{"id":1171,"date":"2021-06-28T20:54:52","date_gmt":"2021-06-28T12:54:52","guid":{"rendered":"http:\/\/www.rain1024.com\/?p=1171"},"modified":"2023-08-07T20:57:23","modified_gmt":"2023-08-07T12:57:23","slug":"java%e9%bb%98%e8%ae%a4%e6%8e%a5%e5%8f%a3%e6%96%b9%e6%b3%95%e5%bc%95%e5%8f%91%e7%9a%84%e5%a4%9a%e7%bb%a7%e6%89%bf%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"http:\/\/rain1024.com\/index.php\/2021\/06\/28\/java%e9%bb%98%e8%ae%a4%e6%8e%a5%e5%8f%a3%e6%96%b9%e6%b3%95%e5%bc%95%e5%8f%91%e7%9a%84%e5%a4%9a%e7%bb%a7%e6%89%bf%e9%97%ae%e9%a2%98\/","title":{"rendered":"Java\u9ed8\u8ba4\u63a5\u53e3\u65b9\u6cd5\u5f15\u53d1\u7684\u591a\u7ee7\u627f\u95ee\u9898"},"content":{"rendered":"<p>Java\u9ed8\u8ba4\u63a5\u53e3\u65b9\u6cd5\u5f15\u53d1\u7684\u591a\u7ee7\u627f\u95ee\u9898<\/p>\n<p>Java8\u4e2d\u7684\u62bd\u8c61\u7c7b\u548c\u62bd\u8c61\u63a5\u53e3\u533a\u522b<\/p>\n<p>\u9996\u5148,\u4e00\u4e2a\u7c7b\u53ea\u80fd\u7ee7\u627f\u4e00\u4e2a\u62bd\u8c61\u7c7b,\u4f46\u662f\u4e00\u4e2a\u7c7b\u53ef\u4ee5\u5b9e\u73b0\u591a\u4e2a\u63a5\u53e3<\/p>\n<p>\u5176\u6b21,\u4e00\u4e2a\u62bd\u8c61\u7c7b\u53ef\u4ee5\u901a\u8fc7\u5b9e\u4f8b\u53d8\u91cf(\u5b57\u6bb5)\u4fdd\u5b58\u4e00\u4e2a\u901a\u7528\u72b6\u6001,\u800c\u63a5\u30ed\u662f\u4e0d\u80fd\u6709\u5b9e\u4f8b\u53d8\u91cf\u7684<\/p>\n<p>\u719f\u6089Java\u6216\u8005\u770b\u8fc7Java\u9762\u8bd5\u9898\u7684\u90fd\u77e5\u9053\uff0cJava\u4e0d\u652f\u6301\u591a\u7ee7\u627f\uff0c\u539f\u56e0\u662f:<\/p>\n<ul>\n<li>\u5b89\u5168\u6027\u7684\u8003\u8651\uff0c\u5982\u679c\u5b50\u7c7b\u7ee7\u627f\u7684\u591a\u4e2a\u7236\u7c7b\u91cc\u9762\u6709\u76f8\u540c\u7684\u65b9\u6cd5\u6216\u8005\u5c5e\u6027\uff0c\u5b50\u7c7b\u5c06\u4e0d\u77e5\u9053\u5177\u4f53\u8981\u7ee7\u627f\u54ea\u4e2a\u3002<\/li>\n<li>Java\u63d0\u4f9b\u4e86\u63a5\u53e3\u548c\u5185\u90e8\u7c7b\u4ee5\u8fbe\u5230\u5b9e\u73b0\u591a\u7ee7\u627f\u529f\u80fd\uff0c\u5f25\u8865\u5355\u7ee7\u627f\u7684\u7f3a\u9677\u3002<\/li>\n<\/ul>\n<p>\u6240\u4ee5\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u53ef\u4ee5\u901a\u8fc7\u591a\u4e2a\u63a5\u53e3\u6765\u7075\u6d3b\u5b9e\u73b0\uff0c\u4f46Java8\u4e2d\u652f\u6301\u63a5\u53e3\u7f16\u5199\u9ed8\u8ba4\u65b9\u6cd5\uff0c\u53d8\u76f8\u7b49\u4e8e\u53ef\u4ee5\u7ee7\u627f\u591a\u4e2a\u7c7b\u3002<\/p>\n<pre><code class=\"java\">interface A{\n    default void a(){\n        System.out.println(\"a\");\n    }\n}\nabstract class B{\n    public void b(){\n        System.out.println(\"b\");\n    }\n}\nclass C extends B implements A{\n    public void c(){\n        System.out.println(\"c\");\n    }\n}\n<\/code><\/pre>\n<p>Java8\u7684\u8fd9\u79cd\u6539\u8fdb\u6e90\u4e8e\u63a5\u53e3\u5347\u7ea7\u8fed\u4ee3\u5b58\u5728\u7684\u95ee\u9898\uff0c\u4e00\u65e6\u5728\u63a5\u53e3\u4e2d\u65b0\u52a0\u5165\u65b9\u6cd5\uff0c\u5f02\u5473\u7740\u6240\u6709\u5b9e\u73b0\u8be5\u63a5\u53e3\u7684\u7c7b\u90fd\u8981\u5b9e\u73b0\u8be5\u65b9\u6cd5\uff0c\u4f8b\u5982List\u63a5\u53e3\u589e\u52a0\u65b0\u7684\u65b9\u6cd5\uff0c ArrayList \uff0cList, LinkedList, Vector\u4ee5\u53ca\u6240\u6709\u76f8\u5173\u7684\u7c7b\u90fd\u8981\u53d1\u751f\u53d8\u5316\uff0c\u8fd9\u7b80\u76f4\u5c31\u662f\u707e\u96be\uff0c\u5bf9\u6574\u4e2a\u9879\u76ee\u4f1a\u4ea7\u751f\u975e\u5e38\u5927\u7684\u5f71\u54cd\uff0c\u6240\u4ee5\u6211\u7406\u89e3Java\u5f00\u53d1\u8005\u4e3a\u4e86\u52a0\u5165\u65b0\u7684\u529f\u80fd\u800c\u53c8\u4e0d\u5f71\u54cd\u73b0\u6709\u4ee3\u7801\u7684\u8fd0\u884c\uff0c\u5bb9\u8bb8\u63a5\u53e3\u4e2d\u6765\u7f16\u5199\u9ed8\u8ba4\u65b9\u6cd5\uff0c\u9ed8\u8ba4\u65b9\u6cd5\u5728Java8\u7684API\u4e2d\u5df2\u7ecf\u5927\u91cf\u5730\u4f7f\u7528\u4e86\u3002\u5982\u5927\u91cf\u4f7f\u7528\u7684co11ection\u63a5\u53e3\u7684 stream\u65b9\u6cd5\u5c31\u662f\u9ed8\u8ba4\u65b9\u6cd5\u3002list\u63a5\u53e3\u7684sort\u65b9\u6cd5\u4e5f\u662f\u9ed8\u8ba4\u65b9\u6cd5\u3002\u5f88\u591a\u51fd\u6570\u5f0f\u63a5\u53e3,\u6bd4\u5982 Predicate\u3001 Functionl\u4ee5\u53ca Comparator\u4e5f\u5f15\u4eba\u4e86\u65b0\u7684\u9ed8\u8ba4\u65b9\u6cd5,\u6bd4\u5982 Predicate.and\u6216\u8005 Function. andthen\uff0clist\u65b0\u52a0\u5165\u7684sort\u6392\u5e8f\u3002<\/p>\n<pre><code>default void sort(Comparator&lt;? 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