Function Overloading

What is the output of following program?


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Practice Function Overloading –

What is the output of following program?

#include

using namespace std;

 

class Base

{

public:

    virtual void show() { cout<<" In Base 
"; }

};

 

class Derived: public Base

{

public:

    void show() { cout<<"In Derived 
"; }

};

 

int main(void)

{

    Base *bp = new Derived;

    bp->show();

 

    Base &br = *bp;

    br.show();

 

    return 0;

}

What will be the output of the following program?

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Practice Function Overloading –

What will be the output of the following program?

#include 

class Crackexams {   

  int x, y;     

  public:    

    void show(void); 

    void main(void); 

}; 

void Crackexams::show(void) {  

  Crackexams b;

  b.x = 2; 

  b.y = 4;  

  cout<< x << " " << y; 

} 

void Crackexams::main(void) {    

  Crackexams b;   

  b.x = 6;     

  b.y = 8;    

  b.show(); 

} 

int main(int argc, char *argv[]) {   

  Crackexams run; 

  run.main();  

  return 0; 

}

What will be the output of the following program?

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Practice Function Overloading –

What will be the output of the following program?

#include 

class Base {  

  int x, y;    

  public:    

    Base() { 

      x = y = 0; 

    }   

    Base(int xx) { 

      x = xx;   

    }    

    Base(int p, int q = 10) {  

      x = p + q;     

      y = q;   

    }      

    void Display(void) {  

      cout<< x << " " << y << endl;   

    } 

    objDefault(1, 1); 

};

class Derived: public Base {  

  Base obj;    

  public: 

    Derived(int xx, int yy): Base(xx, xx + 1) { }  

    Derived(Base objB = objDefault) { }

};  

int main() { 

  Derived objD(5, 3);  

  Derived *ptrD = new Derived(objD); 

  ptrD->Display();    

  delete ptrD;   

  return 0; 

}

Which of the following statement is correct about the program given

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Practice Function Overloading –

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

#include  

static int Result; 

class India {    

  public:     

    void Change(int x = 10, int y = 20, int z = 30)     {       

      cout<< x + y + z;    

    }    

    void Display(int x = 40, float y = 50.00)     {  

      Result = x % x;     

      cout<< Result;

    }

};

class Try {  

  int x, y; 

  public:    

    void Change(int x, int y = 50)     {   

      cout<< x + y; 

    } 

}; 

class Crackexams: public India, public Try { 

  public:    

    void Display(int x = 10, int xx = 100, int xxx = 1000)     { 

      Result = x + xx % x * x;  

      cout<< Result ; 

    } 

}; 

int main() {  

  Crackexams objTry; 

  objTry.India::Display(10, 20.00); 

  return 0;

}

Which of the following statement is correct about the program given

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Practice Function Overloading –

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

#include  

class LGArray {    

  int array[3][3];    

  public:     

    LGArray(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<< array[i][j] << " ";    

        }

      }

    }

}; 

int main() {   

  LGArray objBA;   

  objBA.Display();   

  return 0;  

}

Find the output of following program?


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Practice Function Overloading –

Find the output of following program?

#include

using namespace std;

 

class Base

{

public:

    virtual void show() = 0;

};

 

int main(void)

{

    Base b;

    Base *bp;

    return 0;

}

Which of the following approach is adapted by C++?

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Practice Function Overloading –

Which of the following approach is adapted by C++?

What is the error in the following code?


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Practice Function Overloading –

What is the error in the following code?

class t

{

  virtual void print();

}

 

A pure virtual function is a virtual function that

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Practice Function Overloading –

A pure virtual function is a virtual function that

Which of the following statements are correct?

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Practice Function Overloading –

Which of the following statements are correct?

  1. A struct can contain properties.
  2. A struct can contain constructors.
  3. A struct can contain protected data members.
  4. A struct cannot contain methods.
  5. A struct cannot contain constants.