{"id":31764,"date":"2022-09-06T00:31:43","date_gmt":"2023-11-20T01:32:37","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84%e5%b7%ae%e5%bc%82%e5%88%97%e8%a1%a8-java-de-chayi-liebiao\/"},"modified":"2024-01-15T06:53:35","modified_gmt":"2024-01-14T22:53:35","slug":"java%e7%9a%84%e5%b7%ae%e5%bc%82%e5%88%97%e8%a1%a8-java-de-chayi-liebiao","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84%e5%b7%ae%e5%bc%82%e5%88%97%e8%a1%a8-java-de-chayi-liebiao\/","title":{"rendered":"Java\u7684\u5dee\u5f02\u5217\u8868 (Java de ch\u0101y\u00ec li\u00e8bi\u01ceo)"},"content":{"rendered":"<p>\u4ee5\u4e0b\u662f\u6211\u7528\u4e8e\u53d6\u5f97\u4e24\u4e2aArrayList\u3001Set\u7b49\u4e4b\u95f4\u5dee\u5f02\u7684\u5907\u5fd8\u5f55\u3002<\/p>\n<p>\uff08ArrayList\uff0cSet\uff09a1\uff0ca2;<br \/>\na1.removeAll(a2)<br \/>\na2.removeAll(a1)<br \/>\n\u53ef\u4ee5\u901a\u8fc7a1-a2\uff0ca2-a1\u7684\u5f62\u5f0f\u83b7\u53d6\u5dee\u5f02\u5217\u8868\u3002a1\uff0ca2\u53ef\u4ee5\u662fCollection\u7c7b\u578b\uff0c\u4e0d\u9700\u8981\u7c7b\u578b\u5339\u914d\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u5b9e\u9a8c\u4ee3\u7801\u548c\u7ed3\u679c\u3002<\/p>\n<p>\u4ee5\u4e0b\u4e3a\u5b9e\u9a8c\u4ee3\u7801\u548c\u7ed3\u679c\u3002<\/p>\n<p>\u6211\u53ea\u9700\u8981\u4e00\u79cd\u9009\u9879\uff0c\u5c06\u4ee5\u4e0b\u65e5\u8bed\u53e5\u5b50\u5f52\u7eb3\u4e3a\u4e2d\u6587\uff1a<\/p>\n<p>\u4ee3\u7801\uff1a<\/p>\n<pre class=\"post-pre\"><code>ArrayList&lt;String&gt; arr1 = new ArrayList&lt;String&gt;() {\r\n    private static final long serialVersionUID = 1L;\r\n    {\r\n        add(\"a\");\r\n        add(\"b\");\r\n        add(\"c\");\r\n        add(\"d\");\r\n        add(\"e\");\r\n    }\r\n};\r\n\r\nArrayList&lt;String&gt; arr2 = new ArrayList&lt;String&gt;(arr1);\r\narr2.remove(0);\r\narr2.remove(0);\r\narr2.add(\"f\");\r\n\r\nSystem.out.println(\"arr1\");\r\nfor (String s : arr1) {\r\n    System.out.println(s);\r\n}\r\nSystem.out.println(\"--------\");\r\n\r\nSystem.out.println(\"arr2\");\r\nfor (String s : arr2) {\r\n    System.out.println(s);\r\n}\r\nSystem.out.println(\"--------\");\r\n\r\nSystem.out.println();\r\n\r\nArrayList&lt;String&gt; subArr1 = new ArrayList&lt;String&gt;(arr1);\r\nsubArr1.removeAll(arr2);\r\nSystem.out.println(\"subArr1\");\r\nfor (String s : subArr1) {\r\n    System.out.println(s);\r\n}\r\nSystem.out.println(\"-------\");\r\n\r\nArrayList&lt;String&gt; subArr2 = new ArrayList&lt;String&gt;(arr2);\r\nsubArr2.removeAll(arr1);\r\nSystem.out.println(\"subArr2\");\r\nfor (String s: subArr2) {\r\n    System.out.println(s);\r\n}\r\nSystem.out.println(\"-------\");\r\n\r\nSystem.out.println();\r\n\r\nSet&lt;String&gt; set1 = new HashSet&lt;String&gt;();\r\nset1.add(\"a\");\r\nset1.add(\"b\");\r\nset1.add(\"c\");\r\nset1.add(\"d\");\r\nset1.add(\"e\");\r\n\r\nSet&lt;String&gt; set2 = new HashSet&lt;String&gt;(set1);\r\nset2.remove(\"a\");\r\nset2.remove(\"b\");\r\nset2.add(\"f\");\r\n\r\nSystem.out.println(\"set1\");\r\nfor (String s : set1) {\r\n    System.out.println(s);\r\n}\r\nSystem.out.println(\"--------\");\r\n\r\nSystem.out.println(\"set2\");\r\nfor (String s : set2) {\r\n    System.out.println(s);\r\n}\r\nSystem.out.println(\"-------\");\r\n\r\nSystem.out.println();\r\n\r\nSet&lt;String&gt; subSet1 = new HashSet&lt;String&gt;(set1);\r\nsubSet1.removeAll(set2);\r\nSystem.out.println(\"subSet1\");\r\nfor (String s : subSet1) {\r\n    System.out.println(s);\r\n}\r\nSystem.out.println(\"-------\");\r\n\r\nSet&lt;String&gt; subSet2 = new HashSet&lt;String&gt;(set2);\r\nSystem.out.println(\"subSet2\");\r\nsubSet2.removeAll(set1);\r\nfor (String s: subSet2) {\r\n    System.out.println(s);\r\n}\r\nSystem.out.println(\"-------\");\r\n\r\nSystem.out.println();\r\n\r\nArrayList&lt;String&gt; subArrWithSet = new ArrayList&lt;String&gt;(set1);\r\nsubArrWithSet.removeAll(arr2);\r\nSystem.out.println(\"subArrWithSet\");\r\nfor (String s : subArrWithSet) {\r\n    System.out.println(s);\r\n}\r\nSystem.out.println(\"-------\");\r\n<\/code><\/pre>\n<p>\u7ed3\u679c\uff1a<\/p>\n<pre class=\"post-pre\"><code>arr1\r\na\r\nb\r\nc\r\nd\r\ne\r\n--------\r\narr2\r\nc\r\nd\r\ne\r\nf\r\n--------\r\n\r\nsubArr1\r\na\r\nb\r\n-------\r\nsubArr2\r\nf\r\n-------\r\n\r\nset1\r\na\r\nb\r\nc\r\nd\r\ne\r\n--------\r\nset2\r\nc\r\nd\r\ne\r\nf\r\n-------\r\n\r\nsubSet1\r\na\r\nb\r\n-------\r\nsubSet2\r\nf\r\n-------\r\n\r\nsubArrWithSet\r\na\r\nb\r\n-------\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u4ee5\u4e0b\u662f\u6211\u7528\u4e8e\u53d6\u5f97\u4e24\u4e2aArrayList\u3001Set\u7b49\u4e4b\u95f4\u5dee\u5f02\u7684\u5907\u5fd8\u5f55\u3002 \uff08ArrayList\uff0cSet\uff09a1\uff0ca2; [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-31764","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\u7684\u5dee\u5f02\u5217\u8868 (Java de ch\u0101y\u00ec li\u00e8bi\u01ceo) - 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\u7684\u5dee\u5f02\u5217\u8868-java-de-chayi-liebiao\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java\u7684\u5dee\u5f02\u5217\u8868 (Java de ch\u0101y\u00ec li\u00e8bi\u01ceo)\" \/>\n<meta property=\"og:description\" content=\"\u4ee5\u4e0b\u662f\u6211\u7528\u4e8e\u53d6\u5f97\u4e24\u4e2aArrayList\u3001Set\u7b49\u4e4b\u95f4\u5dee\u5f02\u7684\u5907\u5fd8\u5f55\u3002 \uff08ArrayList\uff0cSet\uff09a1\uff0ca2; 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