{"id":2363,"date":"2025-11-21T20:35:14","date_gmt":"2025-11-21T12:35:14","guid":{"rendered":"https:\/\/zhenti.52daan.com\/?p=2363"},"modified":"2025-11-21T20:35:14","modified_gmt":"2025-11-21T12:35:14","slug":"%e8%ae%be%e6%9c%89%e5%a6%82%e4%b8%8b%e4%bb%a3%e7%a0%81%ef%bc%9a-class-base-public-class-mycast-extends-base-static-boolean-b1false-static-int-i-1-static-double-d-10-1-public-static-void-ma","status":"publish","type":"post","link":"https:\/\/zhenti.52daan.com\/?p=2363","title":{"rendered":"\u8bbe\u6709\u5982\u4e0b\u4ee3\u7801\uff1a class Base{} public class MyCast extends Base{ static boolean b1=false; static int i = -1; static double d = 10.1; public static void main(String argv[]){ MyCast m = new MyCast(); Base b = new Base(); \/\/Here } } \u5219\u5728 \/\/Here\u5904\u63d2\u5165\u54ea\u4e2a\u4ee3\u7801\u5c06\u4e0d\u51fa\u73b0\u7f16\u8bd1\u548c\u8fd0\u884c\u9519\u8bef\u3002 \u7b2c\u4e03\u7ae0\u5355\u5143\u6d4b\u8bd5 A.d =i; B.m=b; C.b1 =i; D.b=m;"},"content":{"rendered":"<p>\u8bbe\u6709\u5982\u4e0b\u4ee3\u7801\uff1a class Base{} public class MyCast extends Base{ static boolean b1=false; static int i = -1; static double d = 10.1; public static void main(String argv[]){ MyCast m = new MyCast(); Base b = new Base(); \/\/Here } } \u5219\u5728 \/\/Here\u5904\u63d2\u5165\u54ea\u4e2a\u4ee3\u7801\u5c06\u4e0d\u51fa\u73b0\u7f16\u8bd1\u548c\u8fd0\u884c\u9519\u8bef\u3002 \u7b2c\u4e03\u7ae0\u5355\u5143\u6d4b\u8bd5 A.d =i; B.m=b; C.b1 =i; D.b=m;<\/p>\n<p>\u6b63\u786e\u7b54\u6848\uff1aAD<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8bbe\u6709\u5982\u4e0b\u4ee3\u7801\uff1a class Ba&#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":[1],"tags":[94],"class_list":["post-2363","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-java"],"_links":{"self":[{"href":"https:\/\/zhenti.52daan.com\/index.php?rest_route=\/wp\/v2\/posts\/2363","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zhenti.52daan.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zhenti.52daan.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zhenti.52daan.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zhenti.52daan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2363"}],"version-history":[{"count":0,"href":"https:\/\/zhenti.52daan.com\/index.php?rest_route=\/wp\/v2\/posts\/2363\/revisions"}],"wp:attachment":[{"href":"https:\/\/zhenti.52daan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2363"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zhenti.52daan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2363"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zhenti.52daan.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}