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fiftyeight_tmp.cpp
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fiftyeight_tmp.cpp
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// OOPs - Classes and objects
// C++ --> initially called --> C with classes by stroustroup
// class --> extension of structures (in C)
// structures had limitations
// - members are public
// - No methods
// classes --> structures + more
// classes --> can have methods and properties
// classes --> can make few members as private & few as public
// structures in C++ are typedefed
// you can declare objects along with the class declarion like this:
/* class Employee{
// Class definition
} harry, rohan, lovish; */
// harry.salary = 8 makes no sense if salary is private
// Nesting of member functions
#include <iostream>
#include <string>
using namespace std;
class binary
{
private:
string s;
void chk_bin(void);
public:
void read(void);
void ones_compliment(void);
void display(void);
};
void binary::read(void)
{
cout << "Enter a binary number" << endl;
cin >> s;
}
void binary::chk_bin(void)
{
for (int i = 0; i < s.length(); i++)
{
if (s.at(i) != '0' && s.at(i) != '1')
{
cout << "Incorrect binary format" << endl;
exit(0);
}
}
}
void binary::ones_compliment(void)
{
chk_bin();
for (int i = 0; i < s.length(); i++)
{
if (s.at(i) == '0')
{
s.at(i) = '1';
}
else
{
s.at(i) = '0';
}
}
}
void binary::display(void)
{
cout << "Displaying your binary number" << endl;
for (int i = 0; i < s.length(); i++)
{
cout << s.at(i);
}
cout << endl;
}
int main()
{
binary b;
b.read(); // b.chk_bin();
b.display();
b.ones_compliment();
b.display();
return 0;
}