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Question:
For the code snippet given below, which of the following statements are valid?

public class MyContainer<T> where T: class, IComparable
{
    //Insert code here
}
Class MyContainer requires that it's type argument must implement IComparable interface.
Compiler will report an error for this block of code.
There are multiple constraints on type argument to MyContainer class.
Class MyContainer requires that its type argument must be a reference type and it must implement IComparable interface.

1.1 and 2 Only

2.. 3 and 4 Only

3.2 and 3 Only

4.All of the above

Posted Date:-2021-02-25 10:20:32

More MCQS Questions and answers

  1. For the code snippet given below, which of the following statements are valid? public class MyContainer<T> where T: class, IComparable { //Insert code here } Class MyContainer requires that it's type argument must implement IComparable interface. Compiler will report an error for this block of code. There are multiple constraints on type argument to MyContainer class. Class MyContainer requires that its type argument must be a reference type and it must implement IComparable interface.
  2. For the code snippet given below, which of the following statements are valid? public class MyContainer<T> where T: IComparabte { // Insert code here } 1. Class MyContainer requires that it's type argument must implement IComparabte interface. 2. Type argument of class MyContainer must be IComparabte. 3. Compiler will report an error for this block of code. 4. This requirement on type argument is called as constraint.
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  6. Which of the following statements are valid about generics in .NET Framework? 1. Generics is a language feature. 2. We can create a generic class, however, we cannot create a generic interface in C#.NET. 3. Generics delegates are not allowed in C#.NET. 4. Generics are useful in collection classes in .NET framework
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