{"id":38455,"date":"2024-11-26T14:37:57","date_gmt":"2024-11-26T06:37:57","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38455\/"},"modified":"2024-11-26T14:37:57","modified_gmt":"2024-11-26T06:37:57","slug":"java%e6%80%8e%e4%b9%88%e5%ae%9a%e4%b9%89%e4%b8%80%e4%b8%aa%e7%b1%bb%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38455\/","title":{"rendered":"java\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2a\u7c7b\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u5982\u4f55\u5728 java \u4e2d\u5b9a\u4e49\u7c7b\u6570\u7ec4\uff1f\u5b9a\u4e49\uff1a\u7c7b\u6570\u7ec4\u7528\u4e8e\u5b58\u50a8\u5bf9\u8c61\u7684\u5f15\u7528\uff0c\u5143\u7d20\u53ef\u4ee5\u4e3a null\u3002\u8bed\u6cd5\uff1aclassname[] arrayname;\u793a\u4f8b\uff1aperson[] people;\u521d\u59cb\u5316\uff1apeople = new person[5];\u8bbf\u95ee\u5143\u7d20\uff1apeople[0] = new person(&#8220;john&#8221;, 30);\u6ce8\u610f\u4e8b\u9879\uff1a\u5143\u7d20\u53ef\u4e3a\u4efb\u4f55\u7c7b\u5bf9\u8c61\uff0c\u957f\u5ea6\u4e0d\u53ef\u53d8\uff0c\u53ef\u5b58\u50a8 null \u503c\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/15\/2024111502031631973.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2a\u7c7b\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2a\u7c7b\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u5b9a\u4e49\u7c7b\u6570\u7ec4<\/strong><\/p>\n<p><strong>\u5b9a\u4e49\uff1a<\/strong><\/p>\n<p>\u7c7b\u6570\u7ec4\u662f Java \u4e2d\u4e00\u79cd\u7279\u6b8a\u7c7b\u578b\u7684\u6570\u7ec4\uff0c\u7528\u4e8e\u5b58\u50a8\u5bf9\u8c61\u7684\u5f15\u7528\u3002\u4e0e\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\u4e0d\u540c\uff0c\u7c7b\u6570\u7ec4\u7684\u5143\u7d20\u53ef\u4ee5\u662f null\u3002<\/p>\n<p><strong>\u8bed\u6cd5\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>ClassName[] arrayName;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>ClassName \u662f\u8981\u5b58\u50a8\u5bf9\u8c61\u7684\u7c7b\u7684\u540d\u79f0\u3002<\/li>\n<li>arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p>\u4ee5\u4e0b\u793a\u4f8b\u5b9a\u4e49\u4e86\u4e00\u4e2a\u53ef\u4ee5\u5b58\u50a8 Person \u5bf9\u8c61\u7684\u7c7b\u6570\u7ec4\uff1a<\/p>\n<pre>Person[] people;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u521d\u59cb\u5316\uff1a<\/strong><\/p>\n<p>\u53ef\u4ee5\u50cf\u6570\u7ec4\u4e00\u6837\u521d\u59cb\u5316\u7c7b\u6570\u7ec4\uff1a<\/p>\n<pre>Person[] people = new Person[5];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8bbf\u95ee\u5143\u7d20\uff1a<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528\u4e0e\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\u76f8\u540c\u7684\u65b9\u5f0f\u8bbf\u95ee\u7c7b\u6570\u7ec4\u7684\u5143\u7d20\uff1a<\/p>\n<pre>people[0] = new Person(\"John\", 30);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n<ul>\n<li>\u7c7b\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u53ef\u4ee5\u662f\u4efb\u4f55\u7c7b\u7684\u5bf9\u8c61\uff0c\u4f46\u901a\u5e38\u4e0e\u6240\u58f0\u660e\u7684\u7c7b\u578b\u517c\u5bb9\u3002<\/li>\n<li>\u7c7b\u6570\u7ec4\u7684\u957f\u5ea6\u4e0d\u80fd\u6539\u53d8\u3002<\/li>\n<li>\u7c7b\u6570\u7ec4\u53ef\u4ee5\u5b58\u50a8 null \u503c\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2a\u7c7b\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u5728 java \u4e2d\u5b9a\u4e49\u7c7b\u6570\u7ec4\uff1f\u5b9a\u4e49\uff1a\u7c7b\u6570\u7ec4\u7528\u4e8e\u5b58\u50a8\u5bf9\u8c61\u7684\u5f15\u7528\uff0c\u5143\u7d20\u53ef\u4ee5\u4e3a null\u3002\u8bed\u6cd5\uff1aclassname[] arrayname;\u793a\u4f8b\uff1aperson[] people;\u521d\u59cb\u5316\uff1apeople = new person[5];\u8bbf\u95ee\u5143\u7d20\uff1apeople[0] = new person(&#8220;john&#8221;, 30);\u6ce8\u610f\u4e8b\u9879\uff1a\u5143\u7d20\u53ef\u4e3a\u4efb\u4f55\u7c7b\u5bf9\u8c61\uff0c\u957f\u5ea6\u4e0d\u53ef\u53d8\uff0c\u53ef\u5b58\u50a8 null \u503c\u3002 \u5982\u4f55\u5728 Java \u4e2d\u5b9a\u4e49\u7c7b\u6570\u7ec4 \u5b9a\u4e49\uff1a \u7c7b\u6570\u7ec4\u662f Java \u4e2d\u4e00\u79cd\u7279\u6b8a\u7c7b\u578b\u7684\u6570\u7ec4\uff0c\u7528\u4e8e\u5b58\u50a8\u5bf9\u8c61\u7684\u5f15\u7528\u3002\u4e0e\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\u4e0d\u540c\uff0c\u7c7b\u6570\u7ec4\u7684\u5143\u7d20\u53ef\u4ee5\u662f null\u3002 \u8bed\u6cd5\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b ClassName[] arrayName; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a ClassName \u662f\u8981\u5b58\u50a8\u5bf9\u8c61\u7684\u7c7b\u7684\u540d\u79f0\u3002 arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002 \u793a\u4f8b\uff1a \u4ee5\u4e0b\u793a\u4f8b\u5b9a\u4e49\u4e86\u4e00\u4e2a\u53ef\u4ee5\u5b58\u50a8 Person \u5bf9\u8c61\u7684\u7c7b\u6570\u7ec4\uff1a Person[] people; \u767b\u5f55\u540e\u590d\u5236 \u521d\u59cb\u5316\uff1a \u53ef\u4ee5\u50cf\u6570\u7ec4\u4e00\u6837\u521d\u59cb\u5316\u7c7b\u6570\u7ec4\uff1a Person[] people = new Person[5]; \u767b\u5f55\u540e\u590d\u5236 \u8bbf\u95ee\u5143\u7d20\uff1a \u53ef\u4ee5\u4f7f\u7528\u4e0e\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\u76f8\u540c\u7684\u65b9\u5f0f\u8bbf\u95ee\u7c7b\u6570\u7ec4\u7684\u5143\u7d20\uff1a people[0] = new Person(&#8220;John&#8221;, 30); [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-38455","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38455","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=38455"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38455\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38455"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38455"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38455"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}