{"id":65835,"date":"2025-05-03T12:48:41","date_gmt":"2025-05-03T04:48:41","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65835\/"},"modified":"2025-05-03T12:48:41","modified_gmt":"2025-05-03T04:48:41","slug":"java%e6%80%8e%e4%b9%88%e6%a0%b7%e9%81%8d%e5%8e%86%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65835\/","title":{"rendered":"java\u600e\u4e48\u6837\u904d\u5386\u6570\u7ec4"},"content":{"rendered":"

\n \u904d\u5386 java \u6570\u7ec4\u7684\u6700\u4f73\u5b9e\u8df5\u5305\u62ec\uff1afor \u5faa\u73af\uff1a\u76f4\u63a5\u904d\u5386\u5143\u7d20\uff0c\u7b80\u6d01\u6613\u7528\u3002fori \u5faa\u73af\uff1a\u540c\u65f6\u83b7\u53d6\u7d22\u5f15\u548c\u503c\uff0c\u53ef\u8bfb\u6027\u66f4\u5f3a\u3002while \u5faa\u73af\uff1a\u6839\u636e\u6761\u4ef6\u63a7\u5236\u904d\u5386\u3002arrays.stream()\uff1a\u652f\u6301\u6d41\u64cd\u4f5c\uff0c\u63d0\u4f9b\u5f3a\u5927\u529f\u80fd\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u6837\u904d\u5386\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

Java \u904d\u5386\u6570\u7ec4\u7684\u6700\u4f73\u5b9e\u8df5<\/strong><\/p>\n

\u904d\u5386\u6570\u7ec4\u662f Java \u5f00\u53d1\u4e2d\u4e00\u9879\u5e38\u89c1\u7684\u4efb\u52a1\u3002\u4ee5\u4e0b\u662f\u904d\u5386\u6570\u7ec4\u7684\u51e0\u79cd\u6700\u4f73\u5b9e\u8df5\uff1a<\/p>\n

for \u5faa\u73af\uff1a<\/strong><\/p>\n

\u8fd9\u662f\u6700\u5e38\u89c1\u7684\u904d\u5386\u6570\u7ec4\u7684\u65b9\u6cd5\uff0c\u8bed\u6cd5\u7b80\u6d01\u6613\u7528\u3002\u4f8b\u5982\uff1a<\/p>\n

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

int[] numbers = new int[]{1, 2, 3, 4, 5};\n\nfor (int number : numbers) {\n    System.out.println(number);\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
fori \u5faa\u73af\uff1a<\/strong><\/p>\n
fori \u5faa\u73af\u63d0\u4f9b\u4e86\u66f4\u660e\u786e\u7684\u8bed\u6cd5\uff0c\u53ef\u7528\u4e8e\u540c\u65f6\u83b7\u53d6\u6570\u7ec4\u5143\u7d20\u7d22\u5f15\u548c\u503c\u3002\u4f8b\u5982\uff1a<\/p>\n
int[] numbers = new int[]{1, 2, 3, 4, 5};\n\nfor (int i = 0; i < numbers.length; i++) {\n    System.out.println(\"Element at index \" + i + \": \" + numbers[i]);\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
while \u5faa\u73af\uff1a<\/strong><\/p>\n
while \u5faa\u73af\u5141\u8bb8\u5728\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u65f6\u7ee7\u7eed\u904d\u5386\u6570\u7ec4\u3002\u4f8b\u5982\uff1a<\/p>\n
int[] numbers = new int[]{1, 2, 3, 4, 5};\nint index = 0;\n\nwhile (index < numbers.length) {\n    System.out.println(numbers[index]);\n    index++;\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
Arrays.stream()\uff1a<\/strong><\/p>\n
\u4ece Java 8 \u5f00\u59cb\uff0c\u53ef\u4ee5\u4f7f\u7528 Arrays.stream() \u65b9\u6cd5\u4ee5\u6d41\u7684\u65b9\u5f0f\u904d\u5386\u6570\u7ec4\u3002\u8fd9\u4e3a\u6570\u7ec4\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u529f\u80fd\uff0c\u4f8b\u5982\u8fc7\u6ee4\u548c\u6620\u5c04\u3002\u4f8b\u5982\uff1a<\/p>\n
int[] numbers = new int[]{1, 2, 3, 4, 5};\n\nArrays.stream(numbers)\n        .forEach(System.out::println);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u9009\u62e9\u6b63\u786e\u7684\u904d\u5386\u65b9\u6cd5:<\/strong><\/p>\n
\u9009\u62e9\u54ea\u79cd\u904d\u5386\u65b9\u6cd5\u53d6\u51b3\u4e8e specific \u9700\u6c42\uff1a<\/p>\n
    \n
  •  for \u5faa\u73af\uff1a<\/strong>\u7b80\u6d01\u4e14\u6613\u4e8e\u7406\u89e3\uff0c\u9002\u5408\u5feb\u901f\u904d\u5386\u6570\u7ec4\u3002<\/li>\n
  •  fori \u5faa\u73af\uff1a<\/strong>\u63d0\u4f9b\u66f4\u660e\u786e\u7684\u53ef\u8bfb\u6027\uff0c\u9002\u5408\u9700\u8981\u7d22\u5f15\u7684\u64cd\u4f5c\u3002<\/li>\n
  •  while \u5faa\u73af\uff1a<\/strong>\u5141\u8bb8\u6839\u636e\u6761\u4ef6\u81ea\u5b9a\u4e49\u904d\u5386\u3002<\/li>\n
  •  Arrays.stream()\uff1a<\/strong>\u5f3a\u5927\u7684\u6d41 API\uff0c\u9002\u7528\u4e8e\u9700\u8981\u66f4\u590d\u6742\u64cd\u4f5c\u7684\u60c5\u51b5\u3002<\/li>\n<\/ul>\n
    \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u6837\u904d\u5386\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u904d\u5386 java \u6570\u7ec4\u7684\u6700\u4f73\u5b9e\u8df5\u5305\u62ec\uff1afor \u5faa\u73af\uff1a\u76f4\u63a5\u904d\u5386\u5143\u7d20\uff0c\u7b80\u6d01\u6613\u7528\u3002fori \u5faa\u73af\uff1a\u540c\u65f6\u83b7\u53d6\u7d22\u5f15\u548c\u503c\uff0c\u53ef\u8bfb\u6027\u66f4\u5f3a\u3002while \u5faa\u73af\uff1a\u6839\u636e\u6761\u4ef6\u63a7\u5236\u904d\u5386\u3002arrays.stream()\uff1a\u652f\u6301\u6d41\u64cd\u4f5c\uff0c\u63d0\u4f9b\u5f3a\u5927\u529f\u80fd\u3002 Java \u904d\u5386\u6570\u7ec4\u7684\u6700\u4f73\u5b9e\u8df5 \u904d\u5386\u6570\u7ec4\u662f Java \u5f00\u53d1\u4e2d\u4e00\u9879\u5e38\u89c1\u7684\u4efb\u52a1\u3002\u4ee5\u4e0b\u662f\u904d\u5386\u6570\u7ec4\u7684\u51e0\u79cd\u6700\u4f73\u5b9e\u8df5\uff1a for \u5faa\u73af\uff1a \u8fd9\u662f\u6700\u5e38\u89c1\u7684\u904d\u5386\u6570\u7ec4\u7684\u65b9\u6cd5\uff0c\u8bed\u6cd5\u7b80\u6d01\u6613\u7528\u3002\u4f8b\u5982\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = new int[]{1, 2, 3, 4, 5}; for (int number : numbers) { System.out.println(number); } \u767b\u5f55\u540e\u590d\u5236 fori \u5faa\u73af\uff1a fori \u5faa\u73af\u63d0\u4f9b\u4e86\u66f4\u660e\u786e\u7684\u8bed\u6cd5\uff0c\u53ef\u7528\u4e8e\u540c\u65f6\u83b7\u53d6\u6570\u7ec4\u5143\u7d20\u7d22\u5f15\u548c\u503c\u3002\u4f8b\u5982\uff1a int[] numbers = new int[]{1, 2, 3, 4, 5}; for (int i = 0; i < numbers.length; 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-65835","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65835","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=65835"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65835\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65835"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65835"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65835"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}