cd\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u5143\u7d20\u7684\u56fa\u5b9a\u957f\u5ea6\u7ebf\u6027\u6570\u636e\u7ed3\u6784\u3002\u58f0\u660e\uff1a\u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d = new \u6570\u636e\u7c7b\u578b[\u957f\u5ea6];\u5143\u7d20\u8bbf\u95ee\uff1a\u4f7f\u7528\u7d22\u5f15\u8bbf\u95ee\uff0c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff1b\u5143\u7d20\u8d4b\u503c\uff1a\u901a\u8fc7\u7d22\u5f15\u8d4b\u503c\uff1b\u6570\u7ec4\u904d\u5386\uff1a\u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u5143\u7d20\uff1b\u4f18\u70b9\uff1a\u5b58\u50a8\u76f8\u540c\u6570\u636e\u9ad8\u6548\u3001\u8bbf\u95ee\u5feb\u901f\u3001\u5185\u5b58\u5206\u914d\u56fa\u5b9a\uff1b\u7f3a\u70b9\uff1a\u521b\u5efa\u540e\u957f\u5ea6\u4e0d\u53ef\u53d8\u3001\u5b58\u50a8\u4e0d\u540c\u6570\u636e\u7c7b\u578b\u9700\u521b\u5efa\u4e0d\u540c\u6570\u7ec4\u3001\u5143\u7d20\u8f83\u5c11\u53ef\u80fd\u6d6a\u8d39\u5185\u5b58\u3002\n<\/p><\/blockquote>\n

\"java\u6570\u7ec4\u600e\u4e48\u5b9e\u73b0\u63d2\u56fe\"<\/p>\n

Java\u6570\u7ec4\u7684\u5b9e\u73b0<\/strong><\/p>\n

Java\u6570\u7ec4\u662f\u4e00\u79cd\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u5143\u7d20\u7684\u56fa\u5b9a\u957f\u5ea6\u7ebf\u6027\u6570\u636e\u7ed3\u6784\u3002\u5728Java\u4e2d\uff0c\u6570\u7ec4\u4f7f\u7528\u5982\u4e0b\u8bed\u6cd5\u58f0\u660e\uff1a<\/p>\n

\u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d = new \u6570\u636e\u7c7b\u578b[\u957f\u5ea6];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f8b\u5982\uff0c\u521b\u5efa\u4e00\u4e2a\u5305\u542b10\u4e2a\u6574\u6570\u7684\u6570\u7ec4\uff1a<\/p>\n
int[] numbers = new int[10];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5143\u7d20\u8bbf\u95ee<\/strong><\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u8fdb\u884c\u8bbf\u95ee\u3002\u7d22\u5f15\u4ece0\u5f00\u59cb\uff0c\u56e0\u6b64\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u4e3a0\uff0c\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u4e3alength – 1\u3002<\/p>\n
int firstElement = numbers[0];\nint lastElement = numbers[numbers.length - 1];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5143\u7d20\u8d4b\u503c<\/strong><\/p>\n
\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u4e3a\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\uff1a<\/p>\n
numbers[0] = 5;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6570\u7ec4\u904d\u5386<\/strong><\/p>\n
\u53ef\u4ee5\u4f7f\u7528for\u5faa\u73af\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a<\/p>\n
for (int i = 0; i < numbers.length; i++) {\n    System.out.println(numbers[i]);\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
Java\u6570\u7ec4\u7684\u4f18\u70b9<\/strong><\/p>\n
    \n
  • \u5bf9\u4e8e\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u7684\u6570\u636e\u975e\u5e38\u9ad8\u6548\u3002<\/li>\n
  • \u8bbf\u95ee\u5143\u7d20\u7684\u901f\u5ea6\u5f88\u5feb\uff0c\u56e0\u4e3a\u5b83\u4eec\u662f\u8fde\u7eed\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\u7684\u3002<\/li>\n
  • \u62e5\u6709\u56fa\u5b9a\u7684\u957f\u5ea6\uff0c\u56e0\u6b64\u5185\u5b58\u5206\u914d\u662f\u5728\u521b\u5efa\u6570\u7ec4\u65f6\u8fdb\u884c\u7684\uff0c\u65e0\u9700\u52a8\u6001\u8c03\u6574\u5927\u5c0f\u3002<\/li>\n<\/ul>\n
    Java\u6570\u7ec4\u7684\u7f3a\u70b9<\/strong><\/p>\n
      \n
    • \u4e00\u65e6\u521b\u5efa\uff0c\u6570\u7ec4\u7684\u957f\u5ea6\u65e0\u6cd5\u6539\u53d8\u3002<\/li>\n
    • \u5982\u679c\u9700\u8981\u5b58\u50a8\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\uff0c\u5219\u9700\u8981\u521b\u5efa\u4e0d\u540c\u7684\u6570\u7ec4\u3002<\/li>\n
    • \u5982\u679c\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u8f83\u5c11\uff0c\u53ef\u80fd\u4f1a\u6d6a\u8d39\u5185\u5b58\u7a7a\u95f4\u3002<\/li>\n<\/ul>\n
      \u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u600e\u4e48\u5b9e\u73b0\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 \u6570\u7ec4\u662f\u4e00\u79cd\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u5143\u7d20\u7684\u56fa\u5b9a\u957f\u5ea6\u7ebf\u6027\u6570\u636e\u7ed3\u6784\u3002\u58f0\u660e\uff1a\u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d = new \u6570\u636e\u7c7b\u578b[\u957f\u5ea6];\u5143\u7d20\u8bbf\u95ee\uff1a\u4f7f\u7528\u7d22\u5f15\u8bbf\u95ee\uff0c\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff1b\u5143\u7d20\u8d4b\u503c\uff1a\u901a\u8fc7\u7d22\u5f15\u8d4b\u503c\uff1b\u6570\u7ec4\u904d\u5386\uff1a\u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u5143\u7d20\uff1b\u4f18\u70b9\uff1a\u5b58\u50a8\u76f8\u540c\u6570\u636e\u9ad8\u6548\u3001\u8bbf\u95ee\u5feb\u901f\u3001\u5185\u5b58\u5206\u914d\u56fa\u5b9a\uff1b\u7f3a\u70b9\uff1a\u521b\u5efa\u540e\u957f\u5ea6\u4e0d\u53ef\u53d8\u3001\u5b58\u50a8\u4e0d\u540c\u6570\u636e\u7c7b\u578b\u9700\u521b\u5efa\u4e0d\u540c\u6570\u7ec4\u3001\u5143\u7d20\u8f83\u5c11\u53ef\u80fd\u6d6a\u8d39\u5185\u5b58\u3002 Java\u6570\u7ec4\u7684\u5b9e\u73b0 Java\u6570\u7ec4\u662f\u4e00\u79cd\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u5143\u7d20\u7684\u56fa\u5b9a\u957f\u5ea6\u7ebf\u6027\u6570\u636e\u7ed3\u6784\u3002\u5728Java\u4e2d\uff0c\u6570\u7ec4\u4f7f\u7528\u5982\u4e0b\u8bed\u6cd5\u58f0\u660e\uff1a \u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d = new \u6570\u636e\u7c7b\u578b[\u957f\u5ea6]; \u767b\u5f55\u540e\u590d\u5236 \u4f8b\u5982\uff0c\u521b\u5efa\u4e00\u4e2a\u5305\u542b10\u4e2a\u6574\u6570\u7684\u6570\u7ec4\uff1a int[] numbers = new int[10]; \u767b\u5f55\u540e\u590d\u5236 \u5143\u7d20\u8bbf\u95ee \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u8fdb\u884c\u8bbf\u95ee\u3002\u7d22\u5f15\u4ece0\u5f00\u59cb\uff0c\u56e0\u6b64\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u4e3a0\uff0c\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u4e3alength – 1\u3002 int firstElement = numbers[0]; int lastElement = numbers[numbers.length – 1]; \u767b\u5f55\u540e\u590d\u5236 \u5143\u7d20\u8d4b\u503c \u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u4e3a\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\uff1a numbers[0] = 5; \u767b\u5f55\u540e\u590d\u5236 \u6570\u7ec4\u904d\u5386 \u53ef\u4ee5\u4f7f\u7528for\u5faa\u73af\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a for (int i = 0; i […]<\/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-65275","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65275","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=65275"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65275\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65275"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65275"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65275"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}