{"id":618,"date":"2022-10-02T09:02:56","date_gmt":"2022-10-02T01:02:56","guid":{"rendered":"https:\/\/qaqaq.top\/?p=618"},"modified":"2022-11-27T12:39:58","modified_gmt":"2022-11-27T04:39:58","slug":"%e9%9d%a2%e5%90%91%e5%af%b9%e8%b1%a1%e4%b8%8a-%e5%b0%81%e8%a3%85%e6%80%a7%e7%9a%84%e5%bc%95%e5%85%a5%e3%80%81%e5%b0%81%e8%a3%85%e6%80%a7%e7%9a%84%e4%bd%93%e7%8e%b0%e3%80%81%e5%9b%9b%e7%a7%8d","status":"publish","type":"post","link":"https:\/\/qaqaq.top\/?p=618","title":{"rendered":"\u9762\u5411\u5bf9\u8c61(\u4e0a)-\u5c01\u88c5\u6027\u7684\u5f15\u5165\u3001\u5c01\u88c5\u6027\u7684\u4f53\u73b0\u3001\u56db\u79cd\u6743\u9650\u4fee\u9970\u7684\u7406\u89e3"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>package top.qaqaq.java.P221;\r\n\/*\r\n * \u9762\u5411\u5bf9\u8c61\u7684\u7279\u5f81\u4e00\uff1a\u5c01\u88c5\u4e0e\u9690\u85cf\r\n * \r\n * \u4e00\u3001\u95ee\u9898\u7684\u5f15\u5165\uff1a\r\n * \t\t\u5f53\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u7c7b\u7684\u5bf9\u8c61\u4ee5\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u201c\u5bf9\u8c61.\u5c5e\u6027\u201d\u7684\u65b9\u5f0f\uff0c\u5bf9\u5bf9\u8c61\u7684\u5c5e\u6027\u8fdb\u884c\u8d4b\u503c\u3002\u8fd9\u91cc\uff0c\u8d4b\u503c\u64cd\u4f5c\u8981\u53d7\u5230\r\n * \t\t\u5c5e\u6027\u7684\u6570\u636e\u7c7b\u578b\u548c\u5b58\u50a8\u8303\u56f4\u7684\u5236\u7ea6\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u6ca1\u6709\u5176\u4ed6\u5236\u7ea6\u6761\u4ef6\u3002\u4f46\u662f\uff0c\u5728\u5b9e\u9645\u95ee\u9898\u4e2d\uff0c\u6211\u4eec\u5f80\u5f80\u9700\u8981\u7ed9\u5c5e\u6027\u8d4b\u503c\r\n * \t\t\u52a0\u5165\u989d\u5916\u7684\u9650\u5236\u6761\u4ef6\u3002\u8fd9\u4e2a\u6761\u4ef6\u5c31\u4e0d\u80fd\u5728\u5c5e\u6027\u58f0\u660e\u65f6\u4f53\u73b0\u3002\u6211\u4eec\u53ea\u80fd\u901a\u8fc7\u65b9\u6cd5\u8fdb\u884c\u9650\u5236\u6761\u4ef6\u7684\u6dfb\u52a0\u3002(\u6bd4\u5982\uff1asetLegs())\r\n * \t\t\u540c\u65f6\uff0c\u6211\u4eec\u9700\u8981\u907f\u514d\u7528\u6237\u518d\u4f7f\u7528\u201c\u5bf9\u8c61.\u5c5e\u6027\u201d\u7684\u65b9\u5f0f\u5bf9\u5c5e\u6027\u8fdb\u884c\u8d4b\u503c\u3002\u5219\u9700\u8981\u5c06\u5c5e\u6027\u58f0\u660e\u4e3a\u79c1\u6709\u7684(private)\r\n * \t\t-->\u6b64\u65f6\uff0c\u9488\u5bf9\u4e8e\u5c5e\u6027\u5c31\u4f53\u73b0\u4e86\u5c01\u88c5\u6027\u3002\r\n * \r\n * \u4e8c\u3001\u5c01\u88c5\u6027\u7684\u4f53\u73b0\uff1a\r\n * \t\t\u6211\u4eec\u5c06\u7c7b\u7684\u5c5e\u6027xxx\u79c1\u6709\u5316(private),\u540c\u65f6\uff0c\u63d0\u4f9b\u516c\u5171\u7684(public)\u65b9\u6cd5\u6765\u83b7\u53d6(getXxx)\u548c\u8bbe\u7f6e(setXxx)\u6b64\u5c5e\u6027\u7684\u503c\r\n * \r\n * \t\t\t\u62d3\u5c55\uff1a\u5c01\u88c5\u6027\u7684\u4f53\u73b0\uff1a\u2460 \u5982\u4e0a \u2461 \u4e0d\u5bf9\u5916\u66b4\u9732\u7684\u79c1\u6709\u7684\u65b9\u6cd5 \u2462 \u5355\u4f8b\u6a21\u5f0f ...\r\n * \r\n * \u4e09\u3001\u5c01\u88c5\u6027\u7684\u4f53\u73b0\uff0c\u9700\u8981\u6743\u9650\u4fee\u9970\u7b26\u6765\u914d\u5408\u3002\r\n * \t1. Java\u89c4\u5b9a\u76844\u79cd\u6743\u9650\uff1a\uff08\u4ece\u5c0f\u5230\u5927\u6392\u5217\uff09\uff1aprivate\u3001\u7f3a\u7701\u3001protected\u3001public\r\n * \t2. 4\u79cd\u6743\u9650\u53ef\u4ee5\u7528\u6765\u4fee\u9970\u7c7b\u53ca\u7c7b\u7684\u5185\u90e8\u7ed3\u6784\uff1a\u5c5e\u6027\u3001\u65b9\u6cd5\u3001\u6784\u9020\u5668\u3001\u5185\u90e8\u7c7b\r\n * \t3. \u5177\u4f53\u7684\uff0c4\u79cd\u6743\u9650\u90fd\u53ef\u4ee5\u7528\u6765\u4fee\u9970\u7c7b\u7684\u5185\u90e8\u7ed3\u6784\uff1a\u5c5e\u6027\u3001\u65b9\u6cd5\u3001\u6784\u9020\u5668\u3001\u5185\u90e8\u7c7b\r\n * \t\t\t\u4fee\u9970\u7c7b\u7684\u8bdd\uff0c\u53ea\u80fd\u4f7f\u7528\uff1a\u7f3a\u7701\u3001public\r\n * \r\n * \u603b\u7ed3\u5c01\u88c5\u6027\uff1aJava\u63d0\u4f9b\u4e864\u79cd\u6743\u9650\u4fee\u9970\u7b26\u6765\u4fee\u9970\u7c7b\u53ca\u7c7b\u7684\u5185\u90e8\u7ed3\u6784\uff0c\u4f53\u73b0\u7c7b\u53ca\u7c7b\u7684\u5185\u90e8\u7ed3\u6784\u5728\u88ab\u8c03\u7528\u65f6\u7684\u53ef\u89c1\u6027\u7684\u5927\u5c0f\u3002\r\n * \r\n * \r\n *\/\r\n\r\npublic class AnimalTest {\r\n\t\r\n\tpublic static void main(String&#91;] args) {\r\n\t\t\r\n\t\tAnimal a = new Animal();\r\n\t\ta.name = \"\u5927\u9ec4\";\r\n\/\/\t\ta.age = 1;\r\n\/\/\t\ta.legs = 4;\/\/The field Animal.legs is not visible\r\n\t\t\r\n\t\ta.show();\r\n\t\t\r\n\/\/\t\ta.legs = -4;\r\n\t\ta.setLegs(-6);\r\n\t\t\r\n\/\/\t\ta.legs = -4;\/\/The field Animal.legs is not visible\r\n\t\ta.show();\r\n\t\t\r\n\t\tSystem.out.println(a.name);\r\n\t\t\r\n\t\t\r\n\t\t\r\n\t}\r\n\r\n}\r\n\r\nclass Animal{\r\n\t\r\n\tString name;\r\n\tprivate int age;\r\n\tprivate int legs;\/\/\u817f\u7684\u4e2a\u6570\r\n\t\r\n\t\/\/\u5bf9\u5c5e\u6027\u7684\u8bbe\u7f6e\r\n\tpublic void setLegs(int l) {\r\n\t\tif(l >= 0 &amp;&amp; l % 2 ==0) {\r\n\t\t\tlegs = l;\r\n\t\t}else {\r\n\t\t\tlegs = 0;\r\n\/\/\t\t\t\u629b\u51fa\u4e00\u4e2a\u5f02\u5e38\uff08\u6682\u65f6\u6ca1\u6709\u8bb2\uff09\r\n\t\t}\t\r\n\t}\r\n\t\r\n\t\/\/\u5bf9\u5c5e\u6027\u7684\u83b7\u53d6\r\n\tpublic int getLegs() {\r\n\t\treturn legs;\r\n\t}\r\n\t\r\n\tpublic void eat() {\r\n\t\tSystem.out.println(\"\u52a8\u7269\u8fdb\u98df\");\r\n\t}\r\n\t\r\n\tpublic void show() {\r\n\t\tSystem.out.println(\"name = \" + name + \",age = \" + age + \",legs = \" + legs);\r\n\t}\r\n\t\r\n\t\/\/\u63d0\u4f9b\u5173\u4e8e\u5c5e\u6027age\u7684get\u548cset\u65b9\u6cd5\r\n\tpublic int getAAge() {\r\n\t\treturn age;\r\n\t}\r\n\t\r\n\tpublic void setAge(int a) {\r\n\t\tage = a;\r\n\t}\r\n\t\r\n}\r\n\r\n\/\/private class Dog{\r\n\/\/\t\r\n\/\/}\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[46],"class_list":["post-618","post","type-post","status-publish","format-standard","hentry","category-java-code","tag-java"],"_links":{"self":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/618"}],"collection":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=618"}],"version-history":[{"count":1,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/618\/revisions"}],"predecessor-version":[{"id":619,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/618\/revisions\/619"}],"wp:attachment":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=618"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=618"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=618"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}