{"id":78,"date":"2015-03-30T11:19:48","date_gmt":"2015-03-30T03:19:48","guid":{"rendered":"https:\/\/ai.zhousir.top\/?p=78"},"modified":"2015-04-18T21:19:30","modified_gmt":"2015-04-18T13:19:30","slug":"java%e7%bb%a7%e6%89%bf%e7%9a%84%e6%a6%82%e5%bf%b5%e4%b8%8e%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"https:\/\/ai.zhousir.top\/?p=78","title":{"rendered":"Java\u7ee7\u627f\u7684\u6982\u5ff5\u4e0e\u5b9e\u73b0"},"content":{"rendered":"

\u7ee7\u627f\u662f\u7c7b\u4e0e\u7c7b\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u662f\u4e00\u4e2a\u5f88\u7b80\u5355\u5f88\u76f4\u89c2\u7684\u6982\u5ff5\uff0c\u4e0e\u73b0\u5b9e\u4e16\u754c\u4e2d\u7684\u7ee7\u627f\uff08\u4f8b\u5982\u513f\u5b50\u7ee7\u627f\u7236\u4eb2\u8d22\u4ea7\uff09\u7c7b\u4f3c\u3002<\/p>\n

\u7ee7\u627f\u53ef\u4ee5\u7406\u89e3\u4e3a\u4e00\u4e2a\u7c7b\u4ece\u53e6\u4e00\u4e2a\u7c7b\u83b7\u53d6\u65b9\u6cd5\u548c\u5c5e\u6027\u7684\u8fc7\u7a0b\u3002\u5982\u679c\u7c7bB\u7ee7\u627f\u4e8e\u7c7bA\uff0c\u90a3\u4e48B\u5c31\u62e5\u6709A\u7684\u65b9\u6cd5\u548c\u5c5e\u6027\u3002<\/p>\n

\u7ee7\u627f\u4f7f\u7528 extends \u5173\u952e\u5b57\u3002<\/p>\n

<\/p>\n

\u4f8b\u5982\u6211\u4eec\u5df2\u7ecf\u5b9a\u4e49\u4e86\u4e00\u4e2a\u7c7b People\uff1a
\n[java]class People{
\n\u00a0\u00a0\u00a0 String name;
\n\u00a0\u00a0\u00a0 int age;
\n\u00a0\u00a0\u00a0 int height;
\n\u00a0\u00a0\u00a0
\n\u00a0\u00a0\u00a0 void say(){
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println("\u6211\u7684\u540d\u5b57\u662f " + name + "\uff0c\u5e74\u9f84\u662f " + age + "\uff0c\u8eab\u9ad8\u662f " + height);
\n\u00a0\u00a0\u00a0 }
\n}[\/java]
\n\u5982\u679c\u73b0\u5728\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a\u7c7b Teacher\uff0c\u5b83\u4e5f\u6709 name\u3001age\u3001height \u5c5e\u6027\u548c say() \u65b9\u6cd5\uff0c\u53e6\u5916\u8fd8\u9700\u8981\u589e\u52a0 school\u3001seniority\u3001subject \u5c5e\u6027\u548c lecturing() \u65b9\u6cd5\uff0c\u600e\u4e48\u529e\u5462\uff1f\u6211\u4eec\u8981\u91cd\u65b0\u5b9a\u4e49\u4e00\u4e2a\u7c7b\u5417\uff1f<\/p>\n

\u5b8c\u5168\u6ca1\u5fc5\u8981\uff0c\u53ef\u4ee5\u5148\u7ee7\u627f People \u7c7b\u7684\u6210\u5458\uff0c\u518d\u589e\u52a0\u81ea\u5df1\u7684\u6210\u5458\u5373\u53ef\uff0c\u4f8b\u5982\uff1a
\n[java]class Teacher extends People{
\n\u00a0\u00a0\u00a0 String school; \/\/ \u6240\u5728\u5b66\u6821
\n\u00a0\u00a0\u00a0 String subject; \/\/ \u5b66\u79d1
\n\u00a0\u00a0\u00a0 int seniority; \/\/ \u6559\u9f84
\n\u00a0\u00a0\u00a0
\n\u00a0\u00a0\u00a0 \/\/ \u8986\u76d6 People \u7c7b\u4e2d\u7684 say() \u65b9\u6cd5
\n\u00a0\u00a0\u00a0 void say(){
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println("\u6211\u53eb" + name + "\uff0c\u5728" + school + "\u6559" + subject + "\uff0c\u6709" + seniority + "\u5e74\u6559\u9f84");
\n\u00a0\u00a0\u00a0 }
\n\u00a0\u00a0\u00a0
\n\u00a0\u00a0\u00a0 void lecturing(){
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println("\u6211\u5df2\u7ecf" + age + "\u5c81\u4e86\uff0c\u4f9d\u7136\u7ad9\u5728\u8bb2\u53f0\u4e0a\u8bb2\u8bfe");
\n\u00a0\u00a0\u00a0 }
\n}[\/java]
\n\u5bf9\u7a0b\u5e8f\u7684\u8bf4\u660e
\nname \u548c age \u53d8\u91cf\u867d\u7136\u6ca1\u6709\u5728 Teacher \u4e2d\u5b9a\u4e49\uff0c\u4f46\u662f\u5df2\u5728 People \u4e2d\u5b9a\u4e49\uff0c\u53ef\u4ee5\u76f4\u63a5\u62ff\u6765\u7528\u3002
\nTeacher \u662f People \u7684\u5b50\u7c7b\uff0cPeople \u662fTeacher \u7c7b\u7684\u7236\u7c7b\u3002
\n\u5b50\u7c7b\u53ef\u4ee5\u8986\u76d6\u7236\u7c7b\u7684\u65b9\u6cd5\u3002
\n\u5b50\u7c7b\u53ef\u4ee5\u7ee7\u627f\u7236\u7c7b\u9664private\u4ee5\u4e3a\u7684\u6240\u6709\u7684\u6210\u5458\u3002
\n\u6784\u9020\u65b9\u6cd5\u4e0d\u80fd\u88ab\u7ee7\u627f\u3002<\/p>\n

\u7ee7\u627f\u662f\u5728\u7ef4\u62a4\u548c\u53ef\u9760\u6027\u65b9\u9762\u7684\u4e00\u4e2a\u4f1f\u5927\u8fdb\u6b65\u3002\u5982\u679c\u5728 People \u7c7b\u4e2d\u8fdb\u884c\u4fee\u6539\uff0c\u90a3\u4e48 Teacher \u7c7b\u5c31\u4f1a\u81ea\u52a8\u4fee\u6539\uff0c\u800c\u4e0d\u9700\u8981\u7a0b\u5e8f\u5458\u505a\u4efb\u4f55\u5de5\u4f5c\uff0c\u9664\u4e86\u5bf9\u5b83\u8fdb\u884c\u7f16\u8bd1\u3002<\/p>\n

\u5355\u7ee7\u627f\u6027\uff1aJava \u5141\u8bb8\u4e00\u4e2a\u7c7b\u4ec5\u80fd\u7ee7\u627f\u4e00\u4e2a\u5176\u5b83\u7c7b\uff0c\u5373\u4e00\u4e2a\u7c7b\u53ea\u80fd\u6709\u4e00\u4e2a\u7236\u7c7b\uff0c\u8fd9\u4e2a\u9650\u5236\u88ab\u79f0\u505a\u5355\u7ee7\u627f\u6027\u3002\u540e\u9762\u5c06\u4f1a\u5b66\u5230\u63a5\u53e3(interface)\u7684\u6982\u5ff5\uff0c\u63a5\u53e3\u5141\u8bb8\u591a\u7ee7\u627f\u3002<\/p>\n

\u6700\u540e\u5bf9\u4e0a\u9762\u7684\u4ee3\u7801\u8fdb\u884c\u6574\u7406\uff1a
\n[java]public class Demo {
\n\u00a0\u00a0\u00a0 public static void main(String[] args) {
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Teacher t = new Teacher();
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 t.name = "\u5c0f\u5e03";
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 t.age = 70;
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 t.school = "\u6e05\u534e\u5927\u5b66";
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 t.subject = "Java";
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 t.seniority = 12;
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 t.say();
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 t.lecturing();
\n\u00a0\u00a0\u00a0 }
\n}
\nclass People{
\n\u00a0\u00a0\u00a0 String name;
\n\u00a0\u00a0\u00a0 int age;
\n\u00a0\u00a0\u00a0 int height;
\n\u00a0\u00a0\u00a0
\n\u00a0\u00a0\u00a0 void say(){
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println("\u6211\u7684\u540d\u5b57\u662f " + name + "\uff0c\u5e74\u9f84\u662f " + age + "\uff0c\u8eab\u9ad8\u662f " + height);
\n\u00a0\u00a0\u00a0 }
\n}
\nclass Teacher extends People{
\n\u00a0\u00a0\u00a0 String school; \/\/ \u6240\u5728\u5b66\u6821
\n\u00a0\u00a0\u00a0 String subject; \/\/ \u5b66\u79d1
\n\u00a0\u00a0\u00a0 int seniority; \/\/ \u6559\u9f84
\n\u00a0\u00a0\u00a0
\n\u00a0\u00a0\u00a0 \/\/ \u8986\u76d6 People \u7c7b\u4e2d\u7684 say() \u65b9\u6cd5
\n\u00a0\u00a0\u00a0 void say(){
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println("\u6211\u53eb" + name + "\uff0c\u5728" + school + "\u6559" + subject + "\uff0c\u6709" + seniority + "\u5e74\u6559\u9f84");
\n\u00a0\u00a0\u00a0 }
\n\u00a0\u00a0\u00a0
\n\u00a0\u00a0\u00a0 void lecturing(){
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println("\u6211\u5df2\u7ecf" + age + "\u5c81\u4e86\uff0c\u4f9d\u7136\u7ad9\u5728\u8bb2\u53f0\u4e0a\u8bb2\u8bfe");
\n\u00a0\u00a0\u00a0 }
\n}[\/java]
\n\u8fd0\u884c\u7ed3\u679c\uff1a
\n\u6211\u53eb\u5c0f\u5e03\uff0c\u5728\u6e05\u534e\u5927\u5b66\u6559Java\uff0c\u670912\u5e74\u6559\u9f84
\n\u6211\u5df2\u7ecf70\u5c81\u4e86\uff0c\u4f9d\u7136\u7ad9\u5728\u8bb2\u53f0\u4e0a\u8bb2\u8bfe<\/p>\n

\u6ce8\u610f\uff1a\u6784\u9020\u65b9\u6cd5\u4e0d\u80fd\u88ab\u7ee7\u627f\uff0c\u638c\u63e1\u8fd9\u4e00\u70b9\u5f88\u91cd\u8981\u3002 \u4e00\u4e2a\u7c7b\u80fd\u5f97\u5230\u6784\u9020\u65b9\u6cd5\uff0c\u53ea\u6709\u4e24\u4e2a\u529e\u6cd5\uff1a\u7f16\u5199\u6784\u9020\u65b9\u6cd5\uff0c\u6216\u8005\u6839\u672c\u6ca1\u6709\u6784\u9020\u65b9\u6cd5\uff0c\u7c7b\u6709\u4e00\u4e2a\u9ed8\u8ba4\u7684\u6784\u9020\u65b9\u6cd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u7ee7\u627f\u662f\u7c7b\u4e0e\u7c7b\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u662f\u4e00\u4e2a\u5f88\u7b80\u5355\u5f88\u76f4\u89c2\u7684\u6982\u5ff5\uff0c\u4e0e\u73b0\u5b9e\u4e16\u754c\u4e2d\u7684\u7ee7\u627f\uff08\u4f8b\u5982\u513f\u5b50\u7ee7\u627f\u7236\u4eb2\u8d22\u4ea7\uff09\u7c7b\u4f3c\u3002 \u7ee7\u627f\u53ef\u4ee5\u7406 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[16],"tags":[31],"_links":{"self":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/78"}],"collection":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=78"}],"version-history":[{"count":2,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/78\/revisions"}],"predecessor-version":[{"id":373,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/78\/revisions\/373"}],"wp:attachment":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=78"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=78"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=78"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}