我正在努力理解數(shù)組并閱讀這個(gè)主題,但是當(dāng)你剛剛開始編程并且沒有人可以要求解釋時(shí),很多文獻(xiàn)都不容易理解。這是我的二維數(shù)組: 'Declare 2-diensional array of Strings Dim cars(,) As String = New String(,) {{"BMW", "Coupe", "Reg:2015", "5 Door"}, {"Ford", "Focus", "Reg:2015", "3 Door"}, {"Land Rover", "Discovery", "Reg:2014", "5 Door"}, {"Vauxhall", "Astra", "Reg:2014", "3 Door"}, {"SEAT", "Ibiza", "Reg:2013", "5 Door"}} ' Get bounds of the array. Dim bound0 As Integer = cars.GetUpperBound(0) Dim bound1 As Integer = cars.GetUpperBound(1) ' Loop over all elements. For i As Integer = 0 To bound0 For x As Integer = 0 To bound1 ' Get element. Dim s1 As String = cars(i, x) Console.ForegroundColor = ConsoleColor.Green Console.Write(s1 & ", ") Next Console.WriteLine() Next Console.ReadKey() Console.WriteLine("Please enter the name of the record you wish to view") Dim s = Console.ReadLine() Dim value As String = Array.Find(cars, Function(x) (x.StartsWith(s))) Console.WriteLine(value) Console.ReadKey()這是引起問題的線Dim value As String = Array.Find(cars, Function(x) (x.StartsWith(s)))Visual Studio建議錯(cuò)誤是因?yàn)椤盁o法從這些參數(shù)中推斷出類型參數(shù)的數(shù)據(jù)類型。明確指定數(shù)據(jù)類型可能會(huì)糾正此錯(cuò)誤?!?我無法理解這個(gè)錯(cuò)誤意味著什么。請(qǐng)有人請(qǐng)解釋一下,好像和一個(gè)10歲的孩子交談,或者是一個(gè)可能幫助我理解這個(gè)問題的網(wǎng)站。謝謝
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