{"id":821,"date":"2021-12-18T18:49:01","date_gmt":"2021-12-18T10:49:01","guid":{"rendered":"https:\/\/blog.cauchyschwarz.com\/?p=821"},"modified":"2021-12-18T18:49:05","modified_gmt":"2021-12-18T10:49:05","slug":"java-annotations","status":"publish","type":"post","link":"https:\/\/blog.cauchyschwarz.com\/?p=821","title":{"rendered":"Java Annotations"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\" id=\"%E6%B3%A8%E8%A7%A3%E7%9A%84%E4%BD%9C%E7%94%A8\">\u6ce8\u89e3\u7684\u4f5c\u7528\uff1a<\/h1>\n\n\n\n<ol class=\"wp-block-list\"><li>information for the compiler<\/li><li>Compile-time and deployment-time processing<\/li><li>Runtime processing<\/li><\/ol>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"%E6%B3%A8%E8%A7%A3%E7%9A%84%E6%A0%BC%E5%BC%8F\">\u6ce8\u89e3\u7684\u683c\u5f0f<\/h1>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">@Entity\n<\/code><\/pre>\n\n\n\n<p>\u5982\u679c\u6ce8\u89e3\u53ea\u6709\u4e00\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u7701\u7565\u5143\u7d20\u540d\u79f0\uff0c\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">@SuppressWarnings(value = \"unchecked\")\nvoid myMethod() { ... }\n<\/code><\/pre>\n\n\n\n<p>\u53ef\u4ee5\u7b80\u5199\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">@SuppressWarnings(\"unchecked\")\nvoid myMethod() { ... }\n<\/code><\/pre>\n\n\n\n<p>repeating annotation\uff0c\u7c7b\u578b\u76f8\u540c\u7684\u6ce8\u89e3(since Java1.8)\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">@Author(name = \"Jane Doe\")\n@Author(name = \"John Smith\")\nclass MyClass { ... }\n<\/code><\/pre>\n\n\n\n<p>\u53ef\u4ee5\u4f7f\u7528\u9884\u5b9a\u4e49\u7684\u6ce8\u89e3\u6216\u8005\u81ea\u5b9a\u4e49\u7684\u6ce8\u89e3<br>\u53ef\u4ee5\u4f7f\u7528\u6ce8\u89e3\u7684\u5730\u65b9\uff1a\u7c7b\/\u57df\/\u65b9\u6cd5\u4ee5\u53ca\u5176\u4ed6\u4e00\u4e9b\u5143\u7d20\u7684\u58f0\u660e\u3002\u5bf9\u4e8eJava8\u800c\u8a00\uff0c\u6ce8\u89e3\u8fd8\u53ef\u4ee5\u7528\u5728\u7c7b\u578b\u4e0a\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/docs.oracle.com\/javase\/tutorial\/java\/annotations\/index.html\">\u53c2\u8003<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6ce8\u89e3\u7684\u4f5c\u7528\uff1a information for the compiler Compile-time and deployment-time processing Runtime processing \u6ce8&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[87],"class_list":["post-821","post","type-post","status-publish","format-standard","hentry","category-10","tag-java"],"_links":{"self":[{"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/posts\/821","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=821"}],"version-history":[{"count":1,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/posts\/821\/revisions"}],"predecessor-version":[{"id":822,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/posts\/821\/revisions\/822"}],"wp:attachment":[{"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=821"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=821"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=821"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}