php mcq questions with answers


                                


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



class Sample
{
    private int i;
    public Single j;
    private void DisplayData()
    {
        Console.WriteLine(i + " " + j);
    }
    public void ShowData()
    {
        Console.WriteLine(i + " " + j);
    }
}




                                
A.
j cannot be declared as public.
B.
DisplayData() cannot be declared as private.
C.
DisplayData() cannot access j.
D.
ShowData() cannot access to i.
E.There is no error in this class.
                              
Click To Show Ans:E

                        
                                


Which of the following statements are correct?



    

  1. Instance members of a class can be accessed only through an object of that class.

    2. 

  2. A class can contain only instance data and instance member function.

    3. 

  3. All objects created from a class will occupy equal number of bytes in memory.

    4. 

  4. A class can contain Friend functions.

    5. 

  5. A class is a blueprint or a template according to which objects are created.

    6. 





                                
A.1, 3, 5
B.2, 4
C.3, 5
D.2, 4, 5
E.None of these
                              
Click To Show Ans:A

                        
                                
Which of the following statements is correct?
                                
A.Procedural Programming paradigm is different than structured programming paradigm.
B.Object Oriented Programming paradigm stresses on dividing the logic into smaller parts and writing procedures for each part.
C.Classes and objects are corner stones of structured programming paradigm.
D.Object    Oriented    Programming    paradigm    gives    equal importance to data and the procedures that work on the data.
E.C#.NET is a structured programming language.
                              
Click To Show Ans:D

                        
                                


Which of the following is the correct way to create an object of the class Sample?



    

  1. 
Sample s = new Sample();

    2. 

  2. 
Sample s;

    3. 

  3. 
Sample s; s = new Sample();

    4. 

  4. 
s = new Sample();

    5. 





                                
A.1, 3
B.2, 4
C.1, 2, 3
D.1, 4
E.None of these
                              
Click To Show Ans:A

                        
                                
The this reference gets created when a member function (non-shared) of a class is called.
                                
A.True
B.False
                              
Click To Show Ans:A