{"id":2327,"date":"2025-11-21T20:35:11","date_gmt":"2025-11-21T12:35:11","guid":{"rendered":"https:\/\/zhenti.52daan.com\/?p=2327"},"modified":"2025-11-21T20:35:11","modified_gmt":"2025-11-21T12:35:11","slug":"%e6%a3%80%e6%9f%a5%e4%b8%8b%e9%9d%a2%e7%9a%84%e4%bb%a3%e7%a0%81%ef%bc%9aclass-e1-extends-exceptionclass-e2-extends-e1public-class-quiz6_l-public-static-void-fboolean-flag-throws-e1e2-iffla","status":"publish","type":"post","link":"https:\/\/zhenti.52daan.com\/?p=2327","title":{"rendered":"\u68c0\u67e5\u4e0b\u9762\u7684\u4ee3\u7801\uff1aclass E1 extends Exception{}class E2 extends E1{}public class Quiz6_l{ public static void f(boolean flag) throws E1,E2{   if(flag) {    throw new E1();   } else {    throw new E2();   }  } public static void main(String[] args) {  try{   f(true);  }  catch(E2 e2) {   System.out.println(&#8220;Caught E2&#8221;);  }catch(E1 e1) {   System.out.println(&#8220;Caught El&#8221;);  } }}\u5bf9\u4e0a\u9762\u7684\u7a0b\u5e8f\u8fdb\u884c\u7f16\u8bd1\u3001\u8fd0\u884c\uff0c\u4e0b\u9762\u7684\u53d9\u8ff0\u54ea\u4e2a\u662f\u6b63\u786e\u7684\uff1a A.\u7531\u4e8eQoiz6_1\uff0emain\u65b9\u6cd5\u4e2d\u6ca1\u6709\u58f0\u660e\u629b\u51fa\u5f02\u5e38E1\u3001E2\uff0c\u6240\u4ee5\u7f16\u8bd1\u4f1a\u5931\u8d25 B.\u7f16\u8bd1\u6210\u529f\uff0c\u8f93\u51fa\u4e3a\uff1a  Caught E1 C.\u7f16\u8bd1\u6210\u529f\uff0c\u8f93\u51fa\u4e3a\uff1a  Caught El  Caught E2 D.\u7531\u4e8e\u9488\u5bf9E2\u7684catch\u7a0b\u5e8f\u5757\u662f\u65e0\u6cd5\u6267\u884c\u5230\u7684\uff0c\u6240\u4ee5\u7f16\u8bd1\u4f1a\u5931\u8d25"},"content":{"rendered":"<p>\u68c0\u67e5\u4e0b\u9762\u7684\u4ee3\u7801\uff1aclass E1 extends Exception{}class E2 extends E1{}public class Quiz6_l{ public static void f(boolean flag) throws E1,E2{   if(flag) {    throw new E1();   } else {    throw new E2();   }  } public static void main(String[] args) {  try{   f(true);  }  catch(E2 e2) {   System.out.println(&#8220;Caught E2&#8221;);  }catch(E1 e1) {   System.out.println(&#8220;Caught El&#8221;);  } }}\u5bf9\u4e0a\u9762\u7684\u7a0b\u5e8f\u8fdb\u884c\u7f16\u8bd1\u3001\u8fd0\u884c\uff0c\u4e0b\u9762\u7684\u53d9\u8ff0\u54ea\u4e2a\u662f\u6b63\u786e\u7684\uff1a A.\u7531\u4e8eQoiz6_1\uff0emain\u65b9\u6cd5\u4e2d\u6ca1\u6709\u58f0\u660e\u629b\u51fa\u5f02\u5e38E1\u3001E2\uff0c\u6240\u4ee5\u7f16\u8bd1\u4f1a\u5931\u8d25 B.\u7f16\u8bd1\u6210\u529f\uff0c\u8f93\u51fa\u4e3a\uff1a  Caught E1 C.\u7f16\u8bd1\u6210\u529f\uff0c\u8f93\u51fa\u4e3a\uff1a  Caught El  Caught E2 D.\u7531\u4e8e\u9488\u5bf9E2\u7684catch\u7a0b\u5e8f\u5757\u662f\u65e0\u6cd5\u6267\u884c\u5230\u7684\uff0c\u6240\u4ee5\u7f16\u8bd1\u4f1a\u5931\u8d25<\/p>\n<p>\u6b63\u786e\u7b54\u6848\uff1aB<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u68c0\u67e5\u4e0b\u9762\u7684\u4ee3\u7801\uff1aclass E1&#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-2327","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\/2327","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=2327"}],"version-history":[{"count":0,"href":"https:\/\/zhenti.52daan.com\/index.php?rest_route=\/wp\/v2\/posts\/2327\/revisions"}],"wp:attachment":[{"href":"https:\/\/zhenti.52daan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2327"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zhenti.52daan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2327"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zhenti.52daan.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2327"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}