{"id":601,"date":"2022-09-29T22:17:09","date_gmt":"2022-09-29T14:17:09","guid":{"rendered":"https:\/\/qaqaq.top\/?p=601"},"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%8f%82%e6%95%b0%e4%bc%a0%e9%80%92%e7%9a%84%e7%bc%96%e7%a0%81%e7%bb%83%e4%b9%a0","status":"publish","type":"post","link":"https:\/\/qaqaq.top\/?p=601","title":{"rendered":"\u9762\u5411\u5bf9\u8c61(\u4e0a)-\u53c2\u6570\u4f20\u9012\u7684\u7f16\u7801\u7ec3\u4e60"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>package top.qaqaq.java.P215;\r\n\/*\r\n * \uff081\uff09\u5b9a\u4e49\u4e00\u4e2aCircle\u7c7b\uff0c\u5305\u542b\u4e00\u4e2adouble\u578b\u7684radius\u5c5e\u6027\u4ee3\u8868\u5706\u7684\u534a\u5f84\uff0c\r\n * \t\u4e00\u4e2afindArea()\u65b9\u6cd5\u8fd4\u56de\u5706\u7684\u9762\u79ef\u3002\r\n * \r\n * \r\n * \r\n *\/\r\npublic class Circle {\r\n\r\n\tdouble radius;\/\/\u534a\u5f84\r\n\t\r\n\t\/\/\u6c42\u5706\u7684\u9762\u79ef\r\n\tpublic double findArea(){\r\n\t\treturn Math.PI * radius * radius;\r\n\t}\r\n}\r\n\r\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>package top.qaqaq.java.P215;\r\n\/*\r\n * \u8003\u5bdf\u53c2\u6570\u7684\u503c\u4f20\u9012\r\n * \r\n * \uff082\uff09\u5b9a\u4e49\u4e00\u4e2a\u7c7bPassObject\uff0c\u5728\u7c7b\u4e2d\u5b9a\u4e49\u4e00\u4e2a\u65b9\u6cd5printAreas()\uff0c\r\n * \u8be5\u65b9\u6cd5\u7684\u5b9a\u4e49\u5982\u4e0b\uff1apublic void printAreas(Circle c, int time)\r\n * \u5728printAreas\u65b9\u6cd5\u4e2d\u6253\u5370\u8f93\u51fa1\u5230time\u4e4b\u95f4\u7684\u6bcf\u4e2a\u6574\u6570\u534a\u5f84\u503c\uff0c\u4ee5\u53ca\u5bf9\u5e94\u7684\u9762\u79ef\u3002\r\n * \u4f8b\u5982\uff0ctime\u4e3a5\uff0c\u5219\u8f93\u51fa\u534a\u5f841\uff0c2\uff0c3\uff0c4\uff0c5\uff0c\u4ee5\u53ca\u5bf9\u5e94\u7684\u5706\u9762\u79ef\u3002\r\n * \r\n * \r\n * \uff083\uff09\u5728main\u65b9\u6cd5\u4e2d\u8c03\u7528printAreas()\u65b9\u6cd5\uff0c\u8c03\u7528\u5b8c\u6bd5\u540e\u8f93\u51fa\u5f53\u524d\u534a\u5f84\u503c\u3002\u7a0b\u5e8f\u8fd0\u884c\u7ed3\u679c\u5982\u56fe\u6240\u793a\u3002\r\n * \r\n * \r\n *\/\r\npublic class PassObject {\r\n\t\r\n\tpublic static void main(String&#91;] args) {\r\n\t\tPassObject test = new PassObject();\r\n\t\t\r\n\t\tCircle c = new Circle();\r\n\t\t\r\n\t\ttest.printAreas(c, 5);\r\n\t\t\r\n\t\tSystem.out.println(\"now radius is \" + c.radius);\r\n\t\t\r\n\t}\r\n\t\r\n\tpublic void printAreas(Circle c, int time) {\r\n\t\t\r\n\t\tSystem.out.println(\"Radius\\t\\tArea\");\r\n\t\t\r\n\t\t\/\/\u8bbe\u7f6e\u5706\u7684\u534a\u5f84\r\n\t\tint i = 1;\r\n\t\tfor(; i &lt;= time; i++) {\r\n\t\t\tc.radius = i;\r\n\t\t\tdouble area = c.findArea();\r\n\t\t\tSystem.out.println(c.radius + \"\\t\\t\" + area);\r\n\t\t}\r\n\t\t\r\n\t\t\/\/\r\n\/\/\t\tc.radius = time + 1;\r\n\t\tc.radius = i;\r\n\t}\r\n\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-601","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\/601"}],"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=601"}],"version-history":[{"count":1,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/601\/revisions"}],"predecessor-version":[{"id":602,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/601\/revisions\/602"}],"wp:attachment":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=601"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=601"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=601"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}