Converting Base Type to Class Type (char to string)

class String

{ char *name;

int length;

public:

String(void)

{length =0;

name = new char[length+1];

}

String(char *s)

{length = strlen(s);

name = new char[length+1];//for null terminator strcpy(name,s);

}

void display(void)

{cout<

}

void join(String &a, String &b);

friend String operator+(String &a, String &b);

};

String operator+(String &a, String &b)

{String temp;

delete temp.name;

temp.length = a.length+b.length; temp.name = new char[temp.length+1]; strcpy(temp.name,a.name); strcat(temp.name,b.name);

return temp;

}

void String::join(String &a, String &b)

{length = a.length+b.length;

delete name;

name = new char[length+1];

strcpy(name,a.name);

strcat(name,b.name);

};

void main()

{

char *first="Electronic ";

String name1(first); String name2("and Communication ");String name3("Engineering");

String s1,s2; s1.join(name1,name2); s2.join(s1,name3); s1=name1+name2; s2=s1+name3;

name1.display();name2.display();name3.display();

s1.display();

s2.display();

}