Question

#1)

If a concrete (non-abstract class is using an interface, it must do which of the following?

contain the same methods as the interface

inherit the properties of the interface

create an interface object

all of the above

#2) Can multiple catch blocks be executed for a single try statement?

Yes
No

#3) Which of the following is the default access specifier of a class member variable?

Private

Public

Protected

Internal

#4) Which of the following keyword is used for including namespaces in a program in C#?

imports

using

include

exports

#5) Which of the following is the correct way to define and initialize an array of four integers in C#?

int[] a;
a = new int[3];
a[0] = 25;
a[1] = 30;
a[2] = 40;
a[3] = 5;

int[] a;
a = new int{25, 30, 40, 5};

int[] a;
a = new int[4]{25, 30, 40, 5};

#6) Which of the following is the markdown for displaying an image with no alt text using the file example.jpg that is located in the same directory as the markdown file?




[ ](example.jpg)

#7) What is the output of the following code?

{    
     int value = 5;    
     try {       
        int i;       
        for (i = 5; i > -2; --i)       
        value = (value / i);    
    } catch (DivideByZeroException e) {       
        Console.Write("DIV0!");   
    }
    Console.Write(value);
}

1 0.25 0.83 0.42 0.42 0 DIV0!

1 0.24 0.83 0.42 0.42 DIV0! 0

DIV0!0

5 4 3 2 1 0 -1 -2

Answer 1

Answer 1:inherit the properties of the interface

Answer 2: No, we can have mulitple blocks but only 1 will be executed
Answer 3:private
Answer 4:using
Answer 5:a = new int[3];
a[0] = 25;
a[1] = 30;
a[2] = 40;
a[3] = 5;
Answer 6:
Answer 7:
DIV0!0