{"id":36987,"date":"2024-11-26T09:23:24","date_gmt":"2024-11-26T01:23:24","guid":{"rendered":"https:\/\/fwq.ai\/blog\/36987\/"},"modified":"2024-11-26T09:23:24","modified_gmt":"2024-11-26T01:23:24","slug":"java%e4%b8%ad%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e8%af%bb","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/36987\/","title":{"rendered":"java\u4e2d\u6570\u7ec4\u600e\u4e48\u8bfb"},"content":{"rendered":"

\n \u5728 java \u4e2d\u8bfb\u53d6\u6570\u7ec4\u5143\u7d20\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6570\u7ec4\u5e76\u5b58\u50a8\u5143\u7d20\u5728\u53d8\u91cf\u4e2d\u3002\u4f7f\u7528\u589e\u5f3a\u7684 for \u5faa\u73af\u7b80\u5316\u904d\u5386\uff0c\u7701\u7565\u7d22\u5f15\u548c\u957f\u5ea6\u68c0\u67e5\u3002\u4f7f\u7528 java 8 \u6d41\u901a\u8fc7 stream() \u65b9\u6cd5\u521b\u5efa\u6d41\uff0c\u5e76\u4f7f\u7528 foreach() \u7b49\u64cd\u4f5c\u6765\u5904\u7406\u3002\n<\/p><\/blockquote>\n

\"java\u4e2d\u6570\u7ec4\u600e\u4e48\u8bfb\u63d2\u56fe\"<\/p>\n

Java \u4e2d\u8bfb\u53d6\u6570\u7ec4<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u8bfb\u53d6\u6570\u7ec4\u5143\u7d20\uff1a<\/p>\n

\u4f7f\u7528 for \u5faa\u73af<\/strong><\/p>\n

for \u5faa\u73af\u662f\u8bfb\u53d6\u6570\u7ec4\u5143\u7d20\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\u3002\u5b83\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u53d8\u91cf\u4e2d\u3002<\/p>\n

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

int[] myArray = {1, 2, 3, 4, 5};\n\nfor (int i = 0; i < myArray.length; i++) {\n  System.out.println(myArray[i]);\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528\u589e\u5f3a\u7684 for \u5faa\u73af<\/strong><\/p>\n
\u589e\u5f3a\u7684 for \u5faa\u73af\u662f\u4e00\u79cd\u66f4\u7b80\u6d01\u7684\u904d\u5386\u6570\u7ec4\u7684\u65b9\u6cd5\u3002\u5b83\u7701\u7565\u4e86\u7d22\u5f15\u53d8\u91cf\u548c\u957f\u5ea6\u68c0\u67e5\u3002<\/p>\n
int[] myArray = {1, 2, 3, 4, 5};\n\nfor (int element : myArray) {\n  System.out.println(element);\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528 Java 8 \u6d41<\/strong><\/p>\n
Java 8 \u5f15\u5165\u4e86\u6d41 API\uff0c\u63d0\u4f9b\u4e86\u4e00\u79cd\u66f4\u7075\u6d3b\u7684\u65b9\u5f0f\u6765\u5904\u7406\u6570\u7ec4\u3002\u53ef\u4ee5\u4f7f\u7528 stream() \u65b9\u6cd5\u4ece\u6570\u7ec4\u521b\u5efa\u6d41\uff0c\u7136\u540e\u4f7f\u7528\u8bf8\u5982 forEach() \u4e4b\u7c7b\u7684\u64cd\u4f5c\u5bf9\u5176\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n
int[] myArray = {1, 2, 3, 4, 5};\n\nArrays.stream(myArray)\n  .forEach(System.out::println);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5<\/strong><\/p>\n
\u9009\u62e9\u54ea\u79cd\u8bfb\u53d6\u6570\u7ec4\u7684\u65b9\u6cd5\u53d6\u51b3\u4e8e\u60a8\u5bf9\u6570\u7ec4\u5143\u7d20\u7684\u5177\u4f53\u9700\u6c42\u3002\u5bf9\u4e8e\u9700\u8981\u63a7\u5236\u904d\u5386\u7684\u987a\u5e8f\u6216\u8bbf\u95ee\u5143\u7d20\u7d22\u5f15\u7684\u60c5\u51b5\uff0cfor \u5faa\u73af\u5f88\u6709\u7528\u3002\u5bf9\u4e8e\u66f4\u7b80\u6d01\u7684\u904d\u5386\uff0c\u589e\u5f3a\u7684 for \u5faa\u73af\u662f\u4e0d\u9519\u7684\u9009\u62e9\u3002\u5982\u679c\u60a8\u9700\u8981\u5bf9\u6570\u7ec4\u5143\u7d20\u6267\u884c\u66f4\u9ad8\u7ea7\u7684\u64cd\u4f5c\uff0cJava 8 \u6d41\u63d0\u4f9b\u4e86\u66f4\u7075\u6d3b\u7684\u65b9\u6cd5\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u6570\u7ec4\u600e\u4e48\u8bfb\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\u8bfb\u53d6\u6570\u7ec4\u5143\u7d20\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6570\u7ec4\u5e76\u5b58\u50a8\u5143\u7d20\u5728\u53d8\u91cf\u4e2d\u3002\u4f7f\u7528\u589e\u5f3a\u7684 for \u5faa\u73af\u7b80\u5316\u904d\u5386\uff0c\u7701\u7565\u7d22\u5f15\u548c\u957f\u5ea6\u68c0\u67e5\u3002\u4f7f\u7528 java 8 \u6d41\u901a\u8fc7 stream() \u65b9\u6cd5\u521b\u5efa\u6d41\uff0c\u5e76\u4f7f\u7528 foreach() \u7b49\u64cd\u4f5c\u6765\u5904\u7406\u3002 Java \u4e2d\u8bfb\u53d6\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u8bfb\u53d6\u6570\u7ec4\u5143\u7d20\uff1a \u4f7f\u7528 for \u5faa\u73af for \u5faa\u73af\u662f\u8bfb\u53d6\u6570\u7ec4\u5143\u7d20\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\u3002\u5b83\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u53d8\u91cf\u4e2d\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] myArray = {1, 2, 3, 4, 5}; for (int i = 0; i < myArray.length; i++) { System.out.println(myArray[i]); } \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528\u589e\u5f3a\u7684 for \u5faa\u73af \u589e\u5f3a\u7684 for \u5faa\u73af\u662f\u4e00\u79cd\u66f4\u7b80\u6d01\u7684\u904d\u5386\u6570\u7ec4\u7684\u65b9\u6cd5\u3002\u5b83\u7701\u7565\u4e86\u7d22\u5f15\u53d8\u91cf\u548c\u957f\u5ea6\u68c0\u67e5\u3002 int[] myArray = […]<\/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-36987","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36987","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=36987"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36987\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=36987"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=36987"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=36987"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}