Excercise – Solved

PS C:\> $a=3
PS C:\> write-host $a
3
PS C:\> $a.GetType()

IsPublic IsSerial Name                                     BaseType
-------- -------- ----                                     --------
True     True     Int32                                    System.ValueType

PS C:\> $b=3.3
PS C:\> Write-Host $b
3.3
PS C:\> $c="3.3"
PS C:\> Write-Host $c
3.3
PS C:\> $b.GetType()

IsPublic IsSerial Name                                     BaseType
-------- -------- ----                                     --------
True     True     Double                                   System.ValueType

PS C:\> $c.GetType()

IsPublic IsSerial Name                                     BaseType
-------- -------- ----                                     --------
True     True     String                                   System.Object

PS C:\> $d=$a+$b
PS C:\> $d
6.3
PS C:\> $d.GetType()

IsPublic IsSerial Name                                     BaseType
-------- -------- ----                                     --------
True     True     Double                                   System.ValueType

PS C:\> $x=3.4
PS C:\> $x
3.4
PS C:\> $x.ToInt32($null)
3
PS C:\> $y=3.6
PS C:\> $y.ToInt32($null)
4