{"id":227,"date":"2024-01-20T14:29:18","date_gmt":"2024-01-20T06:29:18","guid":{"rendered":"https:\/\/forelink.top\/?p=227"},"modified":"2024-01-20T14:29:19","modified_gmt":"2024-01-20T06:29:19","slug":"java%ef%bc%88%e7%bb%a7%e6%89%bf%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a1%b9%ef%bc%89","status":"publish","type":"post","link":"https:\/\/forelink.top\/index.php\/2024\/01\/20\/java%ef%bc%88%e7%bb%a7%e6%89%bf%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a1%b9%ef%bc%89\/","title":{"rendered":"Java\uff08\u7ee7\u627f\u6ce8\u610f\u4e8b\u9879\uff09"},"content":{"rendered":"\n

\u6743\u9650\u4fee\u9970\u7b26
public \uff08\u5728\u4efb\u610f\u5305 \u4efb\u610f\u7c7b\u4e2d\uff09
private \u79c1\u6709\uff08\u4ec5\u53ef\u5728\u8be5\u7c7b\u4e2d\u8bbf\u95ee\uff09
protected \uff08\u4efb\u610f\u5305\u7684 extended \u5b50\u7c7b\u4e2d\uff09
\u7f3a\u7701 \uff08\u5728\u8be5\u5305\u4e2d\u5176\u4ed6\u7c7b\u91cc\uff09<\/p>\n\n\n\n

object\u7c7b\u662f\u6240\u6709\u7c7b\u7684\u7956\u5b97<\/p>\n\n\n\n

\u5b50\u7c7b\u53ef\u4ee5\u8fdb\u884c\u65b9\u6cd5\u91cd\u5199\uff08override\uff09\uff0c\u9759\u6001\uff08static\uff09\u548c\u79c1\u6709\uff08private\uff09\u65b9\u6cd5\u4e0d\u80fd\u88ab\u91cd\u5199\uff0c\u65b9\u6cd5\u540d\uff0c\u8fd4\u56de\u503c\u7c7b\u578b\u548c\u53c2\u6570\u5217\u8868\u9700\u8981\u4e00\u6837\uff0c\u6743\u9650\u4fee\u9970\u7b26\u9700\u8981\u66f4\u5927\u6216\u8005\u4e0e\u7236\u7c7b\u65b9\u6cd5\u4e00\u81f4\u3002<\/p>\n\n\n\n

Object\u7c7b\u4e2dtoString\u65b9\u6cd5\uff1a
\u529f\u80fd\uff1a\u8fd4\u56de\u5bf9\u8c61\u7684\u5730\u5740
\u76f4\u63a5\u8f93\u51fa\u5bf9\u8c61\u65f6\u4f1a\u8c03\u7528toString\u65b9\u6cd5\u8fd4\u56de\u5730\u5740\u3002
\u91cd\u5199tostring\u65b9\u6cd5\u8fd4\u56de\u5bf9\u8c61\u7684\u5185\u5bb9\u662f\u5f00\u53d1\u4e2d\u7684\u5e38\u89c1\u4e1a\u52a1\u5185\u5bb9\u3002<\/p>\n\n\n\n

\u5b50\u7c7b\u8bbf\u95ee\u5176\u4ed6\u6210\u5458\u7684\u7279\u70b9\uff1a\u5c31\u8fd1\u8bbf\u95ee\uff08\u5c40\u90e8\u65b9\u6cd5\u4e2d > \u672c\u7c7b\u4e2d > \u7236\u7c7b\u4e2d\uff09\uff0c\u53ef\u4ee5\u4f7f\u7528this\u5173\u952e\u5b57\u8bbf\u95ee\u5f53\u524d\u5bf9\u8c61\u4e0b\u7684\u6210\u5458\uff0csuper\u5173\u952e\u5b57\u53ef\u4ee5\u8bbf\u95ee\u7236\u7c7b\u5bf9\u8c61\u4e0b\u7684\u6210\u5458\u3002<\/p>\n\n\n\n

\u5b50\u7c7b\u6784\u9020\u5668\u4f1a\u5148\u8bbf\u95ee\u548c\u8c03\u7528\u7236\u7c7b\u7684\u65e0\u53c2\u6784\u9020\u5668\uff0c\u518d\u6784\u9020\u81ea\u5df1\u3002\u4efb\u4f55\u6784\u9020\u5668\u90fd\u9ed8\u8ba4\u5b58\u5728\u4e00\u4e2a\u65e0\u53c2super()\u3002
\u53ef\u4ee5\u5728\u6784\u9020\u5668\u7b2c\u4e00\u884c\u7528super(\u53c2\u6570)\u4f20\u5165\uff0c\u907f\u514d\u8c03\u7528\u65e0\u53c2super()\uff0c\u5bfc\u81f4\u5b50\u7c7b\u6784\u9020\u5668\u62a5\u9519
super()\u5e94\u7528\u573a\u666f\uff1a
\u53ef\u4ee5\u5728\u5b50\u7c7b\u7684\u6709\u53c2\u6784\u9020\u5668\u4e2d\u76f4\u63a5\u8c03\u7528\uff0c\u628a\u53c2\u6570\u4f20\u5165\u7236\u7c7b\u7684\u6784\u9020\u5668\u5e2e\u52a9\u5f53\u524d\u5bf9\u8c61\u6210\u5458\u8d4b\u503c\u3002<\/p>\n\n\n\n

\u53ef\u4ee5\u5728\u6784\u9020\u5668\u4e2d\u7528this(\u53c2\u6570)\u8c03\u7528\u5144\u5f1f\u6784\u9020\u5668,this()\u548csuper()\u90fd\u53ea\u80fd\u653e\u5728\u6784\u9020\u5668\u7b2c\u4e00\u884c\uff0c\u4e0d\u80fd\u4e00\u8d77\u4f7f\u7528\u3002<\/p>\n\n\n\n


<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6743\u9650\u4fee\u9970\u7b26public \uff08\u5728\u4efb\u610f\u5305 \u4efb\u610f\u7c7b\u4e2d\uff09private \u79c1\u6709\uff08\u4ec5\u53ef\u5728\u8be5\u7c7b\u4e2d\u8bbf\u95ee\uff09protected \uff08\u4efb […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[21,17],"tags":[],"class_list":["post-227","post","type-post","status-publish","format-standard","hentry","category-java","category-17"],"_links":{"self":[{"href":"https:\/\/forelink.top\/index.php\/wp-json\/wp\/v2\/posts\/227","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forelink.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forelink.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forelink.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/forelink.top\/index.php\/wp-json\/wp\/v2\/comments?post=227"}],"version-history":[{"count":1,"href":"https:\/\/forelink.top\/index.php\/wp-json\/wp\/v2\/posts\/227\/revisions"}],"predecessor-version":[{"id":228,"href":"https:\/\/forelink.top\/index.php\/wp-json\/wp\/v2\/posts\/227\/revisions\/228"}],"wp:attachment":[{"href":"https:\/\/forelink.top\/index.php\/wp-json\/wp\/v2\/media?parent=227"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forelink.top\/index.php\/wp-json\/wp\/v2\/categories?post=227"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forelink.top\/index.php\/wp-json\/wp\/v2\/tags?post=227"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}