{"id":269,"date":"2023-11-19T21:31:48","date_gmt":"2023-02-19T01:55:28","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/java-array-of-arraylist-java%e7%9a%84arraylist%e6%95%b0%e7%bb%84arraylist-of-array-%e6%95%b0%e7%bb%84%e7%9a%84arraylist\/"},"modified":"2025-08-01T03:08:40","modified_gmt":"2025-07-31T19:08:40","slug":"java-array-of-arraylist-java%e7%9a%84arraylist%e6%95%b0%e7%bb%84arraylist-of-array-%e6%95%b0%e7%bb%84%e7%9a%84arraylist","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java-array-of-arraylist-java%e7%9a%84arraylist%e6%95%b0%e7%bb%84arraylist-of-array-%e6%95%b0%e7%bb%84%e7%9a%84arraylist\/","title":{"rendered":"Java ArrayList\u6df1\u5ea6\u89e3\u6790\uff1a\u9ad8\u6548\u52a8\u6001\u6570\u7ec4\u4f7f\u7528\u6307\u5357"},"content":{"rendered":"

Java\u4e2d\u7684ArrayList\u6570\u7ec4\uff1a\u6df1\u5165\u7406\u89e3\u4e0e\u5b9e\u8df5<\/h2>\n

\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u5982\u4f55\u5728Java\u4e2d\u521b\u5efa\u548c\u4f7f\u7528ArrayList\u6570\u7ec4\uff0c\u4ee5\u53ca\u5982\u4f55\u6784\u5efa\u5305\u542b\u6570\u7ec4\u5143\u7d20\u7684ArrayList\u3002\u6211\u4eec\u5c06\u901a\u8fc7\u8be6\u7ec6\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u5e2e\u52a9\u60a8\u7406\u89e3\u8fd9\u4e9b\u6838\u5fc3\u6982\u5ff5\u3002<\/p>\n

Java\u4e2d\u7684ArrayList\u6570\u7ec4<\/h3>\n

\u5728Java\u4e2d\u521b\u5efa\u6570\u7ec4\u5217\u8868\uff08ArrayList\uff09\u5e76\u4e0d\u590d\u6742\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u7a0b\u5e8f\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u5c06\u591a\u4e2aArrayList\u7ec4\u5408\u6210\u4e00\u4e2a\u6570\u7ec4\uff1a<\/p>\n

import java.util.ArrayList;\r\nimport java.util.List;\r\n\r\npublic class JavaArrayOfArrayList {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\t\/\/ \u521b\u5efa\u4e24\u4e2aString\u7c7b\u578b\u7684ArrayList\r\n\t\tList<String> l1 = new ArrayList<>();\r\n\t\tl1.add(\"1\");\r\n\t\tl1.add(\"2\");\r\n\r\n\t\tList<String> l2 = new ArrayList<>();\r\n\t\tl2.add(\"3\");\r\n\t\tl2.add(\"4\");\r\n\t\tl2.add(\"5\");\r\n\r\n\t\t\/\/ \u521b\u5efa\u4e00\u4e2aList\u7c7b\u578b\u7684\u6570\u7ec4\u6765\u5b58\u50a8ArrayList\r\n\t\t\/\/ \u6ce8\u610f\uff1a\u7531\u4e8eJava\u4e0d\u652f\u6301\u6cdb\u578b\u6570\u7ec4\uff0c\u8fd9\u91cc\u4e0d\u80fd\u5199\u6210 List<String>[]\r\n\t\tList<String>[] arrayOfList = new List[2];\r\n\t\tarrayOfList[0] = l1;\r\n\t\tarrayOfList[1] = l2;\r\n\r\n\t\t\/\/ \u904d\u5386\u5e76\u6253\u5370\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2aArrayList\r\n\t\tfor (int i = 0; i < arrayOfList.length; i++) {\r\n\t\t\tList<String> l = arrayOfList[i];\r\n\t\t\tSystem.out.println(l);\r\n\t\t}\r\n\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n
\u8bf7\u6ce8\u610f\uff0c\u7531\u4e8eJava\u4e0d\u652f\u6301\u6cdb\u578b\u6570\u7ec4\uff0c\u6240\u4ee5\u5728\u521b\u5efa\u6570\u7ec4\u65f6\u6211\u4eec\u65e0\u6cd5\u76f4\u63a5\u4f7f\u7528\u6cdb\u578b\u3002\u56e0\u6b64\uff0c\u5982\u679c\u6211\u4eec\u5c1d\u8bd5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff0c\u4f1a\u4ea7\u751f\u7f16\u8bd1\u65f6\u9519\u8bef\uff0c\u9519\u8bef\u4fe1\u606f\u4e3a\u201c\u65e0\u6cd5\u521b\u5efa\u4e00\u4e2aList\u7c7b\u578b\u7684\u6cdb\u578b\u6570\u7ec4\u201d\uff1a<\/p>\n
List<String>[] arrayOfList = new List<String>[2];\r\n<\/code><\/pre>\n
Java\u4e2d\u5305\u542b\u6570\u7ec4\u5143\u7d20\u7684ArrayList<\/h3>\n
\u6211\u4eec\u8fd8\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u5143\u7d20\u4e3a\u6570\u7ec4\u7684\u5217\u8868\uff08ArrayList\uff09\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u5728Java\u4e2d\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u5b57\u7b26\u4e32\u6570\u7ec4\u7684ArrayList\uff1a<\/p>\n
import java.util.ArrayList;\r\nimport java.util.Arrays;\r\nimport java.util.List;\r\n\r\npublic class JavaArrayListOfStringArray {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\t\/\/ \u521b\u5efa\u4e00\u4e2a\u5305\u542b\u5b57\u7b26\u4e32\u6570\u7ec4\u7684ArrayList\r\n\t\tList<String[]> list = new ArrayList<String[]>();\r\n\t\t\r\n\t\tString[] arr1 = { \"a\", \"b\", \"c\" };\r\n\t\tString[] arr2 = { \"1\", \"2\", \"3\", \"4\" };\r\n\t\tlist.add(arr1);\r\n\t\tlist.add(arr2);\r\n\t\t\r\n\t\t\/\/ \u904d\u5386\u5e76\u6253\u5370ArrayList\u4e2d\u7684\u6bcf\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\r\n\t\tfor (String[] strArr : list) {\r\n\t\t\tSystem.out.println(Arrays.toString(strArr));\r\n\t\t}\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n
Java\u4e2d\u5305\u542b\u5bf9\u8c61\u6570\u7ec4\u7684ArrayList<\/h3>\n
\u5982\u679c\u4f60\u5bf9\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61\u7c7b\u578b\u4e0d\u786e\u5b9a\uff0c\u6216\u8005\u4f60\u60f3\u521b\u5efa\u4e00\u4e2a\u53ef\u4ee5\u5bb9\u7eb3\u591a\u79cd\u7c7b\u578b\u6570\u7ec4\u7684ArrayList\uff0c\u90a3\u4e48\u4f60\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u5bf9\u8c61\u6570\u7ec4\u7684ArrayList\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728Java\u4e2d\u521b\u5efa\u5305\u542b\u5bf9\u8c61\u6570\u7ec4\u7684ArrayList\uff1a<\/p>\n
import java.util.ArrayList;\r\nimport java.util.Arrays;\r\nimport java.util.List;\r\n\r\npublic class JavaArrayListOfObjectArray {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\t\/\/ \u521b\u5efa\u4e00\u4e2a\u5305\u542b\u5bf9\u8c61\u6570\u7ec4\u7684ArrayList\uff0c\u7528\u4e8e\u5b58\u50a8\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u7ec4\r\n\t\tList<Object[]> list = new ArrayList<Object[]>();\r\n\t\tString[] arr1 = { \"a\", \"b\", \"c\" };\r\n\t\tString[] arr2 = { \"1\", \"2\", \"3\", \"4\" };\r\n\r\n\t\tJavaArrayListOfObjectArray aa = new JavaArrayListOfObjectArray();\r\n\t\t\/\/ \u521b\u5efa\u81ea\u5b9a\u4e49\u7c7b\u578bA\u7684\u6570\u7ec4\r\n\t\tJavaArrayListOfObjectArray.A[] arr3 = { aa.new A(\"AA\"), aa.new A(\"BB\") };\r\n\r\n\t\tlist.add(arr1);\r\n\t\tlist.add(arr2);\r\n\t\tlist.add(arr3);\r\n\r\n\t\t\/\/ \u904d\u5386\u5e76\u6253\u5370ArrayList\u4e2d\u4e0d\u540c\u7c7b\u578b\u7684\u5bf9\u8c61\u6570\u7ec4\r\n\t\tfor (Object[] objArr : list) {\r\n\t\t\tSystem.out.println(Arrays.toString(objArr));\r\n\r\n\t\t\t\/\/ \u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5bf9\u8c61\uff0c\u5e76\u6839\u636e\u5176\u7c7b\u578b\u6267\u884c\u76f8\u5e94\u64cd\u4f5c\r\n\t\t\tfor (Object obj : objArr) {\r\n\r\n\t\t\t\t\/\/ \u4f7f\u7528instanceof\u5173\u952e\u5b57\u5224\u65ad\u5bf9\u8c61\u7684\u7c7b\u578b\r\n\t\t\t\tif (obj instanceof String) {\r\n\t\t\t\t\t\/\/ doSomethingForStringObject(); \/\/ \u5bf9String\u7c7b\u578b\u5bf9\u8c61\u7684\u64cd\u4f5c\r\n\t\t\t\t} else if (obj instanceof JavaArrayListOfObjectArray.A) {\r\n\t\t\t\t\t\/\/ doSomethingForAObject(); \/\/ \u5bf9\u81ea\u5b9a\u4e49A\u7c7b\u578b\u5bf9\u8c61\u7684\u64cd\u4f5c\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t}\r\n\t}\r\n\r\n\t\/**\r\n\t * \u4e00\u4e2a\u7528\u4e8eArrayList\u4e2d\u6570\u7ec4\u7684\u793a\u4f8b\u7c7b\r\n\t *\/\r\n\tpublic class A {\r\n\t\tprivate String name;\r\n\r\n\t\tpublic A(String n) {\r\n\t\t\tthis.name = n;\r\n\t\t}\r\n\r\n\t\tpublic String getName() {\r\n\t\t\treturn this.name;\r\n\t\t}\r\n\r\n\t\t@Override\r\n\t\tpublic String toString() {\r\n\t\t\treturn \"A.class::\" + this.name;\r\n\t\t}\r\n\t}\r\n}\r\n<\/code><\/pre>\n
\u5f53\u6211\u4eec\u6267\u884c\u4e0a\u8ff0\u7a0b\u5e8f\u65f6\uff0c\u5b83\u4f1a\u4ea7\u751f\u4ee5\u4e0b\u8f93\u51fa\uff1a<\/p>\n
[a, b, c]\r\n[1, 2, 3, 4]\r\n[A.class::AA, A.class::BB]\r\n<\/code><\/pre>\n
\u4ee5\u4e0a\u5c31\u662f\u5173\u4e8e\u5728Java\u4e2d\u521b\u5efaArrayList\u6570\u7ec4\u3001\u5305\u542b\u6570\u7ec4\u5143\u7d20\u7684ArrayList\u4ee5\u53ca\u5305\u542b\u5bf9\u8c61\u6570\u7ec4\u7684ArrayList\u7684\u5168\u90e8\u5185\u5bb9\u3002<\/p>\n
\u60a8\u53ef\u4ee5\u5728\u6211\u4eec\u7684 GitHub \u5b58\u50a8\u5e93<\/a> \u4e2d\u67e5\u770b\u66f4\u591a\u7684\u6838\u5fc3 Java \u793a\u4f8b\u3002<\/p>\n
\u53c2\u8003\u8d44\u6599\uff1aJava \u6570\u7ec4<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Java\u4e2d\u7684ArrayList\u6570\u7ec4\uff1a\u6df1\u5165\u7406\u89e3\u4e0e\u5b9e\u8df5 \u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u5982\u4f55\u5728Java\u4e2d\u521b\u5efa\u548c\u4f7f\u7528ArrayList […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[783,189,232,976,252],"class_list":{"0":"post-269","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-uncategorized","7":"tag-arraylist","8":"tag-java","10":"tag-976","11":"tag-252"},"yoast_head":"\nJava ArrayList\u6df1\u5ea6\u89e3\u6790\uff1a\u9ad8\u6548\u52a8\u6001\u6570\u7ec4\u4f7f\u7528\u6307\u5357 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u6df1\u5165\u4e86\u89e3Java\u4e2dArrayList\u7684\u5e95\u5c42\u5b9e\u73b0\u3001\u5e38\u7528\u64cd\u4f5c\u3001\u6027\u80fd\u7279\u70b9\u53ca\u6700\u4f73\u5b9e\u8df5\u3002\u638c\u63e1ArrayList\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u7684\u9ad8\u6548\u5e94\u7528\uff0c\u63d0\u5347\u4f60\u7684Java\u7f16\u7a0b\u6280\u80fd\u3002\" \/>\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-array-of-arraylist-java\u7684arraylist\u6570\u7ec4arraylist-of-array-\u6570\u7ec4\u7684arraylist\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java ArrayList\u6df1\u5ea6\u89e3\u6790\uff1a\u9ad8\u6548\u52a8\u6001\u6570\u7ec4\u4f7f\u7528\u6307\u5357\" \/>\n<meta property=\"og:description\" content=\"\u6df1\u5165\u4e86\u89e3Java\u4e2dArrayList\u7684\u5e95\u5c42\u5b9e\u73b0\u3001\u5e38\u7528\u64cd\u4f5c\u3001\u6027\u80fd\u7279\u70b9\u53ca\u6700\u4f73\u5b9e\u8df5\u3002\u638c\u63e1ArrayList\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u7684\u9ad8\u6548\u5e94\u7528\uff0c\u63d0\u5347\u4f60\u7684Java\u7f16\u7a0b\u6280\u80fd\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/java-array-of-arraylist-java\u7684arraylist\u6570\u7ec4arraylist-of-array-\u6570\u7ec4\u7684arraylist\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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