{"id":611,"date":"2022-07-08T10:43:41","date_gmt":"2022-07-08T02:43:41","guid":{"rendered":"https:\/\/blog.lijiajia.top\/?p=611"},"modified":"2026-06-19T21:53:16","modified_gmt":"2026-06-19T13:53:16","slug":"lambda%e5%af%b9list%e7%9a%84%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/blog.ttwow.top\/?p=611","title":{"rendered":"Lambda\u5bf9List\u7684\u64cd\u4f5c"},"content":{"rendered":"<h2>Lambda\u5220\u9664List\u4e2d\u6570\u636e<\/h2>\n<pre><code class=\"language-java\">List.removeIf(e -&gt; e.getName().equals(&quot;\u5f20\u4e09&quot;));<\/code><\/pre>\n<h2>Lambda\u5206\u7ec4\u6392\u5e8f<\/h2>\n<p>reversed\u5012\u5e8f<\/p>\n<pre><code class=\"language-java\">  Map&lt;String, List&lt;User&gt; collectMap = logList.stream()\n                .sorted(Comparator.comparing(User::getCreateTime).reversed())\n                .collect(Collectors.groupingBy(User::getUserName));<\/code><\/pre>\n<h2>Lambda\u53d6\u6bcf\u4e2akey\u7684\u7b2c\u4e00\u6761\u6570\u636e<\/h2>\n<pre><code class=\"language-java\">List&lt;AfinApprovalLog&gt; tempList = new ArrayList&lt;&gt;();\n        collectMap.forEach((key ,value) -&gt; {\n            tempList.add(value.get(0));\n        });<\/code><\/pre>\n<h2>Lambda\u53d6\u4ea4\u96c6<\/h2>\n<pre><code class=\"language-java\"> \/\/\u53d6\u4ea4\u96c6\n        List&lt;User&gt; innerList = tempList.stream()\n                .filter(m -&gt; userList.stream().map(d -&gt; d.getUserName()).collect(Collectors.toList())\n                        .contains(m.getUserName())).collect(Collectors.toList());<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Lambda\u5220\u9664List\u4e2d\u6570\u636e List.removeIf(e -&gt; e.getName().equal [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[135],"tags":[50],"class_list":["post-611","post","type-post","status-publish","format-standard","hentry","category-code-snippets","tag-lambda"],"_links":{"self":[{"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/posts\/611","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=611"}],"version-history":[{"count":1,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/posts\/611\/revisions"}],"predecessor-version":[{"id":2186,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/posts\/611\/revisions\/2186"}],"wp:attachment":[{"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=611"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=611"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=611"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}