{"id":565,"date":"2021-02-04T11:58:04","date_gmt":"2021-02-04T03:58:04","guid":{"rendered":"https:\/\/www.52dixiaowo.com\/java\/?p=565"},"modified":"2021-02-04T11:58:05","modified_gmt":"2021-02-04T03:58:05","slug":"set-%e6%8e%a5%e5%8f%a3","status":"publish","type":"post","link":"https:\/\/www.52dixiaowo.com\/java\/post-565.html","title":{"rendered":"Set \u63a5\u53e3"},"content":{"rendered":"\n<p>Set \u63a5\u53e3\u662f Collection \u7684\u53e6\u4e00\u4e2a\u91cd\u8981\u7684\u5b50\u63a5\u53e3<\/p>\n\n\n\n<p>Set \u63a5\u53e3\u6709\u5982\u4e0b 3 \u4e2a\u7279\u70b9<\/p>\n\n\n\n<ul><li>\u65e0\u5e8f\u7684\u96c6\u5408<\/li><li>\u6ca1\u6709\u7d22\u5f15<\/li><li>\u4e0d\u5141\u8bb8\u5b58\u50a8\u91cd\u590d\u5143\u7d20<\/li><\/ul>\n\n\n\n<p>\u5b83\u7684\u5e95\u5c42\u662f\u54c8\u5e0c\u8868\uff08\u7531\u6570\u7ec4\u548c\u4e8c\u53c9\u6811\u5b9e\u73b0\uff09\uff0c\u6545\u65e0\u5e8f\uff0c\u4e14\u4e0d\u5141\u8bb8\u91cd\u590d<\/p>\n\n\n\n<h5>1.\u5bfc\u5305<\/h5>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.util.Set;<\/code><\/pre>\n\n\n\n<h5>2.\u6784\u9020\u65b9\u6cd5<\/h5>\n\n\n\n<p>\u63a5\u53e3\u7c7b\u9700\u4f7f\u7528\u591a\u6001\u521b\u5efa\u5bf9\u8c61<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Set&lt;String> set = new HashSet&lt;>();<\/code><\/pre>\n\n\n\n<h5>3.\u65b9\u6cd5<\/h5>\n\n\n\n<p>set \u63a5\u53e3\u65b9\u6cd5 \u4e0e \u7236\u7c7b\u63a5\u53e3Collection \u57fa\u672c\u4e00\u81f4<\/p>\n\n\n\n<p>1.\u589e\u52a0\u5143\u7d20<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>set.add(\"abc\");\nset.add(\"abc\"); \/\/\u91cd\u590d\u5b58\u50a8\u5931\u8d25\uff0c\u81ea\u5b9a\u4e49\u7c7b\u578b\u5fc5\u987b\u91cd\u5199 toString \u548c hashCode\nset.add(\"def\");\nSystem.out.println(set);<\/code><\/pre>\n\n\n\n<p>2.\u5220\u9664\u5143\u7d20<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>set.remove(\"abc\");\nSystem.out.println(set);<\/code><\/pre>\n\n\n\n<p>&#8230;&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Set \u63a5\u53e3\u662f Collection \u7684\u53e6\u4e00\u4e2a\u91cd\u8981\u7684\u5b50\u63a5\u53e3 Set \u63a5\u53e3\u6709\u5982\u4e0b 3 \u4e2a\u7279\u70b9 \u65e0\u5e8f\u7684\u96c6\u5408 \u6ca1\u6709\u7d22&hellip; <a href=\"https:\/\/www.52dixiaowo.com\/java\/post-565.html\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">Set \u63a5\u53e3<\/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\/565"}],"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=565"}],"version-history":[{"count":0,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts\/565\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/media?parent=565"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/categories?post=565"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/tags?post=565"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}