{"id":71,"date":"2015-03-30T10:46:23","date_gmt":"2015-03-30T02:46:23","guid":{"rendered":"https:\/\/ai.zhousir.top\/?p=71"},"modified":"2026-08-18T12:09:24","modified_gmt":"2026-08-18T04:09:24","slug":"java%e5%af%b9%e8%b1%a1%e5%92%8c%e7%b1%bb","status":"publish","type":"post","link":"https:\/\/ai.zhousir.top\/?p=71","title":{"rendered":"Java\u5bf9\u8c61\u548c\u7c7b"},"content":{"rendered":"
\n

Java \u662f\u9762\u5411\u5bf9\u8c61\u8bed\u8a00\uff0c\u56f4\u7ed5\u7c7b<\/strong>\u548c\u5bf9\u8c61<\/strong>\u7ec4\u7ec7\u4ee3\u7801\u3002\u5e38\u89c1\u6982\u5ff5\u8fd8\u6709\u5b9e\u4f8b\u3001\u65b9\u6cd5\u3001\u5c5e\u6027\u3001\u6d88\u606f\u3001\u5c01\u88c5\u3001\u7ee7\u627f\u3001\u591a\u6001\u3001\u62bd\u8c61\u3002\u672c\u8282\u53ea\u628a\u5bf9\u8c61\u548c\u7c7b\u8bb2\u6e05\u695a\u3002<\/p>\n

\u5bf9\u8c61\u662f\u7c7b\u7684\u4e00\u4e2a\u5b9e\u4f8b\uff0c\u6709\u72b6\u6001\u548c\u884c\u4e3a\u3002\u4e00\u6761\u72d7\u662f\u5bf9\u8c61\uff1a\u72b6\u6001\u53ef\u4ee5\u662f\u989c\u8272\u3001\u540d\u5b57\u3001\u54c1\u79cd\uff0c\u884c\u4e3a\u53ef\u4ee5\u662f\u6447\u5c3e\u5df4\u3001\u53eb\u3001\u5403\u3002\u7c7b\u5219\u662f\u6a21\u677f\uff0c\u63cf\u8ff0\u8fd9\u4e00\u7c7b\u5bf9\u8c61\u5171\u6709\u7684\u884c\u4e3a\u548c\u72b6\u6001\u3002<\/p>\n

<\/p>\n

\u4e00\u3001\u73b0\u5b9e\u5bf9\u8c61\u548c\u8f6f\u4ef6\u5bf9\u8c61<\/h2>\n

\u8eab\u8fb9\u5230\u5904\u662f\u5bf9\u8c61\uff1a\u8f66\u3001\u72d7\u3001\u4eba\u3002\u5b83\u4eec\u90fd\u6709\u72b6\u6001\u548c\u884c\u4e3a\u3002\u8f6f\u4ef6\u5bf9\u8c61\u5f88\u50cf\uff1a\u72b6\u6001\u7528\u5c5e\u6027<\/strong>\uff08\u6210\u5458\u53d8\u91cf\uff09\u4fdd\u5b58\uff0c\u884c\u4e3a\u7528\u65b9\u6cd5<\/strong>\u4f53\u73b0\u3002\u65b9\u6cd5\u8d1f\u8d23\u6539\u5185\u90e8\u72b6\u6001\uff0c\u5bf9\u8c61\u4e4b\u95f4\u4e5f\u901a\u8fc7\u65b9\u6cd5\u4e92\u76f8\u8c03\u7528\u3002<\/p>\n

\u4e8c\u3001\u7c7b\uff1a\u521b\u5efa\u5bf9\u8c61\u7684\u6a21\u677f<\/h2>\n

\u4e00\u4e2a\u7b80\u5355\u7684 Dog \u7c7b\uff1a<\/p>\n

public class Dog {\n    String breed;\n    int age;\n    String color;\n\n    void barking() {\n    }\n\n    void hungry() {\n    }\n\n    void sleeping() {\n    }\n}<\/code><\/pre>\n
\u7c7b\u91cc\u53ef\u4ee5\u51fa\u73b0\u4e09\u7c7b\u53d8\u91cf\uff1a<\/p>\n\n\n\n\n\n\n\n
\u79cd\u7c7b<\/th>\n\u5b9a\u4e49\u4f4d\u7f6e<\/th>\n\u751f\u547d\u5468\u671f<\/th>\n<\/tr>\n<\/thead>\n
\u5c40\u90e8\u53d8\u91cf<\/td>\n\u65b9\u6cd5\u3001\u6784\u9020\u65b9\u6cd5\u6216\u8bed\u53e5\u5757\u5185<\/td>\n\u65b9\u6cd5\u7ed3\u675f\u5c31\u9500\u6bc1\uff0c\u4f7f\u7528\u524d\u5fc5\u987b\u8d4b\u503c<\/td>\n<\/tr>\n
\u6210\u5458\u53d8\u91cf\uff08\u5b9e\u4f8b\u53d8\u91cf\uff09<\/td>\n\u7c7b\u4e2d\u3001\u65b9\u6cd5\u5916\uff0c\u65e0 static<\/td>\n\u968f\u5bf9\u8c61\u521b\u5efa\u800c\u5206\u914d\uff0c\u65b9\u6cd5\/\u6784\u9020\u65b9\u6cd5\u53ef\u8bbf\u95ee<\/td>\n<\/tr>\n
\u7c7b\u53d8\u91cf<\/td>\n\u7c7b\u4e2d\u3001\u65b9\u6cd5\u5916\uff0c\u5e26 static<\/td>\n\u5c5e\u4e8e\u7c7b\u672c\u8eab\uff0c\u6240\u6709\u5b9e\u4f8b\u5171\u4eab<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u4e0a\u9762\u7684 barking()<\/code>\u3001hungry()<\/code>\u3001sleeping()<\/code> \u90fd\u662f Dog \u7684\u65b9\u6cd5\u3002\u4e00\u4e2a\u7c7b\u53ef\u4ee5\u6709\u591a\u4e2a\u65b9\u6cd5\u3002<\/p>\n
\u4e09\u3001\u6784\u9020\u65b9\u6cd5<\/h2>\n
\u6bcf\u4e2a\u7c7b\u90fd\u6709\u6784\u9020\u65b9\u6cd5\u3002\u4f60\u4e0d\u5199\uff0c\u7f16\u8bd1\u5668\u4f1a\u7ed9\u4e00\u4e2a\u9ed8\u8ba4\u65e0\u53c2\u6784\u9020<\/strong>\u3002\u521b\u5efa\u5bf9\u8c61\u65f6\u81f3\u5c11\u4f1a\u8c03\u7528\u4e00\u4e2a\u6784\u9020\u65b9\u6cd5\u3002\u540d\u5b57\u5fc5\u987b\u548c\u7c7b\u540d\u76f8\u540c\uff0c\u53ef\u4ee5\u91cd\u8f7d\u591a\u4e2a\u7248\u672c\uff1a<\/p>\n
public class Puppy {\n    public Puppy() {\n    }\n\n    public Puppy(String name) {\n        \/\/ \u8fd9\u4e2a\u6784\u9020\u5668\u4ec5\u6709\u4e00\u4e2a\u53c2\u6570\uff1aname\n    }\n}<\/code><\/pre>\n
\u56db\u3001\u7528 new \u521b\u5efa\u5bf9\u8c61<\/h2>\n
\u4e09\u6b65\uff1a\u58f0\u660e<\/strong>\u7c7b\u578b\u548c\u540d\u5b57 \u2192 \u7528 new<\/code> \u5b9e\u4f8b\u5316<\/strong> \u2192 \u8c03\u7528\u6784\u9020\u65b9\u6cd5\u521d\u59cb\u5316<\/strong>\u3002<\/p>\n
public class Puppy {\n    public Puppy(String name) {\n        System.out.println(\"Passed Name is :\" + name);\n    }\n    public static void main(String[] args) {\n        Puppy myPuppy = new Puppy(\"tommy\");\n    }\n}\n\/\/ \u8f93\u51fa\uff1aPassed Name is :tommy<\/code><\/pre>\n
\u8bbf\u95ee\u6210\u5458\u7684\u5199\u6cd5\uff1a<\/p>\n
\/* \u5b9e\u4f8b\u5316\u5bf9\u8c61 *\/\nObjectReference = new Constructor();\n\/* \u8bbf\u95ee\u5176\u4e2d\u7684\u53d8\u91cf *\/\nObjectReference.variableName;\n\/* \u8bbf\u95ee\u7c7b\u4e2d\u7684\u65b9\u6cd5 *\/\nObjectReference.MethodName();<\/code><\/pre>\n
\u5b8c\u6574\u4f8b\u5b50\uff1a\u6784\u9020\u65f6\u6253\u5370\u540d\u5b57\uff0c\u518d\u7528 setter \/ getter \u64cd\u4f5c\u5e74\u9f84\uff0c\u4e5f\u53ef\u4ee5\u76f4\u63a5\u8bfb\u5b57\u6bb5\u3002<\/p>\n
public class Puppy {\n    int puppyAge;\n    public Puppy(String name) {\n        System.out.println(\"Passed Name is :\" + name);\n    }\n    public void setAge(int age) {\n        puppyAge = age;\n    }\n    public int getAge() {\n        System.out.println(\"Puppy's age is :\" + puppyAge);\n        return puppyAge;\n    }\n    public static void main(String[] args) {\n        Puppy myPuppy = new Puppy(\"tommy\");\n        myPuppy.setAge(2);\n        myPuppy.getAge();\n        System.out.println(\"Variable Value :\" + myPuppy.puppyAge);\n    }\n}\n\/\/ Passed Name is :tommy\n\/\/ Puppy's age is :2\n\/\/ Variable Value :2<\/code><\/pre>\n
\n
\u4e00\u53e5\u8bdd\u603b\u7ed3\uff1a\u7c7b\u662f\u6a21\u677f\uff0c\u5bf9\u8c61\u662f\u5b9e\u4f8b\uff1bnew \u4f1a\u8c03\u7528\u6784\u9020\u65b9\u6cd5\uff0c\u72b6\u6001\u653e\u5b57\u6bb5\u3001\u884c\u4e3a\u653e\u65b9\u6cd5\u3002<\/strong><\/p>\n<\/blockquote>\n<\/section>\n","protected":false},"excerpt":{"rendered":"
Java \u662f\u9762\u5411\u5bf9\u8c61\u8bed\u8a00\uff0c\u56f4\u7ed5\u7c7b\u548c\u5bf9\u8c61\u7ec4\u7ec7\u4ee3\u7801\u3002\u5e38\u89c1\u6982\u5ff5\u8fd8\u6709\u5b9e\u4f8b\u3001\u65b9\u6cd5\u3001\u5c5e\u6027\u3001\u6d88\u606f\u3001\u5c01\u88c5\u3001\u7ee7\u627f\u3001\u591a\u6001\u3001\u62bd\u8c61\u3002\u672c […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[16],"tags":[43],"_links":{"self":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/71"}],"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=71"}],"version-history":[{"count":3,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/71\/revisions"}],"predecessor-version":[{"id":370,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/71\/revisions\/370"}],"wp:attachment":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=71"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=71"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=71"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}