{"id":2016,"date":"2020-08-11T10:17:57","date_gmt":"2020-08-11T02:17:57","guid":{"rendered":"http:\/\/admin.evshou.com\/?p=2016"},"modified":"2020-08-11T12:02:34","modified_gmt":"2020-08-11T04:02:34","slug":"2020java%e6%95%99%e7%a8%8b%ef%bc%9a%e9%9d%a2%e5%90%91%e5%af%b9%e8%b1%a1%e8%af%be%e5%90%8e%e4%b9%a0%e9%a2%98","status":"publish","type":"post","link":"https:\/\/www.9713job.com\/?p=2016","title":{"rendered":"2020java\u6559\u7a0b\uff1a\u9762\u5411\u5bf9\u8c61\u8bfe\u540e\u4e60\u9898"},"content":{"rendered":"<h3>\u9762\u5411\u5bf9\u8c61\u8bfe\u540e\u4e60\u9898<\/h3>\n<p>\u5c06\u4e0b\u9762\u4ee3\u7801\u586b\u5145\u5b8c\u6574<\/p>\n<pre>public class demos{\r\n    public static void main(String[] args) {\r\n        \/\/\u521b\u5efa\u4e00\u4e2a\u72d7\u5bf9\u8c61\uff0c\u8c03\u7528\u6709\u53c2\u6784\u9020\r\n        \/\/\u540d\u4e3ajoy\uff0c\u5e74\u9f842\u5c81\uff0c\u6027\u522b\u4e3a\u6bcd\r\n        Dog d=new Dog(\"joy\",2,false);\r\n        \/\/\u8c03\u7528\u8be5\u5bf9\u8c61\u7684\u65e0\u53c2play\u65b9\u6cd5\r\n        d.play();\r\n        \/\/\u8c03\u7528\u8be5\u5bf9\u8c61\u7684\u6709\u53c2play\u65b9\u6cd5\uff0c\u53c2\u6570\u4e3a30\r\n        d.play(30);<!--more-->\r\n\r\n\r\n    }\r\n}\r\n\/\/\u5b9a\u4e49Dog\u7c7b\r\nclass Dog{\r\n    \/\/\u5b9a\u4e49name\u5c5e\u6027\uff0c\u5c5e\u6027String\u7c7b\u578b\r\n    String name;\r\n    \/\/\u5b9a\u4e49age\u5c5e\u6027\uff0c\u5c5e\u6027int\u7c7b\u578b\r\n    int age;\r\n    \/\/\u5b9a\u4e49sex\u5c5e\u6027\uff0c\u5c5e\u6027boolean\u7c7b\u578b\r\n    \/\/true\u4e3a\u516c\uff0cfalse\u4e3a\u6bcd\r\n    boolean sex;\r\n    \/\/\u5b9a\u4e49\u65e0\u53c2\u548c\u6709\u53c2\u6784\u9020\u65b9\u6cd5\u4e3a\u5c5e\u6027\u8d4b\u503c\r\n    public Dog(){}\r\n    public Dog(String name,int age,boolean sex){\r\n        this.name=name;\r\n        this.age=age;\r\n        this.sex=sex;\r\n    }\r\n    \/\/\u5b9a\u4e49play\u65b9\u6cd5\u65e0\u53c2\u548c\u6709\u6570\u503c\u7c7b\u578b\u7684\u53c2\u6570\u65b9\u6cd5\r\n    public void play(){\r\n        System.out.println(name+\"play\");\r\n    }\r\n    public void play(int n){\r\n        System.out.println(name+\"play\"+n+\"Hours\");\r\n    }\r\n}<\/pre>\n<p>\u5bf9\u8c61\u521b\u5efa\u8fc7\u7a0b<\/p>\n<pre>public class demos{\r\n    public static void main(String[] args) {\r\n        ClassC c=new ClassC();\r\n        \/\/\u8f93\u51fa\u7ed3\u679c\u662f\u4ec0\u4e48\uff1f\r\n        \/\/ClassA()\r\n        \/\/ClassC()\r\n        \/\/ClassB()\r\n    }\r\n}\r\nclass ClassA{\r\n    public ClassA(){\r\n        System.out.println(\"ClassA()\");\r\n    }\r\n}\r\nclass ClassB{\r\n    public ClassB(){\r\n        System.out.println(\"ClassB()\");\r\n    }\r\n}\r\nclass ClassC{\r\n    ClassA a=new ClassA();\r\n    ClassB b;\r\n    public ClassC(){\r\n        System.out.println(\"ClassC()\");\r\n        b=new ClassB();\r\n    }\r\n}<\/pre>\n<p>\u5f15\u7528\uff0c\u65b9\u6cd5\u53c2\u6570\u4f20\u9012<\/p>\n<pre>public class demos{\r\n    public static void main(String[] args) {\r\n        \/\/\u8bf7\u5199\u51fa\u8fd0\u884c\u7ed3\u679c\r\n        int value=10;\r\n        ChangeInt(value);\/\/10++\r\n        System.out.println(value);\/\/10\r\n        ClassA c=new ClassA();\/\/\u5730\u5740 0X0000A001\r\n        c.value=10;\/\/10\r\n        ChangeObject(c);\/\/\u5730\u5740 0X0000A001\r\n        System.out.println(c.value);\/\/10++ =11\r\n    }\r\n    public static void ChangeInt(int value){\r\n        value++;\r\n    }\r\n    public static void ChangeObject(ClassA c){\r\n        c.value++;\r\n    }\r\n}\r\nclass ClassA{\r\n    int value;\r\n}<\/pre>\n<pre>\u9762\u5411\u5bf9\u8c61\u7684\u521b\u5efa\r\n\r\n\u4e00\u3001\u5199\u4e00\u4e2a worker\u7c7b\uff0c\u5e76\u521b\u5efa\u591a\u4e2a worker\u5bf9\u8c61\r\n1.\u4e3a worker\u6dfb\u52a0\u4e09\u4e2a\u5c5e\u6027\r\n    \u59d3\u540d\u3001\u5e74\u9f84\u3001\u5de5\u8d44\r\n2.\u4e3a worker\u6dfb\u52a0\u4e24\u4e2a\u6784\u9020\u65b9\u6cd5\r\n    1.\u516c\u5f00\u65e0\u53c2\u65b9\u6cd5    2.\u63a5\u6536\u4e09\u53c2\u7684\u6784\u9020\u65b9\u6cd5\r\n3.\u4e3a worker\u6dfb\u52a0\u4e24\u4e2a work\u65b9\u6cd5\r\n    1.\u65e0\u53c2 work\u65b9\u6cd5    2.\u5e26\u6574\u6570\u53c2\u6570 work\u65b9\u6cd5(\u65f6\u95f4)\r\n\r\n\u4e8c\u3001\u5199\u4e00\u4e2a Address \u7c7b\r\n1.\u8be5\u7c7b\u6709\u4e24\u4e2a\u5c5e\u6027\uff1a\r\na. String address;\u8868\u793a\u5730\u5740  b. String zipCode;\u8868\u793a\u90ae\u7f16\r\n2.\u5199\u4e24\u4e2a\u6784\u9020\u65b9\u6cd5\r\na. \u65e0\u53c2\u6784\u9020\u65b9\u6cd5\uff1bb. \u4e24\u53c2\u6784\u9020\u65b9\u6cd5\r\n\r\n\u4e09\u3001\u7efc\u5408\u9898\r\n1.\u4e3a \u9898\u4e00\u4e2d\u7684 worker\u7c7b\u6dfb\u52a0addr\u5c5e\u6027\uff0c\u7c7b\u578b\u4e3a Address\r\n\u8981\u6c42\uff1a\u521b\u5efa\u4e00\u4e2a worker \u5bf9\u8c61\uff0c\u5176\u59d3\u540d\u4e3a \"\u5f20\u4e09\"\uff0c\u5e74\u9f8425\uff0c\u5de5\u8d442500\r\n\u5730\u5740\u4e3a \"address\"  \u90ae\u7f16\u4e3a 100100<\/pre>\n<pre>class Worker{\r\n    String name;\r\n    int age;\r\n    double salary;\r\n    Address addr;\r\n    public Worker() {}\r\n    public Worker(String name, int age, double salary, Address addr) {\r\n        this.name = name;\r\n        this.age = age;\r\n        this.salary = salary;\r\n        this.addr = addr;\r\n        System.out.println(\"\u59d3\u540d:\"+this.name+\",\u5e74\u9f84:\"+this.age+\",\u5de5\u8d44:\"+\r\n                this.salary+\",\u5730\u5740:\"+addr.address+\",\u90ae\u7f16:\"+addr.zipCode);\r\n    }\r\n    public void work(){\r\n        System.out.println(name+\"\u6b63\u5728\u5de5\u4f5c\");\r\n    }\r\n    public void work(int n){\r\n        System.out.println(name+\"\u5de5\u4f5c\u4e86\"+n+\"\u5c0f\u65f6\");\r\n    }\r\n}\r\npublic class demos{\r\n    public static void main(String[] args) {\r\n        Worker w1=new Worker(\"\u5f20\u4e09\",25,2500,\r\n                new Address(\"\u6211\u5728\u4f60\u5fc3\u91cc\u5440\",\"100100\"));\r\n        w1.work();\r\n        w1.work(50);\r\n    }\r\n}\r\nclass Address{\r\n    String address;\r\n    String zipCode;\r\n    public Address() {}\r\n    public Address(String address, String zipCode) {\r\n        this.address = address;\r\n        this.zipCode = zipCode;\r\n    }\r\n}<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u9762\u5411\u5bf9\u8c61\u8bfe\u540e\u4e60\u9898 \u5c06\u4e0b\u9762\u4ee3\u7801\u586b\u5145\u5b8c\u6574 public class demos{ public static vo [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-2016","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts\/2016","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2016"}],"version-history":[{"count":5,"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts\/2016\/revisions"}],"predecessor-version":[{"id":2021,"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts\/2016\/revisions\/2021"}],"wp:attachment":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2016"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2016"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2016"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}