{"id":489,"date":"2021-01-29T18:24:23","date_gmt":"2021-01-29T10:24:23","guid":{"rendered":"https:\/\/www.52dixiaowo.com\/java\/?p=489"},"modified":"2021-02-18T11:56:11","modified_gmt":"2021-02-18T03:56:11","slug":"%e6%8e%a5%e5%8f%a3-%e4%b8%8e-%e6%8e%a5%e5%8f%a3%e7%b1%bb","status":"publish","type":"post","link":"https:\/\/www.52dixiaowo.com\/java\/post-489.html","title":{"rendered":"\u63a5\u53e3"},"content":{"rendered":"\n<h5>1.\u63a5\u53e3\u7684\u6982\u5ff5<\/h5>\n\n\n\n<p>\u63a5\u53e3\u662f\u4e00\u79cd\u516c\u5171\u89c4\u8303\uff0c<\/p>\n\n\n\n<p>\u89c4\u8303\u5f80\u5f80\u662f\u903b\u8f91\u4e0a\u7684\uff0c\u5e76\u4e0d\u662f\u6307\u4ee3\u7801\u76f8\u540c<\/p>\n\n\n\n<p>\u63a5\u53e3\uff0c\u4fbf\u4e8e\u5bf9\u8c61\u63a5\u5165\uff0c\u5bf9\u8c61\u80fd\u7075\u6d3b\u589e\u52a0\u529f\u80fd<\/p>\n\n\n\n<h4 class=\"has-text-align-center\">2.\u63a5\u53e3<\/h4>\n\n\n\n<h5>1.\u63a5\u53e3\u7684\u5b9a\u4e49<\/h5>\n\n\n\n<p>\u4f7f\u7528 interface \u5173\u952e\u5b57<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public interface \u7c7b\u540d\u79f0{\n  \u7c7b\u4f53;\n}<\/code><\/pre>\n\n\n\n<h5>2.\u63a5\u53e3\u4f53<\/h5>\n\n\n\n<p>\u63a5\u53e3\u4f53\u7684\u5185\u5bb9 \u4e0e jdk \u7248\u672c\u6709\u5173\uff0c\u7248\u672c\u8d8a\u9ad8\uff0c\u5185\u5bb9\u8d8a\u591a<\/p>\n\n\n\n<ul><li>\u5e38\u91cf<\/li><li>\u62bd\u8c61\u65b9\u6cd5   &#8211;&gt; jdk7<\/li><li>\u9ed8\u8ba4\u65b9\u6cd5<\/li><li>\u9759\u6001\u65b9\u6cd5  &#8211;&gt; jdk8<\/li><li>\u79c1\u6709\u65b9\u6cd5  &#8211;&gt; jdk9<\/li><\/ul>\n\n\n\n<h5>3.\u63a5\u53e3\u7684\u5b9e\u73b0\u7c7b<\/h5>\n\n\n\n<p>\u63a5\u53e3\u7c7b\uff0c\u4e0d\u80fd\u76f4\u63a5\u521b\u5efa<\/p>\n\n\n\n<p>\u63a5\u53e3\u5fc5\u987b\u88ab\u6807\u51c6\u7c7b\u5b9e\u73b0\uff0c\u624d\u80fd\u53d1\u6325\u4f5c\u7528<\/p>\n\n\n\n<p>\uff08\u867d\u7136\u63a5\u53e3\u4e0d\u662f\u7c7b\uff0c\u4f46\u8fd9\u91cc\u65b9\u4fbf\u533a\u5206\uff0cinterface\u53eb\u63a5\u53e3\u7c7b\uff0cclass\u53eb\u6807\u51c6\u7c7b)<\/p>\n\n\n\n<p>\u6807\u51c6\u7c7b\u4f7f\u7528 implements \u5b9e\u73b0\u63a5\u53e3\uff0c\u79f0\u4e3a\u5b9e\u73b0\u7c7b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public class \u7c7b\u540d\u79f0 implements \u63a5\u53e3\u5217\u8868{\n  \u7c7b\u4f53;\n}<\/code><\/pre>\n\n\n\n<p>\u5b9e\u73b0\u7c7b\u5fc5\u987b\u5b9e\u73b0\u6240\u6709\u62bd\u8c61\u65b9\u6cd5(\u9664\u975e\u5b83\u662f\u62bd\u8c61\u7c7b)<\/p>\n\n\n\n<p>(\u82e5\u7236\u7c7b\u62bd\u8c61\u65b9\u6cd5\u4e0e\u63a5\u53e3\u62bd\u8c61\u65b9\u6cd5\u540c\u540d\uff0c\u7528\u7236\u7c7b)<\/p>\n\n\n\n<h5>4.\u9ed8\u8ba4\u65b9\u6cd5<\/h5>\n\n\n\n<p>\u9ed8\u8ba4\u65b9\u6cd5\u7684\u5b9a\u4e49<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public default \u65b9\u6cd5\u540d(\u53c2\u6570\u5217\u8868){\n  \u65b9\u6cd5\u4f53;\n}<\/code><\/pre>\n\n\n\n<p>\u9ed8\u8ba4\u65b9\u6cd5\u53ef\u4ee5\u88ab\u5b9e\u73b0\u7c7b\u76f4\u63a5\u8c03\u7528\uff0c\u4e5f\u53ef\u4ee5\u88ab\u8986\u76d6<\/p>\n\n\n\n<h5>5.\u9759\u6001\u65b9\u6cd5<\/h5>\n\n\n\n<p>\u63a5\u53e3\u4e2d\u7684\u9759\u6001\u65b9\u6cd5\uff0c\u53ea\u80fd\u901a\u8fc7\u63a5\u53e3\u540d.\u65b9\u6cd5\u540d\u8c03\u7528<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u63a5\u53e3\u540d.\u65b9\u6cd5\u540d;<\/code><\/pre>\n\n\n\n<h5>6.\u79c1\u6709\u65b9\u6cd5<\/h5>\n\n\n\n<p>\u5b9a\u4e49\u4e0e\u666e\u901a\u7684\u79c1\u6709\u65b9\u6cd5\u76f8\u540c<\/p>\n\n\n\n<p>\u53ea\u80fd\u5728\u63a5\u53e3\u7684\u9ed8\u8ba4\u65b9\u6cd5\u4e2d\u8c03\u7528<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1.\u63a5\u53e3\u7684\u6982\u5ff5 \u63a5\u53e3\u662f\u4e00\u79cd\u516c\u5171\u89c4\u8303\uff0c \u89c4\u8303\u5f80\u5f80\u662f\u903b\u8f91\u4e0a\u7684\uff0c\u5e76\u4e0d\u662f\u6307\u4ee3\u7801\u76f8\u540c \u63a5\u53e3\uff0c\u4fbf\u4e8e\u5bf9\u8c61\u63a5\u5165\uff0c\u5bf9\u8c61\u80fd\u7075\u6d3b\u589e\u52a0&hellip; 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