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Home ‣ C# Programming ‣ Interfaces See What Others Are Saying!
  • Question

  • Which of the following is the correct implementation of the interface given below? 

    interface IMyInterface
{ 
    double MyFun(Single i);
}


  • Options
  • A. 
    class MyClass
{
    double MyFun(Single i) as IMyInterface.MyFun
    {
        // Some code
    }
}
  • B. 
    class MyClass 
{
    MyFun (Single i) As Double
    {
        // Some code
    } 
}
  • C. 
    class MyClass: implements IMyInterface
{
    double fun(Single si) implements IMyInterface.MyFun()
    {
        //Some code
    } 
}
  • D. 
    class MyClass: IMyInterface
{
    double IMyInterface.MyFun(Single i)
    {
        // Some code
    } 
}

  • Correct Answer 
  • class MyClass: IMyInterface
{
    double IMyInterface.MyFun(Single i)
    {
        // Some code
    } 
}
     

    • More questions

    • 1. In C#.NET if we do not catch the exception thrown at runtime then which of the following will catch it?

    • Options
    • A. Compiler
    • B. CLR
    • C. Linker
    • D. Loader
    • E. Operating system
      • Discuss
    • 2. Which of the folowing does an indexer allow to index in the same way as an array?

      1. A class
      2. A property
      3. A struct
      4. A function
      5. An interface

    • Options
    • A. 1, 3, 5
    • B. 2, 4
    • C. 3, 5
    • D. 3, 4, 5
      • Discuss
    • 3. Which of the following is NOT an Assignment operator in C#.NET?

    • Options
    • A. \=
    • B. /=
    • C. *=
    • D. +=
    • E. %=
      • Discuss
    • 4. How many values is a function capable of returning?

    • Options
    • A. 1
    • B. 0
    • C. Depends upon how many params arguments does it use.
    • D. Any number of values.
    • E. Depends upon how many ref arguments does it use.
      • Discuss
    • 5. Creating empty structures is allowed in C#.NET.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. It is illegal to make objects of one class as members of another class.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. All code inside finally block is guaranteed to execute irrespective of whether an exception occurs in the protected block or not.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. Which of the following ways to create an object of the Sample class given below will work correctly? 

      class Sample
{
    int i;
    Single j;
    double k;
    public Sample (int ii, Single jj, double kk)
    {
        i = ii;
        j = jj;
        k = kk;
    } 
}

    • Options
    • A. Sample s1 = new Sample();
    • B. Sample s1 = new Sample(10);
    • C. Sample s2 = new Sample(10, 1.2f);
    • D. Sample s3 = new Sample(10, 1.2f, 2.4);
    • E. Sample s1 = new Sample(, , 2.5);
      • Discuss
    • 9. Which of the following will be the correct output for the C#.NET program given below? 

      namespace CuriousTabConsoleApplication
{ 
    class SampleProgram
    {
        static void Main(string[] args)
        { 
            int num = 1;
            funcv(num); 
            Console.Write(num + ", "); 
            funcr(ref num); 
            Console.Write(num + ", ");
        }
        static void funcv(int num)
        { 
            num = num + 10; Console.Write(num + ", ");
        }
        static void funcr (ref int num)
        { 
            num = num + 10; Console.Write(num + ", ");
        } 
    } 
}

    • Options
    • A. 1, 1, 1, 1,
    • B. 11, 1, 11, 11,
    • C. 11, 11, 11, 11,
    • D. 11, 11, 21, 11,
    • E. 11, 11, 21, 21,
      • Discuss
    • 10. Which of the following operators cannot be overloaded?

      1. true
      2. false
      3. new
      4. ~
      5. sizeof

    • Options
    • A. 1, 3
    • B. 2, 4
    • C. 3, 5
    • D. All of the above
      • Discuss

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