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Cập Nhật: 2022-01-08 17:36:08,Quý quý khách Cần kiến thức và kỹ năng về Vb net list contains. You trọn vẹn có thể lại phản hồi ở cuối bài để Ad đc lý giải rõ ràng hơn.
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123456789101112131415161718192021222324252627Imports SystemModule ProgramSub Main(args As String())Dim mylist As New List(Of String)(New String() “red”, “green”, “blue”, “yellow”, “black”, “white”)Console.WriteLine(“æååé· = 5ã®è¦ç´ “)‘ æåã®è¦ç´ Console.WriteLine(“Find: 0”, mylist.Find(Function(s) s.Length = 5))‘ æå¾ã®è¦ç´ Console.WriteLine(“FindLast: 0”, mylist.FindLast(Function(s) s.Length = 5))‘ å ¨ã¦ã®è¦ç´ Dim found1 As List(Of String) = mylist.FindAll(Function(s) s.Length = 5)Console.WriteLine(“FindAll: 0”, String.Join(“, “, found1.ToArray()))Console.WriteLine(“eãå«ãè¦ç´ “)‘ æåã®è¦ç´ Console.WriteLine(“Find: 0”, mylist.Find(Function(s) s.Contains(“e”)))‘ æå¾ã®è¦ç´ Console.WriteLine(“FindLast: 0”, mylist.FindLast(Function(s) s.Contains(“e”)))‘ å ¨ã¦ã®è¦ç´ Dim found2 As List(Of String) = mylist.FindAll(Function(s) s.Contains(“e”))Console.WriteLine(“FindAll: 0”, String.Join(“, “, found2.ToArray()))Console.WriteLine()End SubEnd Module
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12345678æååé· = 5ã®è¦ç´ Find: greenFindLast: whiteFindAll: green, black, whiteeãå«ãè¦ç´ Find: redFindLast: whiteFindAll: red, green, blue, yellow, white
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123456789101112131415161718192021222324252627Imports SystemModule ProgramSub Main(args As String())Dim mylist As New List(Of String)(New String() “red”, “green”, “blue”, “yellow”, “black”, “white”)Console.WriteLine(“æååé· = 5ã®è¦ç´ And eãå«ãè¦ç´ “)‘ æåã®è¦ç´ Console.WriteLine(“Find: 0”, mylist.Find(Function(s) s.Length = 5 And s.Contains(“e”)))‘ æå¾ã®è¦ç´ Console.WriteLine(“FindLast: 0”, mylist.FindLast(Function(s) s.Length = 5 And s.Contains(“e”)))‘ å ¨ã¦ã®è¦ç´ Dim found1 As List(Of String) = mylist.FindAll(Function(s) s.Length = 5 And s.Contains(“e”))Console.WriteLine(“FindAll: 0”, String.Join(“, “, found1.ToArray()))Console.WriteLine(“æååé· = 5ã®è¦ç´ Or eãå«ãè¦ç´ “)‘ æåã®è¦ç´ Console.WriteLine(“Find: 0”, mylist.Find(Function(s) s.Length = 5 Or s.Contains(“e”)))‘ æå¾ã®è¦ç´ Console.WriteLine(“FindLast: 0”, mylist.FindLast(Function(s) s.Length = 5 Or s.Contains(“e”)))‘ å ¨ã¦ã®è¦ç´ Dim found2 As List(Of String) = mylist.FindAll(Function(s) s.Length = 5 Or s.Contains(“e”))Console.WriteLine(“FindAll: 0”, String.Join(“, “, found2.ToArray()))Console.WriteLine()End SubEnd Module
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12345678æååé· = 5ã®è¦ç´ And eãå«ãè¦ç´ Find: greenFindLast: whiteFindAll: green, whiteæååé· = 5ã®è¦ç´ Or eãå«ãè¦ç´ Find: redFindLast: whiteFindAll: red, green, blue, yellow, black, white
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1234567891011121314151617Imports SystemModule ProgramSub Main(args As String())Dim mylist As New List(Of String)(New String() “RED”, “GREEN”, “BLUE”, “YELLOW”, “BLACK”, “WHITE”)‘ æåã®è¦ç´ Console.WriteLine(“Find: 0”, mylist.Find(Function(s) s.Contains(“e”, StringComparison.OrdinalIgnoreCase)))‘ æå¾ã®è¦ç´ Console.WriteLine(“FindLast: 0”, mylist.FindLast(Function(s) s.Contains(“e”, StringComparison.OrdinalIgnoreCase)))‘ å ¨ã¦ã®è¦ç´ Dim found As List(Of String) = mylist.FindAll(Function(s) s.Contains(“e”, StringComparison.OrdinalIgnoreCase))Console.WriteLine(“FindAll: 0”, String.Join(“, “, found.ToArray()))Console.WriteLine()End SubEnd Module
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123Find: REDFindLast: WHITEFindAll: RED, GREEN, BLUE, YELLOW, WHITE
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123456789101112131415161718Imports SystemModule ProgramSub Main(args As String())Dim mylist As New List(Of String)(New String() “red”, “green”, “blue”, “red”, “black”, “white”)‘ redã®indexConsole.WriteLine(“IndexOf(red) = 0”, mylist.IndexOf(“red”))‘ Redã®indexConsole.WriteLine(“IndexOf(Red) = 0”, mylist.IndexOf(“Red”))‘ redã®æå¾ã®indexConsole.WriteLine(“LastIndexOf(red) = 0”, mylist.LastIndexOf(“red”))Console.WriteLine()End SubEnd Module
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123IndexOf(red) = 0IndexOf(Red) = –1LastIndexOf(red) = 3
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