{"id":908,"date":"2022-10-13T23:06:05","date_gmt":"2022-10-13T15:06:05","guid":{"rendered":"https:\/\/qaqaq.top\/?p=908"},"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-java8%e4%b8%ad%e6%8e%a5%e5%8f%a3%e7%9a%84%e6%96%b0%e7%89%b9%e6%80%a7","status":"publish","type":"post","link":"https:\/\/qaqaq.top\/?p=908","title":{"rendered":"\u9762\u5411\u5bf9\u8c61(\u4e0b)-Java8\u4e2d\u63a5\u53e3\u7684\u65b0\u7279\u6027"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>package top.qaqaq.java.P359;\r\n\r\n\/*\r\n * JDK8\uff1a\u9664\u4e86\u5b9a\u4e49\u5168\u5c40\u5e38\u91cf\u548c\u62bd\u8c61\u65b9\u6cd5\u4e4b\u5916\uff0c\u8fd8\u53ef\u4ee5\u5b9a\u4e49\u9759\u6001\u65b9\u6cd5\u3001\u9ed8\u8ba4\u65b9\u6cd5\r\n * \r\n * \r\n *\/\r\npublic interface CompareA {\r\n\r\n\t\/\/ \u9759\u6001\u65b9\u6cd5\r\n\tpublic static void method1() {\r\n\t\tSystem.out.println(\"CompareA:\u5317\u4eac\");\r\n\t}\r\n\r\n\t\/\/ \u9ed8\u8ba4\u65b9\u6cd5\r\n\tpublic default void method2() {\r\n\t\tSystem.out.println(\"CompaerA:\u4e0a\u6d77\");\r\n\t}\r\n\r\n\tdefault void method3() {\r\n\t\tSystem.out.println(\"CompaerA:\u4e0a\u6d77\");\r\n\t}\r\n}\r\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>package top.qaqaq.java.P359;\r\n\r\npublic interface CompareB {\r\n\r\n\tdefault void method3() {\r\n\t\tSystem.out.println(\"CompaerB:\u4e0a\u6d77\");\r\n\t}\r\n}\r\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>package top.qaqaq.java.P359;\r\n\r\npublic class SuperClass {\r\n\t\r\n\tpublic void method3() {\r\n\t\tSystem.out.println(\"SuperClass:\u5317\u4eac\");\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>package top.qaqaq.java.P359;\r\n\r\npublic class SubClassTest {\r\n\r\n\tpublic static void main(String&#91;] args) {\r\n\t\t\r\n\t\tSubClass s = new SubClass();\r\n\t\t\r\n\/\/\t\ts.method1();\r\n\/\/\t\tSubClass.method1();\r\n\t\t\/\/\u77e5\u8bc6\u70b91\uff1a\u63a5\u53e3\u4e2d\u5b9a\u4e49\u7684\u9759\u6001\u65b9\u6cd5\uff0c\u53ea\u80fd\u901a\u8fc7\u63a5\u53e3\u6765\u8c03\u7528\u3002\r\n\t\tCompareA.method1();\r\n\t\t\/\/\u77e5\u8bc6\u70b92\uff1a\u901a\u8fc7\u5b9e\u73b0\u7c7b\u7684\u5bf9\u8c61\uff0c\u53ef\u4ee5\u8c03\u7528\u63a5\u53e3\u4e2d\u7684\u9ed8\u8ba4\u65b9\u6cd5\r\n\t\t\/\/\u5982\u679c\u5b9e\u73b0\u7c7b\u91cd\u5199\u4e86\u63a5\u53e3\u4e2d\u7684\u9ed8\u8ba4\u65b9\u6cd5\uff0c\u8c03\u7528\u65f6\uff0c\u4ecd\u7136\u8c03\u7528\u7684\u662f\u91cd\u5199\u4ee5\u540e\u7684\u65b9\u6cd5\r\n\t\ts.method2();\r\n\t\t\/\/\u77e5\u8bc6\u70b93\uff1a\u5982\u679c\u5b50\u7c7b(\u6216\u5b9e\u73b0\u7c7b)\u7ee7\u627f\u7684\u7236\u7c7b\u548c\u5b9e\u73b0\u7684\u63a5\u53e3\u4e2d\u58f0\u660e\u4e86\u540c\u540d\u540c\u53c2\u6570\u7684\u9ed8\u8ba4\u65b9\u6cd5\uff0c\r\n\t\t\/\/\u90a3\u4e48\u5b50\u7c7b\u5728\u6ca1\u6709\u91cd\u5199\u6b64\u65b9\u6cd5\u7684\u60c5\u51b5\u4e0b\uff0c\u9ed8\u8ba4\u8c03\u7528\u7684\u662f\u7236\u7c7b\u4e2d\u7684\u540c\u540d\u540c\u53c2\u6570\u7684\u65b9\u6cd5\u3002 -->\u7c7b\u4f18\u5148\u539f\u5219\r\n\t\t\/\/\u77e5\u8bc6\u70b94\uff1a\u5982\u679c\u5b9e\u73b0\u7c7b\u5b9e\u73b0\u4e86\u591a\u4e2a\u63a5\u53e3\uff0c\u800c\u8fd9\u591a\u4e2a\u63a5\u53e3\u4e2d\u5b9a\u4e49\u4e86\u540c\u540d\u540c\u53c2\u6570\u7684\u9ed8\u8ba4\u65b9\u6cd5\r\n\t\t\/\/\u90a3\u4e48\u5728\u5b9e\u73b0\u7c7b\u6ca1\u6709\u91cd\u5199\u6b64\u65b9\u6cd5\u7684\u60c5\u51b5\u4e0b\uff0c\u62a5\u9519 -->\u63a5\u53e3\u51b2\u7a81\u3002\r\n\t\t\/\/\u8fd9\u5c31\u9700\u8981\u6211\u4eec\u5fc5\u987b\u5728\u5b9e\u73b0\u7c7b\u4e2d\u91cd\u5199\u6b64\u65b9\u6cd5\r\n\t\ts.method3();\r\n\t\t\r\n\t\t\r\n\/\/\t\tSubClass.method2();\r\n\t}\r\n}\r\n\r\nclass SubClass extends SuperClass implements CompareA,CompareB{\r\n\t\r\n\tpublic void method2() {\r\n\t\tSystem.out.println(\"SubClass:\u4e0a\u6d77\");\r\n\t}\r\n\t\r\n\tpublic void method3() {\r\n\t\tSystem.out.println(\"SubClass:\u6df1\u5733\");\r\n\t}\r\n\t\r\n\t\/\/\u77e5\u8bc6\u70b95\uff1a\u5982\u4f55\u5728\u5b50\u7c7b(\u6216\u5b9e\u73b0\u7c7b)\u7684\u65b9\u6cd5\u4e2d\u8c03\u7528\u7236\u7c7b\u3001\u63a5\u53e3\u4e2d\u88ab\u91cd\u5199\u7684\u65b9\u6cd5\r\n\tpublic void myMethod() {\r\n\t\tmethod3();\/\/\u8c03\u7528\u81ea\u5df1\u5b9a\u4e49\u7684\u91cd\u5199\u7684\u65b9\u6cd5\r\n\t\tsuper.method3();\/\/\u8c03\u7528\u7684\u662f\u7236\u7c7b\u4e2d\u58f0\u660e\u7684\r\n\t\t\/\/\u8c03\u7528\u63a5\u53e3\u4e2d\u7684\u9ed8\u8ba4\u65b9\u6cd5\r\n\t\tCompareA.super.method3();\r\n\t\tCompareB.super.method3();\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-908","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\/908"}],"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=908"}],"version-history":[{"count":1,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/908\/revisions"}],"predecessor-version":[{"id":909,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/908\/revisions\/909"}],"wp:attachment":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=908"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=908"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=908"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}