Mega Code Archive
Sort objects in an array
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Imports System.Collections
public class Test
public Shared Sub Main
Dim people(4) As Employee
people(0) = New Employee("R", "S")
people(1) = New Employee("S", "A")
people(2) = New Employee("T", "P")
people(3) = New Employee("H", "S")
people(4) = New Employee("E", "C")
' Sort.
Array.Sort(people)
For i As Integer = 0 To people.GetUpperBound(0)
Console.WriteLine(people(i).ToString())
Next i
End Sub
End class
Public Class Employee
Implements IComparable
Public FirstName As String
Public LastName As String
Public Sub New(ByVal first_name As String, ByVal last_name As String)
FirstName = first_name
LastName = last_name
End Sub
Public Overrides Function ToString() As String
Return LastName & ", " & FirstName
End Function
Public Function CompareTo(ByVal obj As Object) As Integer _
Implements System.IComparable.CompareTo
Dim other_Employee As Employee = DirectCast(obj, Employee)
Return String.Compare(Me.ToString, other_Employee.ToString)
End Function
End Class
A, S
C, E
P, T
S, H
S, R
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