NEC Interview Questions

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Is it possible to have abstract class without abstract method in C#?

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What will be output of below code?

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All processes have at least one thread of executions, which is called ?

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The CLR will not shutdown an application until all --------- threads has ended ? 1. Suspended 2. Background 3. Foreground 4. Main

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Which thread has the ability to prevent the current application from terminating(Foreground,Background,Suspended and Main ?

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What are threads defined by .NET Framework (Main Thread, Background, Foreground,Suspended Thread and Resumed Thread ?

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How many types of threads are defined by .NET Framework 2,3,4 and 4.0 ?

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When you create a thread, it is by default which type of thread like Background,Foreground, Main Thread and Suspended ?

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How to get only schema of a table in ADO.NET? a. DataAdapter.Fill(Dataset); b. DataAdapter.Schema(Dataset,“TableName”); c. DataAdapter.FillSchema(Dataset); d. DataAdapter.GetSchema(Dataset,”TableName”);

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You have recently developed a Class named “ShopList”. The class is having Public properties Name, ID, Discount. You need to enable the users of the class to iterate through the ShopList collections. Which of the following code snippet will you use? a. public class ShopList : IEnumerator, IEnumerable { // Class implementation } b. public class ShopList : IBindingList { // Class implementation } c. public class ShopList : IDictionary { // Class implementation } d. public class ShopList : ICollection { // Class implementation }

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If a Class is inheriting an interface then a. Inherit the properties of the interface. b. Contain the same methods from the interface. c. Create an interface object. d. All

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How do you prevent a class from being inherited? a. By making the class as Private. b. By making the class as private and using sealed keyword. c. By making the class as protected and using sealed keyword. d. By making the class as Sealed.

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What is the difference between Dispose() and Finalize() methods? a. Dispose() method will remove the resources to a class and Finalize() will release the memory for a class. b. Dispose() method is used for a class and Finalize() method is for a class method. c. Dispose() will be called by programmer explicitly and Finalize() method is called by Garbage Collector implicitly. d. All.

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2. How many default Constructors can a class have? a. 1 b. 2 c. None d. Many

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1. What is default Access Modifier of a Class? a. Public b. Private c. Protected d. Internal

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