C# Programming Questions and Answers

Number of digits upto which precision value of float datatype is valid ?

Select appropriate difference between decimal, float and double data type in C# ?
1) Float and Double are floating binary point types while decimal is a floating decimal point type.
2) Precision difference for float is ‘7’ digit for double is ’15’ to ’16’ digit and for decimal is ’28’ to ’29’ digits.
3) Some values which cannot be exactly represented hence for those values float and double are more appropriate.

Select the output of the following set of code ?

staticvoid Main(string[] args)

{

      int x =1;

     float y =2. 4f;

     short z =1;

     Console.WriteLine((float) x + y * z -(x +=(short) y));

     Console.ReadLine();

}

The Default value of Boolean DataType is ?

Which of the following format specifiers is used to print hexadecimal values and return value of output as Octal equivalent in C# ?

A float occupies 4 bytes. If the hexadecimal equivalent of these 4 bytes are A, B, C and D, then when this float is stored in memory in which of the following order do these bytes gets stored ?

Select the output choice for the following set of code:

publicstaticvoid Main(string[] args)

{

     double ZERO =0;

     Console.WriteLine("RESULT OF DIVISION BY ZERO IS :{0}", (0/ ZERO));

     Console.ReadLine();

}

Correct statement about constructors in C#.NET is ?

Which of the following statements is correct about constructors in C#.NET?

What is the return type of constructors?