{"id":65544,"date":"2025-05-03T09:07:43","date_gmt":"2025-05-03T01:07:43","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65544\/"},"modified":"2025-05-03T09:07:43","modified_gmt":"2025-05-03T01:07:43","slug":"foreach%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%ad%98%e5%80%bcjava-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65544\/","title":{"rendered":"foreach\u6570\u7ec4\u600e\u4e48\u5b58\u503cjava"},"content":{"rendered":"

\n \u5728 java \u4e2d\uff0c\u4f7f\u7528 foreach \u5faa\u73af\u8d4b\u503c\u53ef\u4ee5\u65b9\u4fbf\u5730\u904d\u5386\u6570\u7ec4\u6216\u96c6\u5408\u5143\u7d20\u5e76\u5bf9\u5176\u8fdb\u884c\u4fee\u6539\u3002\u6b65\u9aa4\u5305\u62ec\uff1a\u58f0\u660e\u5143\u7d20\u7c7b\u578b\u548c\u5143\u7d20\u53d8\u91cf\uff1b\u6307\u5b9a\u8981\u904d\u5386\u7684\u6570\u7ec4\u6216\u96c6\u5408\uff1b\u5728\u5faa\u73af\u4f53\u5185\u6267\u884c\u8d4b\u503c\u64cd\u4f5c\u3002\u8be5\u5faa\u73af\u53ef\u5e2e\u52a9\u8f7b\u677e\u5730\u66f4\u65b0\u5143\u7d20\u503c\uff0c\u4f46\u4e0d\u6539\u53d8\u6570\u7ec4\u6216\u96c6\u5408\u672c\u8eab\u3002\n<\/p><\/blockquote>\n

\"foreach\u6570\u7ec4\u600e\u4e48\u5b58\u503cjava\u63d2\u56fe\"<\/p>\n

Java \u4e2d\u4f7f\u7528 foreach \u5faa\u73af\u8d4b\u503c<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u4f7f\u7528 foreach \u5faa\u73af\u8d4b\u503c\u662f\u4e00\u79cd\u65b9\u4fbf\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u904d\u5386\u6570\u7ec4\u6216\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u5e76\u5bf9\u5176\u8fdb\u884c\u4fee\u6539\u3002<\/p>\n

\u8bed\u6cd5\uff1a<\/strong><\/p>\n

for (\u5143\u7d20\u7c7b\u578b \u5143\u7d20\u53d8\u91cf : \u6570\u7ec4\u6216\u96c6\u5408) {\n    \/\/ \u5bf9\u5143\u7d20\u8fdb\u884c\u8d4b\u503c\u64cd\u4f5c\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6b65\u9aa4\uff1a<\/strong><\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
    \n
  1.  \u58f0\u660e\u5143\u7d20\u7c7b\u578b\u548c\u5143\u7d20\u53d8\u91cf\uff1a<\/strong>\u6307\u5b9a\u8981\u5b58\u50a8\u5143\u7d20\u7684\u7c7b\u578b\u4ee5\u53ca\u8981\u4f7f\u7528\u7684\u53d8\u91cf\u540d\u3002<\/li>\n
  2.  \u6307\u5b9a\u6570\u7ec4\u6216\u96c6\u5408\uff1a<\/strong>\u63d0\u4f9b\u8981\u904d\u5386\u548c\u4fee\u6539\u7684\u6570\u7ec4\u6216\u96c6\u5408\u3002<\/li>\n
  3.  \u6267\u884c\u8d4b\u503c\u64cd\u4f5c\uff1a<\/strong>\u5728\u5faa\u73af\u4f53\u5185\uff0c\u4f7f\u7528\u5143\u7d20\u53d8\u91cf\u5bf9\u5143\u7d20\u8fdb\u884c\u8d4b\u503c\u64cd\u4f5c\uff0c\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n
    \u5143\u7d20\u53d8\u91cf = \u65b0\u503c;<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u793a\u4f8b\uff1a<\/strong><\/p>\n
    \u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528 foreach \u5faa\u73af\u5411\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u8d4b\u503c\uff1a<\/p>\n
    int[] numbers = {1, 2, 3, 4, 5};\n\nfor (int number : numbers) {\n    number *= 2;\n}\n\n\/\/ \u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u73b0\u5728\u5df2\u7ffb\u500d<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u6ce8\u610f\uff1a<\/strong><\/p>\n
      \n
    • foreach \u5faa\u73af\u4ec5\u9002\u7528\u4e8e\u53ef\u904d\u5386\u7684\u6570\u7ec4\u6216\u96c6\u5408\u3002<\/li>\n
    • \u8be5\u5faa\u73af\u4e0d\u4f1a\u6539\u53d8\u6570\u7ec4\u6216\u96c6\u5408\u672c\u8eab\uff0c\u53ea\u4f1a\u4fee\u6539\u5176\u4e2d\u7684\u5143\u7d20\u3002<\/li>\n
    • \u5faa\u73af\u53d8\u91cf\u4e0d\u53ef\u5728\u5faa\u73af\u4f53\u5916\u4f7f\u7528\u3002<\/li>\n
    • foreach \u5faa\u73af\u4e0e\u4f7f\u7528\u7d22\u5f15\u7684\u4f20\u7edf for \u5faa\u73af\u8bed\u6cd5\u76f8\u6bd4\uff0c\u53ef\u4ee5\u63d0\u4f9b\u66f4\u7b80\u6d01\u3001\u66f4\u6613\u8bfb\u7684\u4ee3\u7801\u3002<\/li>\n<\/ul>\n
      \u4ee5\u4e0a\u5c31\u662fforeach\u6570\u7ec4\u600e\u4e48\u5b58\u503cjava\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\u4f7f\u7528 foreach \u5faa\u73af\u8d4b\u503c\u53ef\u4ee5\u65b9\u4fbf\u5730\u904d\u5386\u6570\u7ec4\u6216\u96c6\u5408\u5143\u7d20\u5e76\u5bf9\u5176\u8fdb\u884c\u4fee\u6539\u3002\u6b65\u9aa4\u5305\u62ec\uff1a\u58f0\u660e\u5143\u7d20\u7c7b\u578b\u548c\u5143\u7d20\u53d8\u91cf\uff1b\u6307\u5b9a\u8981\u904d\u5386\u7684\u6570\u7ec4\u6216\u96c6\u5408\uff1b\u5728\u5faa\u73af\u4f53\u5185\u6267\u884c\u8d4b\u503c\u64cd\u4f5c\u3002\u8be5\u5faa\u73af\u53ef\u5e2e\u52a9\u8f7b\u677e\u5730\u66f4\u65b0\u5143\u7d20\u503c\uff0c\u4f46\u4e0d\u6539\u53d8\u6570\u7ec4\u6216\u96c6\u5408\u672c\u8eab\u3002 Java \u4e2d\u4f7f\u7528 foreach \u5faa\u73af\u8d4b\u503c \u5728 Java \u4e2d\uff0c\u4f7f\u7528 foreach \u5faa\u73af\u8d4b\u503c\u662f\u4e00\u79cd\u65b9\u4fbf\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u904d\u5386\u6570\u7ec4\u6216\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u5e76\u5bf9\u5176\u8fdb\u884c\u4fee\u6539\u3002 \u8bed\u6cd5\uff1a for (\u5143\u7d20\u7c7b\u578b \u5143\u7d20\u53d8\u91cf : \u6570\u7ec4\u6216\u96c6\u5408) { \/\/ \u5bf9\u5143\u7d20\u8fdb\u884c\u8d4b\u503c\u64cd\u4f5c } \u767b\u5f55\u540e\u590d\u5236 \u6b65\u9aa4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u58f0\u660e\u5143\u7d20\u7c7b\u578b\u548c\u5143\u7d20\u53d8\u91cf\uff1a\u6307\u5b9a\u8981\u5b58\u50a8\u5143\u7d20\u7684\u7c7b\u578b\u4ee5\u53ca\u8981\u4f7f\u7528\u7684\u53d8\u91cf\u540d\u3002 \u6307\u5b9a\u6570\u7ec4\u6216\u96c6\u5408\uff1a\u63d0\u4f9b\u8981\u904d\u5386\u548c\u4fee\u6539\u7684\u6570\u7ec4\u6216\u96c6\u5408\u3002 \u6267\u884c\u8d4b\u503c\u64cd\u4f5c\uff1a\u5728\u5faa\u73af\u4f53\u5185\uff0c\u4f7f\u7528\u5143\u7d20\u53d8\u91cf\u5bf9\u5143\u7d20\u8fdb\u884c\u8d4b\u503c\u64cd\u4f5c\uff0c\u4f8b\u5982\uff1a \u5143\u7d20\u53d8\u91cf = \u65b0\u503c; \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b\uff1a \u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528 foreach \u5faa\u73af\u5411\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u8d4b\u503c\uff1a int[] numbers = {1, 2, 3, 4, 5}; for (int number : numbers) { number *= 2; […]<\/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-65544","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65544","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=65544"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65544\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65544"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65544"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65544"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}