{"id":34945,"date":"2024-11-26T13:43:42","date_gmt":"2024-11-26T05:43:42","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34945\/"},"modified":"2024-11-26T13:43:42","modified_gmt":"2024-11-26T05:43:42","slug":"java%e8%bf%94%e5%9b%9e%e4%b8%80%e4%b8%aa%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e6%8e%a5","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34945\/","title":{"rendered":"JAVA\u8fd4\u56de\u4e00\u4e2a\u6570\u7ec4\u600e\u4e48\u63a5"},"content":{"rendered":"

\n \u5728 java \u4e2d\uff0c\u63a5\u6536\u6570\u7ec4\u8fd4\u56de\u503c\u6709\u4e24\u79cd\u65b9\u5f0f\uff1a1. \u4f7f\u7528\u6570\u7ec4\u7c7b\u578b\u58f0\u660e\u53d8\u91cf\uff1b2. \u4f7f\u7528\u6cdb\u578b\uff0c\u5141\u8bb8\u6307\u5b9a\u6570\u7ec4\u5143\u7d20\u7c7b\u578b\uff0c\u63d0\u9ad8\u53ef\u8bfb\u6027\u548c\u5b89\u5168\u6027\u3002\n<\/p><\/blockquote>\n

\"JAVA\u8fd4\u56de\u4e00\u4e2a\u6570\u7ec4\u600e\u4e48\u63a5\u63d2\u56fe\"<\/p>\n

Java \u4e2d\u63a5\u6536\u6570\u7ec4\u8fd4\u56de\u503c<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4e24\u79cd\u65b9\u5f0f\u63a5\u6536\u6570\u7ec4\u8fd4\u56de\u503c\uff1a<\/p>\n

1. \u4f7f\u7528\u6570\u7ec4\u7c7b\u578b\u58f0\u660e\u53d8\u91cf<\/strong><\/p>\n

int[] numbers = myMethod();<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff0cmyMethod() \u8fd4\u56de\u4e86\u4e00\u4e2a int \u7c7b\u578b\u7684\u6570\u7ec4\uff0cnumbers \u53d8\u91cf\u7528\u4e8e\u63a5\u6536\u8fd4\u56de\u503c\u3002<\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
2. \u4f7f\u7528 generics<\/strong><\/p>\n
List<String> names = myMethod();<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff0cmyMethod() \u8fd4\u56de\u4e86\u4e00\u4e2a\u6cdb\u578b\u4e3a String \u7684 List \u96c6\u5408\uff0cnames \u53d8\u91cf\u7528\u4e8e\u63a5\u6536\u8fd4\u56de\u503c\u3002generics \u5141\u8bb8\u6307\u5b9a\u6570\u7ec4\u5143\u7d20\u7684\u7c7b\u578b\uff0c\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u5b89\u5168\u6027\u3002<\/p>\n
\u793a\u4f8b<\/strong><\/p>\n
\u8003\u8651\u4ee5\u4e0b\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
public class MyClass {\n\n    public static int[] getNumbers() {\n        return new int[]{1, 2, 3};\n    }\n\n    public static void main(String[] args) {\n        int[] numbers = getNumbers(); \/\/ \u4f7f\u7528\u6570\u7ec4\u7c7b\u578b\u58f0\u660e\u53d8\u91cf\n        for (int number : numbers) {\n            System.out.println(number);\n        }\n    }\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5728\u6b64\u793a\u4f8b\u4e2d\uff0cgetNumbers() \u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a int \u7c7b\u578b\u7684\u6570\u7ec4\uff0c\u8be5\u6570\u7ec4\u5728 mn() \u65b9\u6cd5\u4e2d\u4f7f\u7528\u6570\u7ec4\u7c7b\u578b\u58f0\u660e\u53d8\u91cf\u63a5\u6536\u3002\u7136\u540e\uff0c\u4f7f\u7528\u589e\u5f3a\u7684 for \u5faa\u73af\u904d\u5386\u6570\u7ec4\u5e76\u6253\u5370\u6bcf\u4e2a\u5143\u7d20\u3002\u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a<\/p>\n
1\n2\n3<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ee5\u4e0a\u5c31\u662fJAVA\u8fd4\u56de\u4e00\u4e2a\u6570\u7ec4\u600e\u4e48\u63a5\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\uff0c\u63a5\u6536\u6570\u7ec4\u8fd4\u56de\u503c\u6709\u4e24\u79cd\u65b9\u5f0f\uff1a1. \u4f7f\u7528\u6570\u7ec4\u7c7b\u578b\u58f0\u660e\u53d8\u91cf\uff1b2. \u4f7f\u7528\u6cdb\u578b\uff0c\u5141\u8bb8\u6307\u5b9a\u6570\u7ec4\u5143\u7d20\u7c7b\u578b\uff0c\u63d0\u9ad8\u53ef\u8bfb\u6027\u548c\u5b89\u5168\u6027\u3002 Java \u4e2d\u63a5\u6536\u6570\u7ec4\u8fd4\u56de\u503c \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4e24\u79cd\u65b9\u5f0f\u63a5\u6536\u6570\u7ec4\u8fd4\u56de\u503c\uff1a 1. \u4f7f\u7528\u6570\u7ec4\u7c7b\u578b\u58f0\u660e\u53d8\u91cf int[] numbers = myMethod(); \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0cmyMethod() \u8fd4\u56de\u4e86\u4e00\u4e2a int \u7c7b\u578b\u7684\u6570\u7ec4\uff0cnumbers \u53d8\u91cf\u7528\u4e8e\u63a5\u6536\u8fd4\u56de\u503c\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b 2. \u4f7f\u7528 generics List<String> names = myMethod(); \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0cmyMethod() \u8fd4\u56de\u4e86\u4e00\u4e2a\u6cdb\u578b\u4e3a String \u7684 List \u96c6\u5408\uff0cnames \u53d8\u91cf\u7528\u4e8e\u63a5\u6536\u8fd4\u56de\u503c\u3002generics \u5141\u8bb8\u6307\u5b9a\u6570\u7ec4\u5143\u7d20\u7684\u7c7b\u578b\uff0c\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u5b89\u5168\u6027\u3002 \u793a\u4f8b \u8003\u8651\u4ee5\u4e0b\u793a\u4f8b\u4ee3\u7801\uff1a public class MyClass { public static int[] getNumbers() { return new int[]{1, 2, 3}; […]<\/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-34945","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34945","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=34945"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34945\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=34945"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=34945"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=34945"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}