Exercise: Python

Questions for: Inheritance

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?
  1. Inheritance
  2. Encapsulation
  3. Templates
  4. Containership
  5. 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?
  1. static
  2. protected
  3. private
  4. shared
  5. 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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