1-D Arrays in Visual Basic

How do you declare a 1-D array of integers with 10 elements in Visual Basic?

• `Dim arr(10) As Integer`

• `Dim arr(9) As Integer`

• `Dim arr(1 To 10) As Integer`

• `Dim arr(0 To 9) As Integer`

Which of the following is the correct way to access the third element in a 1-D array named `numbers`?

• `numbers(2)`

• `numbers(3)`

• `numbers[2]`

• `numbers[3]`

How would you modify the fifth element of a 1-D array named `scores` to the value 95?

• `scores(4) = 95`

• `scores(5) = 95`

• `scores[4] = 95`

• `scores[5] = 95`

What is the default value of elements in a newly declared 1-D array of integers in Visual Basic?

• `1`

• `0`

• `null`

• `undefined`

How do you declare a 1-D array of strings with 5 elements in Visual Basic?

• `Dim arr(5) As String`

• `Dim arr(4) As String`

• `Dim arr(0 To 4) As String`

• `Dim arr(1 To 5) As String`

Which of the following statements correctly assigns the value "Hello" to the first element of a 1-D array named `greetings`?

• `greetings(0) = "Hello"`

• `greetings(1) = "Hello"`

• `greetings[0] = "Hello"`

• `greetings[1] = "Hello"`

If you have a 1-D array `arr` declared as `Dim arr(4) As Integer`, what is the index of the last element?

• `3`

• `4`

• `5`

• `6`

How do you initialise a 1-D array of integers with the values 1, 2, 3, 4, and 5 in Visual Basic?

• `Dim arr() = New Integer() {1, 2, 3, 4, 5}`

• `Dim arr(4) = New Integer {1, 2, 3, 4, 5}`

• `Dim arr(5) = New Integer {1, 2, 3, 4, 5}`

• `Dim arr(0 To 4) = New Integer {1, 2, 3, 4, 5}`

Which of the following is the correct way to declare a 1-D array of doubles with 7 elements in Visual Basic?

• `Dim arr(7) As Double`

• `Dim arr(6) As Double`

• `Dim arr(0 To 6) As Double`

• `Dim arr(1 To 7) As Double`

How do you access the length of a 1-D array named `data` in Visual Basic?

• `data.Length`

• `data.Size`

• `data.GetLength(0)`

• `data.Length()`