下面这段代码的运行结果是()。
Dim MyStringBuilder As New StringBuilder("Hello World!")
MyStringBuilder.Replace("!"c, "?"c)
Console.WriteLine(MyStringBuilder)
A.HelloWorld?c
B.HelloWorld?
C.HelloWorld!c
D.HelloWorld!
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下面这段代码的运行结果是()。
Dim MyStringBuilder As New StringBuilder("Hello World!")
MyStringBuilder.Remove(5, 7)
Console.WriteLine(MyStringBuilder)
A."Hello_"
B."Hello"
C."_World!"
D."World!"
下面这段代码中,变量subString的结果是()。
Dim aStringAs String="Left Center Right"
Dim subStringAs String
subString=aString.SubString(1,4)
A."_Left"
B."Left_"
C."Left"
D."eft"
下面这段代码中,变量subString的结果是()。
Dim aString As String = "Left Center Right"
Dim subString As String
subString = Mid(aString, 13)
A."_Right"
B."Right_"
C."Right"
D."Left Center_"
E."Left Center"
F."_Left Center_"
G."Left Center R"
下面这段代码中,变量myInteger的结果是()。
Dim myString As String="ABCDE"
Dim myInteger As Integer
myInteger=myString.IndexOf("D")
A.0
B.1
C.2
D.3
E.4
下面这段代码中,变量myChar的结果是()。
Dim myString As String="ABCDE"
Dim myChar As Char
myChar=myString.Chars(3)
A.A
B.B
C.C
D.D
E.E
A.3
B.4
C.2
D.1
A.>
B.<
C.=
D.>=
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