{"id":243,"date":"2017-09-19T15:57:27","date_gmt":"2017-09-19T07:57:27","guid":{"rendered":"http:\/\/www.lixiaodong.com\/?p=243"},"modified":"2025-03-06T11:04:57","modified_gmt":"2025-03-06T03:04:57","slug":"%e5%b0%86string%e5%af%b9%e8%b1%a1%e6%94%be%e5%85%a5integer%e5%9e%8blist%e5%bc%95%e5%87%ba%e7%9a%84java%e7%b1%bb%e5%9e%8b%e6%93%a6%e5%87%ba%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/www.lixiaodong.com\/?p=243","title":{"rendered":"\u5c06String\u5bf9\u8c61\u653e\u5165Integer\u578blist\u5f15\u51fa\u7684java\u7c7b\u578b\u64e6\u51fa\u95ee\u9898"},"content":{"rendered":"<p>\u5728java\u91cc\u4f7f\u7528\u6cdb\u578b\u58f0\u660e1\u4e2aInteger\u7c7b\u578b\u7684list\uff0c\u4e00\u822c\u60c5\u51b5\u4e0b\u53ea\u80fd\u4fdd\u5b58integer\u7c7b\u578b\u7684\u5bf9\u8c61\u3002\u5982\u679c\u653e\u5165\u5176\u5b83\u7c7b\u578b\u7684\u5bf9\u8c61\u5219\u4f1a\u62a5\u9519\u3002<br \/>\n\u5176\u5b9e\uff0cjava\u7684\u6cdb\u578b\u53ea\u662f\u4f2a\u6cdb\u578b\uff0c\u5373\u5728\u7f16\u8bd1\u524d\u4f1a\u505a\u68c0\u67e5\uff0c\u7f16\u8bd1\u540e\u7684\u5b57\u8282\u7801\u91cc\u4e0d\u4f1a\u4fdd\u7559\u6cdb\u578b\u4fe1\u606f\u3002<\/p>\n<pre class=\"brush: java; title: ; notranslate\" title=\"\">\r\nprivate static void foo() {\r\n\tList&lt;String&gt; list1 = new ArrayList&lt;&gt;();\r\n\tList&lt;Integer&gt; list2 = new ArrayList&lt;&gt;();\r\n\tSystem.out.println(list1.getClass());\r\n\tSystem.out.println(list1.getClass()==list2.getClass());\r\n}\r\n<\/pre>\n<p>\u4ece\u4e0a\u9762\u7684\u4ee3\u7801\u770b\u5230\uff0c2\u4e2a\u4e0d\u540c\u7c7b\u578b\u7684list\u7684class\u90fd\u662fjava.util.ArrayList\uff0c\u4e0d\u5305\u542b\u6cdb\u578b\u4fe1\u606f\u3002<br \/>\n\u7531\u6b64\u60f3\u5230\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u53cd\u5c04\u5c06\u4e00\u4e2a\u4e0d\u540c\u7c7b\u578b\u7684\u5bf9\u8c61\u653e\u5165\u6cdb\u578b\u96c6\u5408\u91cc\u3002<\/p>\n<pre class=\"brush: java; title: ; notranslate\" title=\"\">\r\nprivate static void addStringToIntList() {\r\n\tList&lt;Integer&gt; list = new ArrayList&lt;&gt;();\r\n\tlist.add(1);\r\n\tlist.add(2);\r\n\tSystem.out.println(list);\r\n\tString value = &quot;abc&quot;;\r\n\ttry {\r\n\t\tlist.getClass().getMethod(&quot;add&quot;, new Class&#x5B;]{Object.class}).invoke(list, value);\r\n\t}\r\n\tcatch(Exception e) {\r\n\t\te.printStackTrace();\r\n\t}\r\n\tSystem.out.println(list);\r\n}\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5728java\u91cc\u4f7f\u7528\u6cdb\u578b\u58f0\u660e1\u4e2aInteger\u7c7b\u578b\u7684list\uff0c\u4e00\u822c\u60c5\u51b5\u4e0b\u53ea\u80fd\u4fdd\u5b58in &hellip; <a href=\"https:\/\/www.lixiaodong.com\/?p=243\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-243","post","type-post","status-publish","format-standard","hentry","category-java"],"_links":{"self":[{"href":"https:\/\/www.lixiaodong.com\/index.php?rest_route=\/wp\/v2\/posts\/243","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lixiaodong.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lixiaodong.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lixiaodong.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lixiaodong.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=243"}],"version-history":[{"count":2,"href":"https:\/\/www.lixiaodong.com\/index.php?rest_route=\/wp\/v2\/posts\/243\/revisions"}],"predecessor-version":[{"id":245,"href":"https:\/\/www.lixiaodong.com\/index.php?rest_route=\/wp\/v2\/posts\/243\/revisions\/245"}],"wp:attachment":[{"href":"https:\/\/www.lixiaodong.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=243"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lixiaodong.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=243"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lixiaodong.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}