{"id":4475,"date":"2024-03-14T01:31:06","date_gmt":"2024-03-14T01:31:06","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-create-and-manipulate-arrays-in-c\/"},"modified":"2025-07-31T08:29:19","modified_gmt":"2025-07-31T08:29:19","slug":"how-to-create-and-manipulate-arrays-in-c","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-create-and-manipulate-arrays-in-c\/","title":{"rendered":"C# Arrays: Creation & Manipulation Guide"},"content":{"rendered":"

In C#, you can create and manipulate arrays using the following methods:<\/p>\n

    \n
  1. Create an array:<\/li>\n<\/ol>\n
    int<\/span>[] numbers = new<\/span> int<\/span>[5<\/span>]; \/\/ \u521b\u5efa\u4e00\u4e2a\u5305\u542b5\u4e2a\u6574\u6570\u7684\u6570\u7ec4<\/span>\r\nstring<\/span>[] names = new<\/span> string<\/span>[3<\/span>]; \/\/ \u521b\u5efa\u4e00\u4e2a\u5305\u542b3\u4e2a\u5b57\u7b26\u4e32\u7684\u6570\u7ec4<\/span>\r\n<\/code><\/pre>\n
      \n
    1. Initialize an array.<\/li>\n<\/ol>\n
      int<\/span>[] numbers = {1<\/span>, 2<\/span>, 3<\/span>, 4<\/span>, 5<\/span>}; \/\/ \u521d\u59cb\u5316\u5305\u542b5\u4e2a\u5143\u7d20\u7684\u6574\u6570\u6570\u7ec4<\/span>\r\nstring<\/span>[] names = {\"Alice\"<\/span>, \"Bob\"<\/span>, \"Charlie\"<\/span>}; \/\/ \u521d\u59cb\u5316\u5305\u542b3\u4e2a\u5b57\u7b26\u4e32\u7684\u6570\u7ec4<\/span>\r\n<\/code><\/pre>\n
        \n
      1. Accessing elements of an array:<\/li>\n<\/ol>\n
        int<\/span>[] numbers = {1<\/span>, 2<\/span>, 3<\/span>, 4<\/span>, 5<\/span>};\r\nConsole.WriteLine(numbers[0<\/span>]); \/\/ \u8f93\u51fa\u6570\u7ec4\u4e2d\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u503c\uff0c\u53731<\/span>\r\n<\/code><\/pre>\n
          \n
        1. Change elements in the array.<\/li>\n<\/ol>\n
          int<\/span>[] numbers = {1<\/span>, 2<\/span>, 3<\/span>, 4<\/span>, 5<\/span>};\r\nnumbers[2<\/span>] = 10<\/span>; \/\/ \u5c06\u6570\u7ec4\u4e2d\u7b2c\u4e09\u4e2a\u5143\u7d20\u4fee\u6539\u4e3a10<\/span>\r\n<\/code><\/pre>\n
            \n
          1. Traverse the array.<\/li>\n<\/ol>\n
            int<\/span>[] numbers = {1<\/span>, 2<\/span>, 3<\/span>, 4<\/span>, 5<\/span>};\r\nforeach<\/span> (int<\/span> num in<\/span> numbers)\r\n{\r\n    Console.WriteLine(num); \/\/ \u8f93\u51fa\u6570\u7ec4\u4e2d\u6bcf\u4e2a\u5143\u7d20\u7684\u503c<\/span>\r\n}\r\n<\/code><\/pre>\n
              \n
            1. Get the length of the array.<\/li>\n<\/ol>\n
              int<\/span>[] numbers = {1<\/span>, 2<\/span>, 3<\/span>, 4<\/span>, 5<\/span>};\r\nint<\/span> length = numbers.Length; \/\/ \u83b7\u53d6\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u53735<\/span>\r\n<\/code><\/pre>\n
                \n
              1. Using the methods and properties of an array:<\/li>\n<\/ol>\n
                int<\/span>[] numbers = {1<\/span>, 2<\/span>, 3<\/span>, 4<\/span>, 5<\/span>};\r\nArray.Sort(numbers); \/\/ \u5bf9\u6570\u7ec4\u8fdb\u884c\u5347\u5e8f\u6392\u5e8f<\/span>\r\nint<\/span> max = numbers.Max(); \/\/ \u83b7\u53d6\u6570\u7ec4\u4e2d\u7684\u6700\u5927\u503c<\/span>\r\nint<\/span> index = Array.IndexOf(numbers, 3<\/span>); \/\/ \u67e5\u627e\u6570\u7ec4\u4e2d\u5143\u7d20\u503c\u4e3a3\u7684\u7d22\u5f15\u4f4d\u7f6e<\/span>\r\n<\/code><\/pre>\n
                The above are some basic methods for creating and manipulating arrays in C#. Hope it helps you.<\/p>\n","protected":false},"excerpt":{"rendered":"
                In C#, you can create and manipulate arrays using the following methods: Create an array: int[] numbers = new int[5]; \/\/ \u521b\u5efa\u4e00\u4e2a\u5305\u542b5\u4e2a\u6574\u6570\u7684\u6570\u7ec4 string[] names = new string[3]; \/\/ \u521b\u5efa\u4e00\u4e2a\u5305\u542b3\u4e2a\u5b57\u7b26\u4e32\u7684\u6570\u7ec4 Initialize an array. int[] numbers = {1, 2, 3, 4, 5}; \/\/ \u521d\u59cb\u5316\u5305\u542b5\u4e2a\u5143\u7d20\u7684\u6574\u6570\u6570\u7ec4 string[] names = {“Alice”, “Bob”, “Charlie”}; \/\/ \u521d\u59cb\u5316\u5305\u542b3\u4e2a\u5b57\u7b26\u4e32\u7684\u6570\u7ec4 Accessing elements of an array: […]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[3202,2026,4086,381,450],"class_list":["post-4475","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-array-manipulation","tag-c-arrays","tag-c-beginners","tag-c-programming","tag-c-tutorial"],"yoast_head":"\nC# Arrays: Creation & Manipulation Guide - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn how to create, initialize, access, and manipulate arrays in C#. 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