abstract class AbstractClass public void TemplateMethod Operation1 Ope

abstract class AbstractClass
{
    public void TemplateMethod()
    {
        Operation1();
        Operation2();
    }
    public abstract void Operation1();
    public abstract void Operation2();
}
 
class ConcreteClass : AbstractClass
{
    public override void Operation1()
    {
    }
 
    public override void Operation2()
    {
    }
}