示例代码：
// Template Method
namespace TemplateMethod_DesignPattern
{
using System;
class Algorithm
{
public void DoAlgorithm()
{
Console.WriteLine("In DoAlgorithm");
// do some part of the algorithm here
// step1 goes here
Console.WriteLine("In Algorithm - DoAlgoStep1");
// . . .
// step 2 goes here
Console.WriteLine("In Algorithm - DoAlgoStep2");
// . . .
// Now call configurable/replacable part
DoAlgoStep3();
// step 4 goes here
Console.WriteLine("In Algorithm - DoAlgoStep4");
// . . .
// Now call next configurable part
DoAlgoStep5();
}
virtual public void DoAlgoStep3()
{
Console.WriteLine("In Algorithm - DoAlgoStep3");
}
virtual public void DoAlgoStep5()
{
Console.WriteLine("In Algorithm - DoAlgoStep5");
}
}
class CustomAlgorithm : Algorithm
{
public override void DoAlgoStep3()
{
Console.WriteLine("In CustomAlgorithm - DoAlgoStep3");
}
public override void DoAlgoStep5()
{
Console.WriteLine("In CustomAlgorithm - DoAlgoStep5");
}
}
/// <summary>
/// Summary description for Client.
/// </summary>
public class Client
{
public static int Main(string[] args)
{
CustomAlgorithm c = new CustomAlgorithm();
c.DoAlgorithm();
return 0;
}
}
}
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