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Home Forums What are method overloading and method overriding in OOPs programming? – MindStick
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1 Answers

Ashutosh Kumar Verma
Ashutosh Kumar Verma 26 Aug 2021
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Overloading:     Overloading of methods in a class specify that the name of methods are same but there parameter will be different which is passed in that methods. In other word there are two or more methods are available in class with same name but all methods have different parameters(different- sequence, type, number of parameters). It is automatically find suitable methods which type value passes in constructor of its class when create instance.

exp-   

class Demo

    {

        public void Test(string name)

        {

            Console.WriteLine('Your name is'+name);

        }

        public void Test(int age)

        {

            Console.WriteLine('your age is'+age);

        }

        public void Test(string name, int age)

        {

            Console.WriteLine('your name is '+name+' and your age is '+age);

        }

    }

    class OverloadingExp

    {

        static void Main(string[] arg)

        {

            Demo demo = new Demo();

            demo.Test('Ashutosh \n');

            demo.Test(24+'\n');

            demo.Test('Ashutosh',24);

        }

    }

Output- Your name is Ashutosh

                Your name is 24

                your name is Ashutosh and your age is 24

Overriding:          In C#, overriding of methods is just like overloading of methods in program but in case of overring there all methods with same name is created in different class with same parameter. Or in method overriding method name is same and parameters are also same of all methods (same- sequence, types, number of parameters) but all methods are created in different class.

Exp-

 public class Examp

    {

       public void Task(string name, int id)

        {

            Console.WriteLine('Name:{0}',name +' Id: '+ id);

        }

    }

    public class Exp

    {

        public void Task(string name, int id)

        {

            Console.WriteLine('Name:{0}',name + 'Id: '+id);

        }

    }

    public class Mark

    {

        public void Task(string name, int id)

        {

            Console.WriteLine('Name:{0}',name + 'Id: '+ id);

        }

    }

    class OverridigExp

    {

        static void Main(string[] arg)

        {

            Examp exe = new Examp();

            exe.Task('Examp',001);

            Exp exp = new Exp();

            exp.Task('Exp ' ,002);

            Mark mark = new Mark();

            mark.Task('Mark ', 003);  }   }   

Output- Name: Examp Id: 1   

Name: Exp Id: 2

    Name: Mark Id: 3

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