Welcome to the Functions in C++ MCQs Page
Dive deep into the fascinating world of Functions in C++ with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Functions in C++, a crucial aspect of Object Oriented Programming Using C++. In this section, you will encounter a diverse range of MCQs that cover various aspects of Functions in C++, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Object Oriented Programming Using C++.
Check out the MCQs below to embark on an enriching journey through Functions in C++. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Object Oriented Programming Using C++.
Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Functions in C++. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!
Functions in C++ MCQs | Page 24 of 30
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#include<iostream.h>
#include<string.h>
class Compscibits
{
char txtMsg[50];
public:
Compscibits(char *str = NULL)
{
if(str != NULL)
strcpy(txtMsg, str);
}
int BitsFunction(char ch);
};
int Compscibits::BitsFunction(char ch)
{
static int i = 0;
if(txtMsg[i++] == ch)
return strlen((txtMsg + i)) - i;
else
return BitsFunction(ch);
}
int main()
{
Compscibits objBits("Welcome to Compscibits.com!");
cout<< objBits.BitsFunction('t');
return 0;
}#include<iostream.h>
#include<string.h>
#include<malloc.h>
class BitsString
{
char txtName[20];
public:
BitsString(char *txtTemp = NULL)
{
if(txtTemp != NULL)
strcpy(txtName, txtTemp);
}
void Display(void)
{
cout<<txtName;
}
};
int main()
{
char *txtName = (char*)malloc(10);
strcpy(txtName, "Compscibits");
*txtName = 48;
BitsString objTemp(txtName);
cout<< sizeof(txtName);
return 0;
}#include<iostream.h>
class Compscibits
{
int x, y, z;
public:
Compscibits(int x = 100, int y = 30, int z = 0)
{
this->x = x;
this->y = y;
this->z = z;
Display();
}
void Display()
{
cout<< x << " " << y << " " << z;
}
};
int main()
{
int a = 0, b = 1, c = 2;
int &x = ++a;
int &y = --b;
int z = c + b - -c;
Compscibits objBits(x, y, z);
return 0;
}#include<iostream.h>
class BitsArray
{
int array[3][3];
public:
BitsArray(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()
{
BitsArray objBA;
objBA.Display();
return 0;
}#include<iostream.h>
struct Compscibits
{
int arr[5];
public:
void BitsFunction(void);
void Display(void);
};
void Compscibits::Display(void)
{
for(int i = 0; i < 5; i++)
cout<< arr[i] << " " ;
}
void Compscibits::BitsFunction(void)
{
static int i = 0, j = 4;
int tmp = arr[i];
arr[i] = arr[j];
arr[j] = tmp ;
i++;
j--;
if(j != i) BitsFunction();
}
int main()
{
Compscibits objBits = {{ 5, 6, 3, 9, 0 }};
objBits.BitsFunction();
objBits.Display();
return 0;
}#include<iostream.h>
class Compscibits
{
int x;
float y;
public:
Compscibits(int x)
{
x = x;
}
Compscibits(int p = 0, int q = 10)
{
x = p += 2;
y = q * 1.0f;
}
void SetValue(int &y, float z)
{
x = y;
y = (int)z;
}
void Display(void)
{
cout<< x;
}
};
int main()
{
int val = 12;
Compscibits objBits(val);
Compscibits objTmp();
objBits.SetValue(val, 3.14f);
objBits.Display();
return 0;
}#include<iostream.h>
struct BitsArray
{
int arr[5];
public:
void BitsFunction();
void Display();
};
void BitsArray::BitsFunction()
{
static int i = 0, j = 4;
i++;
j--;
if(j > 0)
BitsFunction();
int tmp = arr[i];
arr[i] = arr[j];
arr[j] = tmp;
i--;
j++;
}
void BitsArray::Display()
{
for(int i = 0; i < 5; i++)
cout<< arr[i] << " ";
}
int main()
{
BitsArray objArr = {{5, 6, 3, 9, 0}};
objArr.BitsFunction();
objArr.Display();
return 0;
}#include<iostream.h>
#include<string.h>
class BitsString
{
char x[50];
char y[50];
char z[50];
public:
BitsString()
{ }
BitsString(char* xx)
{
strcpy(x, xx);
strcpy(y, xx);
}
BitsString(char *xx, char *yy = " C++", char *zz = " Programming!")
{
strcpy(z, xx);
strcat(z, yy);
strcat(z, zz);
}
void Display(void)
{
cout<< z << endl;
}
};
int main()
{
BitsString objStr("Learn", " Java");
objStr.Display();
return 0;
}#include<iostream.h>
class BaseCounter
{
protected:
long int count;
public:
void CountIt(int x, int y = 10, int z = 20)
{
count = 0;
cout<< x << " " << y << " " << z << endl;
}
BaseCounter()
{
count = 0;
}
BaseCounter(int x)
{
count = x ;
}
};
class DerivedCounter: public BaseCounter
{
public:
DerivedCounter()
{ }
DerivedCounter(int x): BaseCounter(x)
{ }
};
int main()
{
DerivedCounter objDC(30);
objDC.CountIt(40, 50);
return 0;
}#include<iostream.h>
class Number
{
int Num;
public:
Number(int x = 0)
{
Num = x;
}
void Display(void)
{
cout<< Num;
}
void Modify();
};
void Number::Modify()
{
int Dec;
Dec = Num % 13;
Num = Num / 13;
if(Num > 0 ) Modify() ;
if(Dec == 10) cout<< "A" ;
else if(Dec == 11) cout<< "B" ;
else if(Dec == 12) cout<< "C" ;
else if(Dec == 13) cout<< "D" ;
else cout<< Dec ;
}
int main()
{
Number objNum(130);
objNum.Modify();
return 0;
}Suggested Topics
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