#27_Friend Classes and Member Friend Function in C++

By

 #include <iostream>

using namespace std;
//Friend Classes and Member Friend Function
class complex; //Forward declaration
class sumcomplex
{
public:
    void SumRealComplex(complex o1, complex o2);
    void SumComplexPart(complex o1, complex o2);
};

class complex
{
    int c1, c2;

public:
    // friend void sumcomplex::SumRealComplex(complex, complex); 
        --->Member friend function
    // friend void sumcomplex::SumComplexPart(complex, complex);
    friend class sumcomplex; //Friend class
    void setcomplex(int a, int b)
    {
        c1 = a;
        c2 = b;
    }
};

void sumcomplex::SumRealComplex(complex o1, complex o2)
{
    cout << "The sum of Real Parameters is : " << o1.c1 + o2.c1 << endl;
}

void sumcomplex::SumComplexPart(complex o1, complex o2)
{
    cout << "The sum of Complex parameter is : " << o1.c2 + o2.c2 << endl;
}

int main()
{
    complex o1, o2;
    o1.setcomplex(4, 2);
    o2.setcomplex(7, 5);
    sumcomplex sum1, sum2;
    sum1.SumRealComplex(o1, o2);
    sum2.SumComplexPart(o1, o2);
    return 0;
}

Comments

Post a Comment

Popular posts from this blog

#19_(2)Functions in C

By
  # include   <stdio.h> //With argument without return value void   mohit ( int   n ) {      for  ( int   i  =  1 ;  i  <  n ;  i ++)     {          printf ( "%c \n " ,  '*' );    //without return value     }      } int   main () {      mohit ( 5 );     //With argument      return   0 ; }
Read more

Ch7_32_MethodOverloading

By
  package com.company ; public class Ch7_32_MethodOverloading { static void greet () { // no return type (void) with no parameters System . out . println ( "Hello, Nice to meet you" ); } static void add ( int x , int y ) { // void return with parameter x and y int z = x + y ; System . out . println ( "The addition of " + x + " and " + y + " is: " + z ); } static void func () { System . out . println ( "The function has no value in it." ); } static void func ( int x ) { System . out . println ( "The value in the function is : " + x ); } static void func ( int x , int y ) { System . out . println ( "The value in the function is : " + x + " " + y ); } static void func ( int x , int y , int x1 ) { System . out . println ( "The value in the function is : " + x + " " + y + " " + x1 ); ...
Read more

#72_Function Pointers in C

By
  #include   <stdio.h> int   sum ( int   a ,  int   b ) {      return   a  +  b ; } void   func1 ( int  (* fptr )( int ,  int )) {      printf ( "Hello user \n " );      printf ( "The sum of 2 and 2 is %d \n " ,  fptr ( 2 ,  2 )); } void   func2 ( int  (* fptr )( int ,  int )) {      printf ( "Hello word \n " );      printf ( "The sum of 10 and 2 is%d \n " ,  fptr ( 10 ,  2 )); } int   main () {      printf ( "The addition of 6 and 4 is:%d \n " ,  sum ( 6 ,  4 ));      int  (* fptr )( int ,  int );                     //decl...
Read more