ExamAdept

How can you prevent inheritance from a class in C#.NET ?

A:

Declare the class as shadows.

B:

Declare the class as overloads.

C:

Declare the class as sealed.

D:

Declare the class as suppress.

Answer: C

C#.NET allows sealed attribute to be used as a part of class statement. Classes declared with sealed keyword cannot be used as based class for other classes. Most important reason to do this world be to prevent behavior of a class to be changed in any way.

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Which of the following should be used to implement a 'Like a' or a 'Kind of' relationship between two entities?

A:

Polymorphism

B:

Containership

C:

Templates

D:

Encapsulation

Answer: E

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Which of the following are reuse mechanisms available in C#.NET?

Inheritance
Encapsulation
Templates
Containership
Polymorphism

A:

1, 4

B:

1, 3

C:

2, 4

D:

3, 5

Answer: A

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In an inheritance chain which of the following members of base class are accessible to the derived class members?

static
protected
private
shared
public

A:

1, 3

B:

2, 5

C:

3, 4

D:

4, 5

Answer: B

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Which of the following is correct about the C#.NET snippet given below?

namespace ExamAdept
{ 
    class Baseclass
    { 
        public void fun()
        { 
            Console.WriteLine("Hi" + " ");
        } 
        public void fun(int i)
        {
            Console.Write("Hello" + " ");
        } 
    } 
    class Derived: Baseclass
    {
        public void fun()
        {
            Console.Write("Bye" + " ");
        } 
    } 
    class MyProgram
    { 
        static void Main(string[ ] args)
        { 
            Derived d; 
            d = new Derived(); 
            d.fun(); 
            d.fun(77);
        } 
    } 
}

A:

The program gives the output as: Hi Hello Bye

B:

The program gives the output as: Bye Hello

C:

The program gives the output as: Hi Bye Hello

D:

Error in the program

Answer: B

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Questions for: Inheritance