A PHP Error was encountered

Severity: Warning

Message: A non-numeric value encountered

Filename: controllers/home.php

Line Number: 222

A PHP Error was encountered

Severity: Warning

Message: A non-numeric value encountered

Filename: controllers/home.php

Line Number: 228

Properties - C# Programming Questions and Answers

Menu
Home / C# Programming / Properties :: General Questions

C# Programming :: Properties

Properties - General Questions

  1. A property can be declared inside a class, struct, Interface.

    2. A.
    True
    B.
    False

    View Answer

    Workspace

    Discuss Discuss in Forum

  2. Which of the following statements is correct about properties used in C#.NET?

    3. A.
    A property can simultaneously be read only or write only.
    B.
    A property can be either read only or write only.
    C.
    A write only property will have only get accessor.
    D.
    A write only property will always return a value.

    View Answer

    Workspace

    Discuss Discuss in Forum

  3. A Student class has a property called rollNo and stu is a reference to a Student object and we want the statement stu.RollNo = 28 to fail. Which of the following options will ensure this functionality?

    4. A.
    Declare rollNo property with both get and set accessors.
    B.
    Declare rollNo property with only set accessor.
    C.
    Declare rollNo property with get, set and normal accessors.
    D.
    Declare rollNo property with only get accessor.
    E.
    None of the above

    View Answer

    Workspace

    Discuss Discuss in Forum

  4. If a class Student has an indexer, then which of the following is the correct way to declare this indexer to make the C#.NET code snippet given below work successfully?

      Student s = new Student();
  s[1, 2] = 35;

     

     

    5. A. 
     class Student
 {   
    int[ ] a = new int[5, 5]; 
    public property WriteOnly int this[int i, int j]  
   {        
        set      
        {        
            a[i, j] = value;       
        }          
     }
   }
    B. 
    class Student 
{   
    int[ , ] a = new int[5, 5];  
    public int property WriteOnly   
    {        
           set    
           {            
            a[i, j] = value;        
           }     
      } 
  }
     
    C. 
     class Student
 {    
    int[ , ] a = new int[5, 5]; 
    public int this[int i, int j]    
    {       
        set     
        {         
           a[i, j] = value;   
        }   
     }  
  }
    D. 
    

 class Student
 {   
     int[ , ] a = new int[5, 5];    
     int i, j;     
     public int this     
     {          
          set         
          {            
             a[i, j] = value;      
          }
          
        }  
     }

    View Answer

    Workspace

    Discuss Discuss in Forum

  5. Which of the following statements are correct?

    1. The signature of an indexer consists of the number and types of its formal parameters.
    2. Indexers are similar to properties except that their accessors take parameters.
    3. Accessors of interface indexers use modifiers.
    4. The type of an indexer and the type of its parameters must be at least as accessible as the indexer itself.
    5. An interface accessor contains a body.

    6. A.
    1, 3, 5
    B.
    1, 2, 4
    C.
    3, 5
    D.
    2, 4

    View Answer

    Workspace

    Discuss Discuss in Forum

  6. If Sample class has a Length property with get and set accessors then which of the following statements will work correctly?

    1.  Sample.Length = 20;
    2.  Sample m = new Sample();
 m.Length = 10;
    3. Console.WriteLine(Sample.Length);
    4.  Sample m = new Sample(); 
 int len; 
 len = m.Length;
    5.  Sample m = new Sample();
 m.Length = m.Length + 20;

    7. A.

    1, 3
    B.

    2, 4, 5
    C.

    4 only
    D.

    3, 5

    View Answer

    Workspace

    Discuss Discuss in Forum

  7. Which of the following is the correct way to implement a write only property Length in a Sample class?

    8. A. 
     class Sample
 {   
     public int Length  
     {        
         set       
         {           
            Length = value;    
         }      
      } 
   }
    B. 
      class Sample
  {  
     int len;  
     public int Length 
     {        
         get     
         {           
             return len;     
         }       
         set        
         {        
               len = value;   
          }     
       }   
    }
    C. 
     class Sample
 {   
    int len;   
    public int Length    
    {         
        WriteOnly set      
        {            
            len = value;      
        }      
     }  
  }
    D. 
     class Sample
 {  
     int len;  
     public int Length   
     {       
         set    
         {          
             len = value;     
         }     
     } 
  }

    View Answer

    Workspace

    Discuss Discuss in Forum

  8. A property can be declared inside a namespace or a procedure.

    9. A.
    True
    B.
    False

    View Answer

    Workspace

    Discuss Discuss in Forum

  9. If a Student class has an indexed property which is used to store or retrieve values to/from an array of 5 integers, then which of the following are the correct ways to use this indexed property?

    1.  Student[3] = 34;


2. Student s = new Student();
   s[3] = 34;
    
3. Student s = new Student(); 
   Console.WriteLine(s[3]);


4. Console.WriteLine(Student[3]);
    
5. Student.this s = new Student.this();
    s[3] = 34;

    10. A.

    1, 2
    B.

    2, 3
    C.

    3, 4
    D.

    3, 5

    View Answer

    Workspace

    Discuss Discuss in Forum

  10. If Sample class has a Length property with set accessor then which of the following statements will work correctly?

    11. A. 
    Sample m = new Sample(); 
int l;
l= m.Length;
    B. 
    Sample m = new Sample();
m.Length = m.Length + 20;
    C. 
    Sample.Length = 20;
    D. 
    Console.WriteLine (Sample.Length);
    E. 
    Sample m = new Sample();
m.Length = 10;

    View Answer

    Workspace

    Discuss Discuss in Forum

Java Programming Questions and Answers Interview Questions and Answers