{"id":888,"date":"2022-10-12T23:01:15","date_gmt":"2022-10-12T15:01:15","guid":{"rendered":"https:\/\/qaqaq.top\/?p=888"},"modified":"2022-11-27T12:39:53","modified_gmt":"2022-11-27T04:39:53","slug":"%e9%9d%a2%e5%90%91%e5%af%b9%e8%b1%a1%e4%b8%8b-%e5%88%9b%e5%bb%ba%e6%8a%bd%e8%b1%a1%e7%b1%bb%e7%9a%84%e5%8c%bf%e5%90%8d%e5%ad%90%e7%b1%bb%e5%af%b9%e8%b1%a1","status":"publish","type":"post","link":"https:\/\/qaqaq.top\/?p=888","title":{"rendered":"\u9762\u5411\u5bf9\u8c61(\u4e0b)-\u521b\u5efa\u62bd\u8c61\u7c7b\u7684\u533f\u540d\u5b50\u7c7b\u5bf9\u8c61"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>package top.qaqaq.java.P347;\r\n\r\n\/*\r\n * abstract\u5173\u952e\u5b57\u7684\u4f7f\u7528\r\n * 1. abstract\uff1a\u62bd\u8c61\u7684\r\n * 2. abstract\u53ef\u4ee5\u7528\u6765\u4fee\u9970\u7684\u7ed3\u6784\uff1a\u7c7b\u3001\u65b9\u6cd5\r\n * \r\n * 3. abstract\u4fee\u9970\u7c7b\uff1a\u62bd\u8c61\u7c7b\r\n * \t\t> \u6b64\u7c7b\u4e0d\u80fd\u5b9e\u4f8b\u5316\r\n * \t\t> \u62bd\u8c61\u7c7b\u4e2d\u4e00\u5b9a\u6709\u6784\u9020\u5668\uff0c\u4fbf\u4e8e\u5b50\u7c7b\u5b9e\u4f8b\u5316\u65f6\u8c03\u7528\uff08\u6d89\u53ca\uff1a\u5b50\u7c7b\u5bf9\u8c61\u5b9e\u4f8b\u5316\u7684\u5168\u8fc7\u7a0b\uff09\r\n * \t\t> \u5f00\u53d1\u4e2d\uff0c\u90fd\u4f1a\u63d0\u4f9b\u62bd\u8c61\u7c7b\u7684\u5b50\u7c7b\uff0c\u8ba9\u5b50\u7c7b\u5bf9\u8c61\u5b9e\u4f8b\u5316\uff0c\u5b8c\u6210\u76f8\u5173\u7684\u64cd\u4f5c\r\n * \r\n * \r\n * \r\n * 4. abstract\u4fee\u9970\u65b9\u6cd5\uff1a\u62bd\u8c61\u65b9\u6cd5\r\n * \t\t> \u62bd\u8c61\u65b9\u6cd5\u53ea\u6709\u65b9\u6cd5\u7684\u58f0\u660e\uff0c\u6ca1\u6709\u65b9\u6cd5\u4f53\r\n * \t\t> \u5305\u542b\u62bd\u8c61\u65b9\u6cd5\u7684\u7c7b\uff0c\u4e00\u5b9a\u662f\u4e00\u4e2a\u62bd\u8c61\u7c7b\u3002\u53cd\u4e4b\uff0c\u62bd\u8c61\u7c7b\u4e2d\u53ef\u4ee5\u6ca1\u6709\u62bd\u8c61\u65b9\u6cd5\u7684\u3002\r\n * \t\t> \u82e5\u5b50\u7c7b\u91cd\u5199\u4e86\u7236\u7c7b\u4e2d\u7684\u6240\u6709\u7684\u62bd\u8c61\u65b9\u6cd5\u540e\uff0c\u6b64\u5b50\u7c7b\u65b9\u53ef\u5b9e\u4f8b\u5316\r\n * \t\t> \u82e5\u5b50\u7c7b\u6ca1\u6709\u91cd\u5199\u7236\u7c7b\u4e2d\u7684\u6240\u6709\u7684\u62bd\u8c61\u65b9\u6cd5\uff0c\u5219\u6b64\u5b50\u7c7b\u4e5f\u662f\u4e00\u4e2a\u62bd\u8c61\u7c7b\uff0c\u9700\u8981\u4f7f\u7528abstract\u4fee\u9970\r\n * \r\n *\/\r\npublic class AbstractTest {\r\n\r\n\tpublic static void main(String&#91;] args) {\r\n\r\n\t\t\/\/ \u4e00\u65e6Person\u7c7b\u62bd\u8c61\u4e86\uff0c\u5c31\u4e0d\u53ef\u5b9e\u4f8b\u5316\r\n\/\/\t\tPerson p1 = new Person();\r\n\/\/\t\tp1.eat();\r\n\t}\r\n}\r\n\r\nabstract class Creature {\r\n\tpublic abstract void breath();\r\n}\r\n\r\nabstract class Person extends Creature {\r\n\tString name;\r\n\tint age;\r\n\r\n\tpublic Person() {\r\n\r\n\t}\r\n\r\n\tpublic Person(String name, int age) {\r\n\t\tthis.name = name;\r\n\t\tthis.age = age;\r\n\t}\r\n\r\n\t\/\/ \u4e0d\u662f\u62bd\u8c61\u65b9\u6cd5\uff1a\r\n\/\/\tpublic void eat() {\r\n\/\/\t\t\r\n\/\/\t}\r\n\t\/\/ \u62bd\u8c61\u65b9\u6cd5\r\n\tpublic abstract void eat();\r\n\r\n\tpublic void walk() {\r\n\t\tSystem.out.println(\"\u4eba\u8d70\u8def\");\r\n\t}\r\n}\r\n\r\nclass Student extends Person {\r\n\r\n\tpublic Student(String name, int age) {\r\n\t\tsuper(name, age);\r\n\t}\r\n\r\n\tpublic Student() {\r\n\t\t\r\n\t}\r\n\r\n\tpublic void eat() {\r\n\t\tSystem.out.println(\"\u5b66\u751f\u591a\u5403\u6709\u8425\u517b\u7684\u98df\u7269\");\r\n\t}\r\n\r\n\t@Override\r\n\tpublic void breath() {\r\n\t\tSystem.out.println(\"\u5b66\u751f\u5e94\u8be5\u547c\u5438\u65b0\u9c9c\u7684\u6ca1\u6709\u96fe\u973e\u7684\u7a7a\u6c14\");\r\n\r\n\t}\r\n}<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>package top.qaqaq.java.P347;\r\n\/*\r\n * \u62bd\u8c61\u7c7b\u7684\u533f\u540d\u5b50\u7c7b\r\n * \r\n * \r\n * \r\n *\/\r\npublic class PersonTest {\r\n\r\n\tpublic static void main(String&#91;] args) {\r\n\t\t\r\n\t\tmethod(new Student());\/\/\u533f\u540d\u5bf9\u8c61\r\n\t\tWorker worker = new Worker();\r\n\t\tmethod1(worker);\/\/\u975e\u533f\u540d\u7684\u7c7b\u975e\u533f\u540d\u7684\u5bf9\u8c61\r\n\t\t\r\n\t\tmethod1(new Worker());\/\/\u975e\u533f\u540d\u7684\u7c7b\u533f\u540d\u7684\u5bf9\u8c61\r\n\t\t\r\n\t\tSystem.out.println(\"****************************\");\r\n\t\t\r\n\t\t\/\/\u521b\u5efa\u4e86\u4e00\u4e2a\u533f\u540d\u5b50\u7c7b\u7684\u5bf9\u8c61\uff1ap\r\n\t\tPerson p = new Person() {\r\n\r\n\t\t\t@Override\r\n\t\t\tpublic void eat() {\r\n\t\t\t\tSystem.out.println(\"\u5403\u4e1c\u897f\");\r\n\t\t\t}\r\n\r\n\t\t\t@Override\r\n\t\t\tpublic void breath() {\r\n\t\t\t\tSystem.out.println(\"\u597d\u597d\u547c\u5438\");\r\n\t\t\t}\r\n\t\t\t\r\n\t\t};\r\n\t\t\r\n\t\tmethod1(p);\r\n\t\t\r\n\t\tSystem.out.println(\"****************************\");\r\n\t\t\r\n\t\t\/\/\u521b\u5efa\u533f\u540d\u5b50\u7c7b\u7684\u533f\u540d\u5bf9\u8c61\r\n\t\tmethod1(new Person() {\r\n\r\n\t\t\t@Override\r\n\t\t\tpublic void eat() {\r\n\t\t\t\tSystem.out.println(\"\u5403\u597d\u5403\u4e1c\u897f\");\r\n\t\t\t\t\r\n\t\t\t}\r\n\r\n\t\t\t@Override\r\n\t\t\tpublic void breath() {\r\n\t\t\t\tSystem.out.println(\"\u597d\u597d\u547c\u5438\u65b0\u9c9c\u7a7a\u6c14\");\r\n\t\t\t\t\r\n\t\t\t}\r\n\t\t\t\r\n\t\t});\r\n\t\t\r\n\t}\r\n\t\r\n\tpublic static void method1(Person p) {\r\n\t\tp.eat();\r\n\t\tp.breath();\r\n\t}\r\n\t\r\n\tpublic static void method(Student s) {\r\n\t\t\r\n\t}\r\n}\r\n\r\nclass Worker extends Person{\r\n\r\n\t@Override\r\n\tpublic void eat() {\r\n\t\t\r\n\t}\r\n\r\n\t@Override\r\n\tpublic void breath() {\r\n\t\t\r\n\t}\r\n\t\r\n}\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[46],"class_list":["post-888","post","type-post","status-publish","format-standard","hentry","category-java-code","tag-java"],"_links":{"self":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/888"}],"collection":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=888"}],"version-history":[{"count":1,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/888\/revisions"}],"predecessor-version":[{"id":889,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/888\/revisions\/889"}],"wp:attachment":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=888"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=888"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=888"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}