I was asked to write a function to return the maximum number in a given array once in a job interview when I have little programming knowledge. I didn't make the move there but after I studied a bit, I found it is actually a very easy task. There are more than one way of doing this, I'll just illustrate two here:
Solution 1:
Private Function GetMaxNumber() As Integer
Dim ages() As Integer = {12, 53, 14, 26, 35, 24, 39, 45}
'set the age of the first element for comparison
Dim oldest As Integer = ages(0)
'now loop through all the ages in the array
For i As Integer = 0 To UBound(ages) - 1
'check if the current age is greater than the highest age
'that has been found so far
If oldest < ages(i) Then
'store the value of the element in the array
oldest = ages(i)
End If
Next
Return oldest
End Function
Solution 2:
Private Function GetMax() As Integer
Dim nums() As Integer = {12, 53, 14, 26, 35, 24, 39, 45}
Dim largest = (From num In nums Select num).Max
Return largest
End Function
Using LINQ in Visual studio 2008 you can tell it is much easier to do this
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