C Programming

When would a structure variable get destroyed?

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Practice OOPS Concepts –

When would a structure variable get destroyed?

Which of the following statements are correct?

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Practice References –

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.

How many bytes will the structure variable samp occupy in

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Practice OOPS Concepts –

How many bytes will the structure variable samp occupy in memory if it is defined as shown below?

class Trial {

  int i;

  Decimal d; 

}

struct Sample { 

  private int x; 

  private Single y;

  private Trial z;

}

Sample samp = new Sample();

Which of the following is the correct way to define a variable of t

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Practice OOPS Concepts –

Which of the following is the correct way to define a variable of the type struct Emp declared below?

struct Emp {

  private String name; 

  private int age; 

  private Single sal;

}
  1. Emp e(); e = new Emp();
  2. Emp e = new Emp;
  3. Emp e; e = new Emp;
  4. Emp e = new Emp();
  5. Emp e;

Which of the following is the correct way of setting values into th

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Practice OOPS Concepts –

Which of the following is the correct way of setting values into the structure variable e defined below?

struct Emp { 

  public String name; 

  public int age; 

  public Single sal;

}

Emp e = new Emp();

In C++, dynamic memory allocation is accomplished with the operator

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Practice Memory Management –

In C++, dynamic memory allocation is accomplished with the operator ____________.

Find the output of the following program for n=5

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Practice OOPS Concepts –

Find the output of the following program for n=5

int foo(int n) {

    if(n == 0)

        return 1;

    else {

        int sum = 0;

        for(int i=foo(n-1); i<n; i++)

            sum += foo(i);

    }

    return sum;

}

 

Which of the following statements are true in c++?

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Practice OOPS Concepts –

Which of the following statements are true in c++?

Which of the following expressions is illegal? 

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Practice Templates –

Which of the following expressions is illegal? 

What will be the output of the following program?

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Practice File Handling –

What will be the output of the following program?

#include<iostream.h>  

int main() {     

  int x = 10, y = 20; 

  int *ptr = &x;   

  int &ref = y;    

  *ptr++;   

  ref++;     

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

  return 0; 

}