{"id":579,"date":"2021-02-05T15:34:53","date_gmt":"2021-02-05T07:34:53","guid":{"rendered":"https:\/\/www.52dixiaowo.com\/java\/?p=579"},"modified":"2021-02-05T15:36:14","modified_gmt":"2021-02-05T07:36:14","slug":"collections-%e9%9b%86%e5%90%88%e5%b7%a5%e5%85%b7%e7%b1%bb","status":"publish","type":"post","link":"https:\/\/www.52dixiaowo.com\/java\/post-579.html","title":{"rendered":"Collections &#8212; \u96c6\u5408\u5de5\u5177\u7c7b"},"content":{"rendered":"\n<p>Collections \u63d0\u4f9b\u4e86\u5f88\u591a\u64cd\u4f5cCollection\u7684\u9759\u6001\u65b9\u6cd5<\/p>\n\n\n\n<h5>1.\u5bfc\u5305<\/h5>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.util.Collections;<\/code><\/pre>\n\n\n\n<h5>2.\u6784\u9020\u65b9\u6cd5<\/h5>\n\n\n\n<p>\u65e0\u9700\u6784\u9020\uff0c\u76f4\u63a5\u83b7\u5f97 Collections \u5bf9\u8c61<\/p>\n\n\n\n<h5>3.\u65b9\u6cd5<\/h5>\n\n\n\n<p>1.\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ArrayList&lt;String&gt; list = new ArrayList&lt;&gt;();\nCollections.addAll(list,\"a\",\"c\",\"b\");\nSystem.out.println(list);<\/code><\/pre>\n\n\n\n<p>2.\u5143\u7d20\u6392\u5e8f<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/\u6392\u5e8f\u65b9\u5f0f1 ,\u81ea\u5b9a\u4e49\u5bf9\u8c61\u9700\u8981\u5b9e\u73b0 Comparable \u63a5\u53e3\nCollections.sort(list);\/\/\uff08\uff09\nSystem.out.println(list);\n\/\/\u6392\u5e8f\u65b9\u5f0f2 \uff0c\u4f7f\u7528 Comparator \u5bf9\u8c61\nArrayList&lt;Integer> list2 = new ArrayList&lt;>();\nCollections.sort(list2, new Comparator&lt;Integer>() {\n\t@Override\n\tpublic int compare(Integer o1, Integer o2) {\n\t\t\/\/ TODO Auto-generated method stub\n\t\treturn o1-o2;\n\t}\n});<\/code><\/pre>\n\n\n\n<p>3.\u6253\u4e71\u5143\u7d20<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Collections.shuffle(list);\nSystem.out.println(list);<\/code><\/pre>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Collections \u63d0\u4f9b\u4e86\u5f88\u591a\u64cd\u4f5cCollection\u7684\u9759\u6001\u65b9\u6cd5 1.\u5bfc\u5305 2.\u6784\u9020\u65b9\u6cd5 \u65e0\u9700\u6784\u9020\uff0c\u76f4\u63a5\u83b7&hellip; <a href=\"https:\/\/www.52dixiaowo.com\/java\/post-579.html\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">Collections &#8212; \u96c6\u5408\u5de5\u5177\u7c7b<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[14],"tags":[],"_links":{"self":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts\/579"}],"collection":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/comments?post=579"}],"version-history":[{"count":0,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts\/579\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/media?parent=579"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/categories?post=579"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/tags?post=579"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}