{"id":37961,"date":"2024-11-26T10:10:46","date_gmt":"2024-11-26T02:10:46","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37961\/"},"modified":"2024-11-26T10:10:46","modified_gmt":"2024-11-26T02:10:46","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e9%81%8d%e5%8e%86%e6%95%b0%e7%bb%84%e5%85%83%e7%b4%a0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37961\/","title":{"rendered":"java\u4e2d\u600e\u4e48\u904d\u5386\u6570\u7ec4\u5143\u7d20"},"content":{"rendered":"

\n \u5728 java \u4e2d\u904d\u5386\u6570\u7ec4\u5143\u7d20\u6709\u4e09\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528 for-each \u5faa\u73af\uff0c\u8bed\u6cd5\u4e3a\uff1afor (\u6570\u636e\u7c7b\u578b \u53d8\u91cf\u540d : \u6570\u7ec4\u540d) {…}\u3002\u4f7f\u7528\u4f20\u7edf for \u5faa\u73af\uff0c\u8bed\u6cd5\u4e3a\uff1afor (int i = 0; i <\/p>\n

\"java\u4e2d\u600e\u4e48\u904d\u5386\u6570\u7ec4\u5143\u7d20\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5728 Java \u4e2d\u904d\u5386\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n

\u904d\u5386\u6570\u7ec4\u5143\u7d20\u662f Java \u4e2d\u4e00\u9879\u5e38\u89c1\u7684\u4efb\u52a1\uff0c\u6709\u51e0\u79cd\u4e0d\u540c\u7684\u65b9\u6cd5\u53ef\u4ee5\u5b9e\u73b0\u3002<\/p>\n

1. \u4f7f\u7528 for-each \u5faa\u73af<\/strong><\/p>\n

for-each \u5faa\u73af\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u4fbf\u7684\u65b9\u6cd5\u6765\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

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

for (\u6570\u636e\u7c7b\u578b \u53d8\u91cf\u540d : \u6570\u7ec4\u540d) {\n    \/\/ \u6267\u884c\u4ee3\u7801\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f8b\u5982\uff1a<\/p>\n
int[] numbers = {1, 2, 3, 4, 5};\nfor (int number : numbers) {\n    System.out.println(number);\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8f93\u51fa\uff1a<\/p>\n
1\n2\n3\n4\n5<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
2. \u4f7f\u7528\u4f20\u7edf for \u5faa\u73af<\/strong><\/p>\n
\u4f20\u7edf for \u5faa\u73af\u5141\u8bb8\u60a8\u4f7f\u7528\u7d22\u5f15\u904d\u5386\u6570\u7ec4\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n
for (int i = 0; i < \u6570\u7ec4\u957f\u5ea6; i++) {\n    \/\/ \u6267\u884c\u4ee3\u7801\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f8b\u5982\uff1a<\/p>\n
int[] numbers = {1, 2, 3, 4, 5};\nfor (int i = 0; i < numbers.length; i++) {\n    System.out.println(numbers[i]);\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8f93\u51fa\uff1a<\/p>\n
1\n2\n3\n4\n5<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
3. \u4f7f\u7528 while \u5faa\u73af<\/strong><\/p>\n
while \u5faa\u73af\u4e5f\u53ef\u4ee5\u7528\u4e8e\u904d\u5386\u6570\u7ec4\uff0c\u4f46\u5b83\u6bd4 for \u5faa\u73af\u6548\u7387\u8f83\u4f4e\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n
int i = 0;\nwhile (i < \u6570\u7ec4\u957f\u5ea6) {\n    \/\/ \u6267\u884c\u4ee3\u7801\n    i++;\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f8b\u5982\uff1a<\/p>\n
int[] numbers = {1, 2, 3, 4, 5};\nint i = 0;\nwhile (i < numbers.length) {\n    System.out.println(numbers[i]);\n    i++;\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8f93\u51fa\uff1a<\/p>\n
1\n2\n3\n4\n5<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u9009\u62e9\u54ea\u79cd\u904d\u5386\u65b9\u6cd5\u53d6\u51b3\u4e8e\u60a8\u9700\u8981\u7684\u7075\u6d3b\u6027\u3002for-each \u5faa\u73af\u7b80\u5355\u6613\u7528\uff0c\u800c\u4f20\u7edf for \u5faa\u73af\u548c while \u5faa\u73af\u5219\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u63a7\u5236\u3002<\/p>\n<\/blockquote>\n
\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u600e\u4e48\u904d\u5386\u6570\u7ec4\u5143\u7d20\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":"
\u5728 java \u4e2d\u904d\u5386\u6570\u7ec4\u5143\u7d20\u6709\u4e09\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528 for-each \u5faa\u73af\uff0c\u8bed\u6cd5\u4e3a\uff1afor (\u6570\u636e\u7c7b\u578b \u53d8\u91cf\u540d : \u6570\u7ec4\u540d) {…}\u3002\u4f7f\u7528\u4f20\u7edf for \u5faa\u73af\uff0c\u8bed\u6cd5\u4e3a\uff1afor (int i = 0; i \u5982\u4f55\u5728 Java \u4e2d\u904d\u5386\u6570\u7ec4\u5143\u7d20 \u904d\u5386\u6570\u7ec4\u5143\u7d20\u662f Java \u4e2d\u4e00\u9879\u5e38\u89c1\u7684\u4efb\u52a1\uff0c\u6709\u51e0\u79cd\u4e0d\u540c\u7684\u65b9\u6cd5\u53ef\u4ee5\u5b9e\u73b0\u3002 1. \u4f7f\u7528 for-each \u5faa\u73af for-each \u5faa\u73af\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u4fbf\u7684\u65b9\u6cd5\u6765\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b for (\u6570\u636e\u7c7b\u578b \u53d8\u91cf\u540d : \u6570\u7ec4\u540d) { \/\/ \u6267\u884c\u4ee3\u7801 } \u767b\u5f55\u540e\u590d\u5236 \u4f8b\u5982\uff1a int[] numbers = {1, 2, 3, 4, 5}; for (int number : numbers) { […]<\/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-37961","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37961","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=37961"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37961\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37961"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37961"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37961"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}