{"id":64588,"date":"2025-05-03T17:15:20","date_gmt":"2025-05-03T09:15:20","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64588\/"},"modified":"2025-05-03T17:15:20","modified_gmt":"2025-05-03T09:15:20","slug":"java%e4%b8%ad%e7%9a%84%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e8%a1%a8%e7%a4%ba%e4%bb%80%e4%b9%88%e6%84%8f%e6%80%9d-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64588\/","title":{"rendered":"java\u4e2d\u7684\u6570\u7ec4\u600e\u4e48\u8868\u793a\u4ec0\u4e48\u610f\u601d"},"content":{"rendered":"

\n \u5728 java \u4e2d\uff0c\u6570\u7ec4\u662f\u5b58\u50a8\u540c\u7c7b\u578b\u5143\u7d20\u7684\u56fa\u5b9a\u5927\u5c0f\u6570\u636e\u7ed3\u6784\uff0c\u4f7f\u7528\u8fde\u7eed\u5185\u5b58\u7a7a\u95f4\u5e76\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u3002\u5b83\u53ef\u4ee5\u521b\u5efa\u3001\u8bbf\u95ee\u3001\u4fee\u6539\u3001\u83b7\u53d6\u957f\u5ea6\u3001\u904d\u5386\u548c\u6392\u5e8f\u3002\u4e0e list \u76f8\u6bd4\uff0c\u6570\u7ec4\u5177\u6709\u56fa\u5b9a\u5927\u5c0f\u548c\u76f8\u540c\u7c7b\u578b\u5143\u7d20\uff0c\u800c list \u5177\u6709\u53ef\u53d8\u5927\u5c0f\u548c\u4e0d\u540c\u7c7b\u578b\u5143\u7d20\uff0c\u5e76\u4e14\u6027\u80fd\u901a\u5e38\u66f4\u597d\u3002\n<\/p><\/blockquote>\n

\"java\u4e2d\u7684\u6570\u7ec4\u600e\u4e48\u8868\u793a\u4ec0\u4e48\u610f\u601d\u63d2\u56fe\"<\/p>\n

java\u4e2d\u7684\u6570\u7ec4<\/strong><\/p>\n

\u5728Java\u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u53ef\u4ee5\u5b58\u50a8\u56fa\u5b9a\u6570\u91cf\u7684\u540c\u7c7b\u578b\u5143\u7d20\u3002\u5b83\u4f7f\u7528\u4e00\u4e2a\u8fde\u7eed\u7684\u5185\u5b58\u7a7a\u95f4\u6765\u5b58\u50a8\u5143\u7d20\uff0c\u5e76\u4e14\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u6bcf\u4e2a\u5143\u7d20\u3002<\/p>\n

\u8bed\u6cd5<\/strong><\/p>\n

\u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d = {\u5143\u7d201, \u5143\u7d202, ..., \u5143\u7d20n};<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f8b\u5982\uff1a<\/strong><\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
\u521b\u5efa\u4e00\u4e2aint\u7c7b\u578b\u7684\u6570\u7ec4\uff0c\u5e76\u521d\u59cb\u5316\u524d\u4e09\u4e2a\u5143\u7d20\uff1a<\/p>\n
int[] numbers = {1, 2, 3};<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u7d22\u5f15<\/strong><\/p>\n
\u6570\u7ec4\u5143\u7d20\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u3002\u7d22\u5f15\u4ece0\u5f00\u59cb\uff0c\u5230\u6570\u7ec4\u957f\u5ea6\u51cf1\u4e3a\u6b62\u3002<\/p>\n
\u4f8b\u5982\uff1a<\/strong><\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
\u8bbf\u95eenumbers\u6570\u7ec4\u7684\u7b2c\u4e8c\u4e2a\u5143\u7d20\uff1a<\/p>\n
int secondElement = numbers[1]; \/\/ \u503c\u4e3a2<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u64cd\u4f5c<\/strong><\/p>\n
\u5728Java\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u64cd\u4f5c\u6765\u64cd\u4f5c\u6570\u7ec4\uff1a<\/p>\n
    \n
  •  \u521b\u5efa\u6570\u7ec4\uff1a<\/strong>\u4f7f\u7528\u7ed9\u5b9a\u7684\u8bed\u6cd5\u3002<\/li>\n
  •  \u8bbf\u95ee\u5143\u7d20\uff1a<\/strong>\u4f7f\u7528\u7d22\u5f15\u3002<\/li>\n
  •  \u4fee\u6539\u5143\u7d20\uff1a<\/strong>\u901a\u8fc7\u7d22\u5f15\u4fee\u6539\u5143\u7d20\u7684\u503c\u3002<\/li>\n
  •  \u83b7\u53d6\u957f\u5ea6\uff1a<\/strong>\u4f7f\u7528length\u5c5e\u6027\u3002<\/li>\n
  •  \u904d\u5386\u6570\u7ec4\uff1a<\/strong>\u4f7f\u7528for\u5faa\u73af\u6216foreach\u5faa\u73af\u3002<\/li>\n
  •  \u6392\u5e8f\u6570\u7ec4\uff1a<\/strong>\u4f7f\u7528Arrays.sort()\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n
    \u6570\u7ec4\u4e0eList\u7684<\/strong><\/p>\n
    \u6570\u7ec4\u548cList\u90fd\u662f\u7528\u4e8e\u5b58\u50a8\u548c\u64cd\u4f5c\u5143\u7d20\u7684\u96c6\u5408\u3002\u7136\u800c\uff0c\u5b83\u4eec\u4e4b\u95f4\u6709\u4e00\u4e9b\u5173\u952e\u7684\u533a\u522b\uff1a<\/p>\n
      \n
    •  \u5927\u5c0f\uff1a<\/strong>\u6570\u7ec4\u7684\u5927\u5c0f\u662f\u56fa\u5b9a\u7684\uff0c\u800cList\u7684\u5927\u5c0f\u662f\u53ef\u53d8\u7684\u3002<\/li>\n
    •  \u7c7b\u578b\uff1a<\/strong>\u6570\u7ec4\u53ea\u80fd\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u7684\u6570\u636e\uff0c\u800cList\u53ef\u4ee5\u5b58\u50a8\u4e0d\u540c\u7c7b\u578b\u7684\u5143\u7d20\u3002<\/li>\n
    •  \u6027\u80fd\uff1a<\/strong>\u6570\u7ec4\u901a\u5e38\u6bd4List\u5177\u6709\u66f4\u597d\u7684\u6027\u80fd\uff0c\u56e0\u4e3a\u8bbf\u95ee\u5143\u7d20\u65f6\u4e0d\u9700\u8981\u67e5\u627e\u6216\u904d\u5386\u3002<\/li>\n<\/ul>\n
      \u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u7684\u6570\u7ec4\u600e\u4e48\u8868\u793a\u4ec0\u4e48\u610f\u601d\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u5728 java \u4e2d\uff0c\u6570\u7ec4\u662f\u5b58\u50a8\u540c\u7c7b\u578b\u5143\u7d20\u7684\u56fa\u5b9a\u5927\u5c0f\u6570\u636e\u7ed3\u6784\uff0c\u4f7f\u7528\u8fde\u7eed\u5185\u5b58\u7a7a\u95f4\u5e76\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u3002\u5b83\u53ef\u4ee5\u521b\u5efa\u3001\u8bbf\u95ee\u3001\u4fee\u6539\u3001\u83b7\u53d6\u957f\u5ea6\u3001\u904d\u5386\u548c\u6392\u5e8f\u3002\u4e0e list \u76f8\u6bd4\uff0c\u6570\u7ec4\u5177\u6709\u56fa\u5b9a\u5927\u5c0f\u548c\u76f8\u540c\u7c7b\u578b\u5143\u7d20\uff0c\u800c list \u5177\u6709\u53ef\u53d8\u5927\u5c0f\u548c\u4e0d\u540c\u7c7b\u578b\u5143\u7d20\uff0c\u5e76\u4e14\u6027\u80fd\u901a\u5e38\u66f4\u597d\u3002 java\u4e2d\u7684\u6570\u7ec4 \u5728Java\u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u53ef\u4ee5\u5b58\u50a8\u56fa\u5b9a\u6570\u91cf\u7684\u540c\u7c7b\u578b\u5143\u7d20\u3002\u5b83\u4f7f\u7528\u4e00\u4e2a\u8fde\u7eed\u7684\u5185\u5b58\u7a7a\u95f4\u6765\u5b58\u50a8\u5143\u7d20\uff0c\u5e76\u4e14\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u6bcf\u4e2a\u5143\u7d20\u3002 \u8bed\u6cd5 \u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d = {\u5143\u7d201, \u5143\u7d202, …, \u5143\u7d20n}; \u767b\u5f55\u540e\u590d\u5236 \u4f8b\u5982\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u521b\u5efa\u4e00\u4e2aint\u7c7b\u578b\u7684\u6570\u7ec4\uff0c\u5e76\u521d\u59cb\u5316\u524d\u4e09\u4e2a\u5143\u7d20\uff1a int[] numbers = {1, 2, 3}; \u767b\u5f55\u540e\u590d\u5236 \u7d22\u5f15 \u6570\u7ec4\u5143\u7d20\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u3002\u7d22\u5f15\u4ece0\u5f00\u59cb\uff0c\u5230\u6570\u7ec4\u957f\u5ea6\u51cf1\u4e3a\u6b62\u3002 \u4f8b\u5982\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u8bbf\u95eenumbers\u6570\u7ec4\u7684\u7b2c\u4e8c\u4e2a\u5143\u7d20\uff1a int secondElement = numbers[1]; \/\/ \u503c\u4e3a2 \u767b\u5f55\u540e\u590d\u5236 \u64cd\u4f5c \u5728Java\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u64cd\u4f5c\u6765\u64cd\u4f5c\u6570\u7ec4\uff1a \u521b\u5efa\u6570\u7ec4\uff1a\u4f7f\u7528\u7ed9\u5b9a\u7684\u8bed\u6cd5\u3002 \u8bbf\u95ee\u5143\u7d20\uff1a\u4f7f\u7528\u7d22\u5f15\u3002 \u4fee\u6539\u5143\u7d20\uff1a\u901a\u8fc7\u7d22\u5f15\u4fee\u6539\u5143\u7d20\u7684\u503c\u3002 \u83b7\u53d6\u957f\u5ea6\uff1a\u4f7f\u7528length\u5c5e\u6027\u3002 \u904d\u5386\u6570\u7ec4\uff1a\u4f7f\u7528for\u5faa\u73af\u6216foreach\u5faa\u73af\u3002 \u6392\u5e8f\u6570\u7ec4\uff1a\u4f7f\u7528Arrays.sort()\u65b9\u6cd5\u3002 \u6570\u7ec4\u4e0eList\u7684 \u6570\u7ec4\u548cList\u90fd\u662f\u7528\u4e8e\u5b58\u50a8\u548c\u64cd\u4f5c\u5143\u7d20\u7684\u96c6\u5408\u3002\u7136\u800c\uff0c\u5b83\u4eec\u4e4b\u95f4\u6709\u4e00\u4e9b\u5173\u952e\u7684\u533a\u522b\uff1a \u5927\u5c0f\uff1a\u6570\u7ec4\u7684\u5927\u5c0f\u662f\u56fa\u5b9a\u7684\uff0c\u800cList\u7684\u5927\u5c0f\u662f\u53ef\u53d8\u7684\u3002 \u7c7b\u578b\uff1a\u6570\u7ec4\u53ea\u80fd\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u7684\u6570\u636e\uff0c\u800cList\u53ef\u4ee5\u5b58\u50a8\u4e0d\u540c\u7c7b\u578b\u7684\u5143\u7d20\u3002 \u6027\u80fd\uff1a\u6570\u7ec4\u901a\u5e38\u6bd4List\u5177\u6709\u66f4\u597d\u7684\u6027\u80fd\uff0c\u56e0\u4e3a\u8bbf\u95ee\u5143\u7d20\u65f6\u4e0d\u9700\u8981\u67e5\u627e\u6216\u904d\u5386\u3002 \u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u7684\u6570\u7ec4\u600e\u4e48\u8868\u793a\u4ec0\u4e48\u610f\u601d\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/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-64588","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64588","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=64588"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64588\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64588"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64588"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64588"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}