{"id":31755,"date":"2024-01-16T04:08:26","date_gmt":"2024-02-20T08:50:50","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/java-list-%e7%9a%84%e6%af%94%e8%be%83\/"},"modified":"2024-05-04T18:36:01","modified_gmt":"2024-05-04T10:36:01","slug":"java-list-%e7%9a%84%e6%af%94%e8%be%83","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java-list-%e7%9a%84%e6%af%94%e8%be%83\/","title":{"rendered":"Java List \u7684\u6bd4\u8f83"},"content":{"rendered":"<p>\u770b\u4e86Java Doc\u5c31\u80fd\u660e\u767d\u5b83\u7684\u884c\u4e3a\uff0c\u4f46\u8fd8\u662f\u770b\u5230\u5b9e\u9645\u7684\u8868\u73b0\u66f4\u5bb9\u6613\u8ba9\u4eba\u5feb\u901f\u56de\u60f3\u8d77\u6765\uff0c\u6240\u4ee5\u867d\u7136\u5f88\u7b80\u964b\uff0c\u4f46\u8fd8\u662f\u505a\u4e86\u5907\u5fd8\u5f55\u3002<\/p>\n<pre class=\"post-pre\"><code>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.apache.commons.collections.ListUtils<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">Main<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"nc\">List<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">sourceList<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Arrays<\/span><span class=\"o\">.<\/span><span class=\"na\">asList<\/span><span class=\"o\">(<\/span>\r\n            <span class=\"k\">new<\/span> <span class=\"nc\">String<\/span><span class=\"o\">[]{<\/span><span class=\"s\">\"a\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"b\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"1\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"c\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"2\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"d\"<\/span><span class=\"o\">});<\/span>\r\n        <span class=\"nc\">List<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">targetList<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Arrays<\/span><span class=\"o\">.<\/span><span class=\"na\">asList<\/span><span class=\"o\">(<\/span>\r\n            <span class=\"k\">new<\/span> <span class=\"nc\">String<\/span><span class=\"o\">[]{<\/span><span class=\"s\">\"1\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"2\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"3\"<\/span><span class=\"o\">});<\/span>\r\n\r\n        <span class=\"nc\">ListUtils<\/span><span class=\"o\">.<\/span><span class=\"na\">intersection<\/span><span class=\"o\">(<\/span><span class=\"n\">sourceList<\/span><span class=\"o\">,<\/span> <span class=\"n\">targetList<\/span><span class=\"o\">)<\/span>\r\n            <span class=\"o\">.<\/span><span class=\"na\">stream<\/span><span class=\"o\">()<\/span>\r\n            <span class=\"o\">.<\/span><span class=\"na\">forEach<\/span><span class=\"o\">(<\/span><span class=\"n\">l<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"s\">\"intersection : \"<\/span> <span class=\"o\">+<\/span> <span class=\"n\">l<\/span><span class=\"o\">));<\/span>\r\n\r\n        <span class=\"nc\">ListUtils<\/span><span class=\"o\">.<\/span><span class=\"na\">subtract<\/span><span class=\"o\">(<\/span><span class=\"n\">sourceList<\/span><span class=\"o\">,<\/span> <span class=\"n\">targetList<\/span><span class=\"o\">)<\/span>\r\n            <span class=\"o\">.<\/span><span class=\"na\">stream<\/span><span class=\"o\">()<\/span>\r\n            <span class=\"o\">.<\/span><span class=\"na\">forEach<\/span><span class=\"o\">(<\/span><span class=\"n\">l<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"s\">\"subtract : \"<\/span> <span class=\"o\">+<\/span> <span class=\"n\">l<\/span><span class=\"o\">));<\/span>\r\n\r\n        <span class=\"nc\">ListUtils<\/span><span class=\"o\">.<\/span><span class=\"na\">sum<\/span><span class=\"o\">(<\/span><span class=\"n\">sourceList<\/span><span class=\"o\">,<\/span> <span class=\"n\">targetList<\/span><span class=\"o\">)<\/span>\r\n            <span class=\"o\">.<\/span><span class=\"na\">stream<\/span><span class=\"o\">()<\/span>\r\n            <span class=\"o\">.<\/span><span class=\"na\">forEach<\/span><span class=\"o\">(<\/span><span class=\"n\">l<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"s\">\"sum : \"<\/span> <span class=\"o\">+<\/span> <span class=\"n\">l<\/span><span class=\"o\">));<\/span>\r\n\r\n        <span class=\"nc\">ListUtils<\/span><span class=\"o\">.<\/span><span class=\"na\">union<\/span><span class=\"o\">(<\/span><span class=\"n\">sourceList<\/span><span class=\"o\">,<\/span> <span class=\"n\">targetList<\/span><span class=\"o\">)<\/span>\r\n            <span class=\"o\">.<\/span><span class=\"na\">stream<\/span><span class=\"o\">()<\/span>\r\n            <span class=\"o\">.<\/span><span class=\"na\">forEach<\/span><span class=\"o\">(<\/span><span class=\"n\">l<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"s\">\"union : \"<\/span> <span class=\"o\">+<\/span> <span class=\"n\">l<\/span><span class=\"o\">));<\/span>\r\n\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>List&lt;String&gt; sourceList = Arrays.asList(new String[]{\"a\", \"b\", \"1\", \"c\", \"2\", \"d\"});\r\nList&lt;String&gt; targetList = Arrays.asList(new String[]{\"1\", \"2\", \"3\"});\r\n\r\n\u5143\u30ea\u30b9\u30c8\u3068\u5bfe\u8c61\u30ea\u30b9\u30c8\u3092\u6bd4\u8f03\u3057\u3066\u5bfe\u8c61\u30ea\u30b9\u30c8\u306b\u3042\u308b\u8981\u7d20\u3092\u8fd4\u3059\r\nintersection : 1\r\nintersection : 2\r\n\r\n\u5143\u30ea\u30b9\u30c8\u304b\u3089\u5bfe\u8c61\u30ea\u30b9\u30c8\u3092\u5dee\u3057\u5f15\u3044\u305f\u8981\u7d20\u3092\u8fd4\u3059\r\nsubtract : a\r\nsubtract : b\r\nsubtract : c\r\nsubtract : d\r\n\r\n\uff12\u3064\u306e\u30ea\u30b9\u30c8\u3067\u91cd\u8907\u3059\u308b\u8981\u7d20\u3092 Distinct \u3057\u3066\u7d50\u5408\uff08\u9806\u756a\u306f\u30ea\u30b9\u30c8\u306e\u8981\u7d20\u9806\uff09\r\nsum : a\r\nsum : b\r\nsum : c\r\nsum : d\r\nsum : 1\r\nsum : 2\r\nsum : 3\r\n\r\n\uff12\u3064\u306e\u30ea\u30b9\u30c8\u306e\u9806\u756a\u3092\u7dad\u6301\u3057\u3066\u7d50\u5408\r\nunion : a\r\nunion : b\r\nunion : 1\r\nunion : c\r\nunion : 2\r\nunion : d\r\nunion : 1\r\nunion : 2\r\nunion : 3\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u770b\u4e86Java Doc\u5c31\u80fd\u660e\u767d\u5b83\u7684\u884c\u4e3a\uff0c\u4f46\u8fd8\u662f\u770b\u5230\u5b9e\u9645\u7684\u8868\u73b0\u66f4\u5bb9\u6613\u8ba9\u4eba\u5feb\u901f\u56de\u60f3\u8d77\u6765\uff0c\u6240\u4ee5\u867d\u7136\u5f88\u7b80\u964b\uff0c\u4f46\u8fd8\u662f\u505a\u4e86\u5907 [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-31755","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Java List \u7684\u6bd4\u8f83 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/java-list-\u7684\u6bd4\u8f83\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java List \u7684\u6bd4\u8f83\" \/>\n<meta property=\"og:description\" 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