The C# programming language introduces a unique feature with which you can combine interfaces. That means two or more interfaces can be combined into a single interface. After that you only need to call the combined interface while inheriting them. In listing 4.7, two interfaces named InterfaceDemo and InterfaceDemo1 are combined into a single interface called CombinedInter. The class MultipleInter extends this interface and provides the implementation of the interface methods. Inside the Main() method, the methods are called by creating an instance of the class.
using System;
interface InterfaceDemo
{
void show();
}
interface InterfaceDemo1
{
void display();
}
interface CombinedInter:InterfaceDemo,InterfaceDemo1
{
//Above interfaces combined
}
class MultipleInter:CombinedInter
{
public void show()
{
Console.WriteLine("show() method Implemented");
}
public void display()
{
Console.WriteLine("display() method Implemented");
}
public static void Main(string[] args)
{
MultipleInter mi = new MultipleInter();
mi.show();
mi.display();
}
}
In this part of the series, you have learned about structures, inheritance and interfaces with the help of source codes and explanations.
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