Question

How to exit a method in C#

Answer 1

using System;

class Program
{
    static void Main(string[] args)
    {
        try {
            Console.WriteLine(function(3)); 
            Console.WriteLine(function(0)); 
        }
        catch (ArgumentException ex) {
            Console.WriteLine("Err: " + ex.Message);
        }
    }

    public static int function(int n) {
        if (n == 0) {    
            throw new ArgumentException("The value 0 is not accepted.");
        }
        
        return n * 100;       
    }
}



/*
run:

300
Err: The value 0 is not accepted.

*/

 

70+ SQL courses for beginners and professionals

Answer 2

using System;

class Program
{
    static void Main(string[] args)
    {
        Console.WriteLine(function(3)); 
        Console.WriteLine(function(0)); 
    }

    public static int function(int n) {
        if (n == 0) {    
            Console.WriteLine("Err: The value 0 is not accepted. Returning -1.");
            return -1;
        }
        
        return n * 100;       
    }
}



/*
run:

300
Err: The value 0 is not accepted. Returning -1.
-1

*/

 

70+ SQL courses for beginners and professionals