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C# Programming :: Constructors

Constructors - General Questions

  1. Is it possible to invoke Garbage Collector explicitly?

    2. A.
    Yes
    B.
    No

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

     class Sample
 {   
     static int i;   
     int j;   
     public void proc1()    
     {         
          i = 11;        
          j = 22;    
     }
     public static void proc2()     
     {
          i = 1;         
          j = 2;     
    } 
    static Sample()     
    {
         i = 0;         
         j = 0;   
    } 

}

     

    3. A.

    i cannot be initialized in proc1().
    B.

    proc1() can initialize i as well as j.
    C.

    j can be initialized in proc2().
    D.

    The constructor can never be declared as static.
    E.

    proc2() can initialize i as well as j.

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  3. Which of the following statements is correct?

    4. A.
    There is one garbage collector per program running in memory.
    B.
    There is one common garbage collector for all programs.
    C.
    An object is destroyed by the garbage collector when only one reference refers to it.
    D.
    We have to specifically run the garbage collector after executing Visual Studio.NET.

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  4. Is it possible for you to prevent an object from being created by using zero argument constructor?

    5. A.
    Yes
    B.
    No

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  5. Which of the following statements are correct about static functions?

    6. A.
    Static functions are invoked using objects of a class.
    B.
    Static functions can access static data as well as instance data.
    C.
    Static functions are outside the class scope.
    D.
    Static functions are invoked using class.

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  6. What will be the output of the C#.NET code snippet given below?

    namespace FreshergateConsoleApplication {      class Sample  
       {       
           static Sample()      
           {              
               
          Console.Write("Sampleclasn");         
           }      
          public static void GATE1()           
          {             
          Console.Write("GATE1 method ");         
          }   
      }      
       class MyProgram   
     {         
       static void Main(string[ ] args)         
       {          
          Sample.GATE1();    
      }    
   }  
}

    7. A.

    Sample class Gate1 method
    B.

    Gate1 method
    C.

    Sample class
    D.

    Gate1 method Sample class
    E.

    Sample class Sample class

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  7. Which of the following statements is correct about constructors in C#.NET?

    8. A.
    A constructor cannot be declared as private.
    B.
    A constructor cannot be overloaded.
    C.
    A constructor can be a static constructor.
    D.
    A constructor cannot access static data.
    E.
    this reference is never passed to a constructor.

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  8. What will be the output of the C#.NET code snippet given below?

     namespace FreshergateConsoleApplication
 {   
   class Sample   
   {        
        public static void fun1()      
        {            
          Console.WriteLine("Gate1 method");          
        }     
        public void fun2()     
        {            
            fun1();              
            Console.WriteLine("Gate2 method");          
        }   
        public void fun2(int i)       
        {            
           Console.WriteLine(i);             
           fun2();    
        }    
   }    
   class MyProgram    
   {         
    static void Main(string[ ] args)         
    {             
         Sample s = new Sample();              
         Sample.fun1();     
         s.fun2(123);     
    }     
  }  
}

     

     

    9. A. 
     Gate1 method 
 123
 Gatel method
 Gate2 method
    B. 
     Gate1 method 
 123 
 Gate2 method
    C. 
      Gate2 method
  123
  Gate2 method  
  Gatel method
    D. 
     Gatel method
 123
    E. 
      Gate2 method
  123 
  Gatel method

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