What is a nullreferenceexception and how do I fix it?

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What is ioc containers c#?

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Why do we need delegates in c#?

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What is a virtual property. Give an example?

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What is the difference between list and arraylist c#?

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If you define a user defined data type by using the struct keyword, is it a value type or reference type?

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Explain the difference between “constant” and “read-only” variables used in c#?

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What?s an abstract class?

4 Answers   NIIT,

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What is expandoobject in c#?

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Why do we need dependency injection in c#?

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hi, I am a begineer to c sharp. I have written a code for finding out prime numbers. Can anyone identify what are the flaws in my code. Kindly donot complex the code or present logic because i am new to c sharp and just started learning programming language.Thanks in advance. class Program { static void Main(string[] args) { int a,b=1; a = int.Parse(Console.ReadLine()); c= int.Parse(Console.ReadLine()); if (a % b == 0 && a % 2 != 0 && a % a == 0) Console.WriteLine(a); else if (a % b == 0 && a % 2 == 0) Console.WriteLine(a%2); Console.WriteLine("Number is not PRIME"); Console.ReadLine(); } } }

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What is tryparse c#?

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