{"id":38305,"date":"2024-11-26T11:21:00","date_gmt":"2024-11-26T03:21:00","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38305\/"},"modified":"2024-11-26T11:21:00","modified_gmt":"2024-11-26T03:21:00","slug":"%e6%80%8e%e4%b9%88%e7%bb%99java%e7%9a%84%e6%95%b0%e7%bb%84%e5%be%aa%e7%8e%af%e8%b5%8b%e5%80%bc","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38305\/","title":{"rendered":"\u600e\u4e48\u7ed9java\u7684\u6570\u7ec4\u5faa\u73af\u8d4b\u503c"},"content":{"rendered":"

\n \u6709\u56db\u79cd\u65b9\u6cd5\u53ef\u7528\u4e8e\u7ed9 java \u6570\u7ec4\u5faa\u73af\u8d4b\u503c\uff1a\u4f7f\u7528 for \u5faa\u73af\u8bed\u6cd5\uff0c\u9010\u4e2a\u5143\u7d20\u8d4b\u503c\u3002\u4f7f\u7528\u589e\u5f3a\u578b for \u5faa\u73af\uff0c\u4f7f\u7528\u66f4\u7b80\u6d01\u7684\u8bed\u6cd5\u3002\u4f7f\u7528 arrays.fill() \u65b9\u6cd5\uff0c\u4e3a\u6240\u6709\u5143\u7d20\u8d4b\u503c\u76f8\u540c\u7684\u503c\u3002\u4f7f\u7528 java 8 \u7684\u6d41\u548c lambda \u8868\u8fbe\u5f0f\uff0c\u63d0\u4f9b\u66f4\u5177\u8868\u73b0\u529b\u7684\u65b9\u5f0f\u6765\u8d4b\u503c\u3002\n<\/p><\/blockquote>\n

\"\u600e\u4e48\u7ed9java\u7684\u6570\u7ec4\u5faa\u73af\u8d4b\u503c\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u7ed9 Java \u6570\u7ec4\u5faa\u73af\u8d4b\u503c<\/strong><\/p>\n

\u4f7f\u7528\u5faa\u73af\u8bed\u6cd5\uff1a<\/strong><\/p>\n

\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u5faa\u73af\u8bed\u6cd5\uff0c\u4f8b\u5982\uff1a<\/p>\n

int[] numbers = new int[5];  \/\/ \u521b\u5efa\u4e00\u4e2a\u5305\u542b 5 \u4e2a\u5143\u7d20\u7684 int \u6570\u7ec4\n\n\/\/ \u4f7f\u7528 for \u5faa\u73af\u7ed9\u6570\u7ec4\u8d4b\u503c\nfor (int i = 0; i < numbers.length; i++) {\n    numbers[i] = i + 1;  \/\/ \u5c06 i + 1 \u8d4b\u503c\u7ed9\u6570\u7ec4\u7684\u7b2c i \u4e2a\u5143\u7d20\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528\u589e\u5f3a\u578b for \u5faa\u73af\uff1a<\/strong><\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
Java 5 \u53ca\u66f4\u9ad8\u7248\u672c\u5f15\u5165\u4e86\u589e\u5f3a\u578b for \u5faa\u73af\uff0c\u5b83\u63d0\u4f9b\u4e86\u66f4\u7b80\u6d01\u7684\u8bed\u6cd5\uff1a<\/p>\n
int[] numbers = new int[5];\n\n\/\/ \u4f7f\u7528\u589e\u5f3a\u578b for \u5faa\u73af\u7ed9\u6570\u7ec4\u8d4b\u503c\nfor (int number : numbers) {\n    number = randomNumberGenerator.nextInt();  \/\/ \u4ece\u968f\u673a\u6570\u751f\u6210\u5668\u4e2d\u83b7\u53d6\u4e00\u4e2a\u968f\u673a\u6570\u5e76\u5c06\u5176\u8d4b\u503c\u7ed9\u6570\u7ec4\u5143\u7d20\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528 Arrays.fill() \u65b9\u6cd5\uff1a<\/strong><\/p>\n
\u5bf9\u4e8e\u7ed9\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u8d4b\u503c\u4e3a\u76f8\u540c\u7684\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528 Arrays.fill() \u65b9\u6cd5\uff1a<\/p>\n
int[] numbers = new int[5];\n\nArrays.fill(numbers, 10);  \/\/ \u7528 10 \u586b\u5145\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528 Java 8 \u7684\u6d41\u548c lambda \u8868\u8fbe\u5f0f\uff1a<\/strong><\/p>\n
Java 8 \u5f15\u5165\u4e86\u6d41\u548c lambda \u8868\u8fbe\u5f0f\uff0c\u63d0\u4f9b\u4e86\u66f4\u5177\u8868\u73b0\u529b\u7684\u65b9\u5f0f\u6765\u7ed9\u6570\u7ec4\u8d4b\u503c\uff1a<\/p>\n
int[] numbers = new int[5];\n\nIntStream.range(0, numbers.length).forEach(i -> numbers[i] = i + 1);  \/\/ \u4f7f\u7528 range() \u65b9\u6cd5\u751f\u6210\u6574\u6570\u6d41\uff0c\u7136\u540e\u4f7f\u7528 forEach() \u65b9\u6cd5\u5c06 i + 1 \u8d4b\u503c\u7ed9\u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u600e\u4e48\u7ed9java\u7684\u6570\u7ec4\u5faa\u73af\u8d4b\u503c\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":"
\u6709\u56db\u79cd\u65b9\u6cd5\u53ef\u7528\u4e8e\u7ed9 java \u6570\u7ec4\u5faa\u73af\u8d4b\u503c\uff1a\u4f7f\u7528 for \u5faa\u73af\u8bed\u6cd5\uff0c\u9010\u4e2a\u5143\u7d20\u8d4b\u503c\u3002\u4f7f\u7528\u589e\u5f3a\u578b for \u5faa\u73af\uff0c\u4f7f\u7528\u66f4\u7b80\u6d01\u7684\u8bed\u6cd5\u3002\u4f7f\u7528 arrays.fill() \u65b9\u6cd5\uff0c\u4e3a\u6240\u6709\u5143\u7d20\u8d4b\u503c\u76f8\u540c\u7684\u503c\u3002\u4f7f\u7528 java 8 \u7684\u6d41\u548c lambda \u8868\u8fbe\u5f0f\uff0c\u63d0\u4f9b\u66f4\u5177\u8868\u73b0\u529b\u7684\u65b9\u5f0f\u6765\u8d4b\u503c\u3002 \u5982\u4f55\u7ed9 Java \u6570\u7ec4\u5faa\u73af\u8d4b\u503c \u4f7f\u7528\u5faa\u73af\u8bed\u6cd5\uff1a \u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u5faa\u73af\u8bed\u6cd5\uff0c\u4f8b\u5982\uff1a int[] numbers = new int[5]; \/\/ \u521b\u5efa\u4e00\u4e2a\u5305\u542b 5 \u4e2a\u5143\u7d20\u7684 int \u6570\u7ec4 \/\/ \u4f7f\u7528 for \u5faa\u73af\u7ed9\u6570\u7ec4\u8d4b\u503c for (int i = 0; i < numbers.length; i++) { numbers[i] = i + 1; \/\/ \u5c06 i + 1 \u8d4b\u503c\u7ed9\u6570\u7ec4\u7684\u7b2c […]<\/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-38305","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38305","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=38305"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38305\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38305"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38305"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38305"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}