.NET Interview Questions

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What are abstract classes? What are the distinct characteristics of an abstract class ?

Mohd Arif
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Q: will this code compile ? interface IMyInterface { void fun1(); void fun2(); } class MyClass : IMyInterface { void IMyInterface.fun1() { throw new NotImplementedException(); } void IMyInterface.fun2() { throw new NotImplementedException(); } }

Rajesh Singh
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Q: What will be output of following code ? interface IMyInterface { void fun1(); void fun2(); } class MyClass : IMyInterface { void fun1() { } void fun2() { } }

Rajesh Singh
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What events are fired when a page loads ?

Mohd Arif
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What is difference between NHibernate and entity framework ?

Manoj Kalla
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How Singleton class is different from static class and which is better ?

Akash Malhotra
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How to multiply each number in array by 10 ?

Vsd Vsd
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public class abc { public static void Main() { string strNname = "Vaibhav"; Console.Write((strNname == "Agarwal").ToString()); Console.ReadKey(); } } ?

Vaibhav Agarwal
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Differences between Stack and Heap ?

Dharmendra Rai
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3

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The implemented method would be of which interface ? There are two interfaces B and C each having the same method public m1() class A implements B and C. If class A has to implement method m1, the implemented method would be of which interface ?

Gul Md Ershad
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Differences between VS 2005, 2008 and 2010 ?

Rajesh Singh
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1

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static void Main(string[] args){Console.Write(sum(1, 2));Console.Read();}public static int sum(int a, int b){return a + b;}public static int sum(int a, int b, int c = 3){return a + b + c;}will it work ? if yes, then which method ? if no, then runtime error / compile time error ?

Prashant Verma
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3

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Q. Why we use Abstract class ?

Sandeep Kumar
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Q. What is purpose of marker interface ? Do we really need in c# ?

Dhanik Sahni
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1

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What is the beast way to write CTE in SQL Server ?

Praveen
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What are abstract classes? What are the distinct characteristics of an abstract class ?

Q: will this code compile ? interface IMyInterface { void fun1(); void fun2(); } class MyClass : IMyInterface { void IMyInterface.fun1() { throw new NotImplementedException(); } void IMyInterface.fun2() { throw new NotImplementedException(); } }

Q: What will be output of following code ? interface IMyInterface { void fun1(); void fun2(); } class MyClass : IMyInterface { void fun1() { } void fun2() { } }

What events are fired when a page loads ?

What is difference between NHibernate and entity framework ?

How Singleton class is different from static class and which is better ?

How to multiply each number in array by 10 ?

public class abc { public static void Main() { string strNname = "Vaibhav"; Console.Write((strNname == "Agarwal").ToString()); Console.ReadKey(); } } ?

Differences between Stack and Heap ?

The implemented method would be of which interface ? There are two interfaces B and C each having the same method public m1() class A implements B and C. If class A has to implement method m1, the implemented method would be of which interface ?

Differences between VS 2005, 2008 and 2010 ?

static void Main(string[] args){Console.Write(sum(1, 2));Console.Read();}public static int sum(int a, int b){return a + b;}public static int sum(int a, int b, int c = 3){return a + b + c;}will it work ? if yes, then which method ? if no, then runtime error / compile time error ?

Q. Why we use Abstract class ?

Q. What is purpose of marker interface ? Do we really need in c# ?

What is the beast way to write CTE in SQL Server ?