Draw square of * by using nested while loop : While « Statements « VB.Net Tutorial

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3. While

Module Tester

   Sub Main()
      Dim side As Integer    
      Dim row As Integer = 1 
      Dim column As Integer  

      side = 12

      If side <= 20 Then 
         While row <= side 
            column = 1
            While column <= side
               Console.Write("* ") 
               column += 1         
            End While

            Console.WriteLine() 
            row += 1            
         End While
      Else 
         Console.WriteLine("Side too large")
      End If

   End Sub

End Module

* * * * * * * * * * * *
* * * * * * * * * * * *
* * * * * * * * * * * *
* * * * * * * * * * * *
* * * * * * * * * * * *
* * * * * * * * * * * *
* * * * * * * * * * * *
* * * * * * * * * * * *
* * * * * * * * * * * *
* * * * * * * * * * * *
* * * * * * * * * * * *
* * * * * * * * * * * *