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Discussion :: Functions - C++

Which of the following statement is correct about the program given below?

  #include
  class GateArray 
  {
     int array[3][3];  
     public:   
     GateArray(int arr[3][3] = NULL)   
     {         
        if(arr != NULL)      
        for(int i = 0; i 3; i++)              
           for(int j = 0; j 3; j++)                  
        array[i][j] = i+j; 
    }   
    void Display(void)  
    {      
       for(int i = 0; i 3; i++)              
          for(int j = 0; j 3; j++)                 
             cout" ";           
   }
 };
 int main()
 {     
    GateArray objBA; 
    objBA.Display();  
    return 0; 
 }