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POAdding objects data of a class?
 

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  1. POAdding objects data of a class?
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    <p>I was writing a program for adding 2 objects of a class.</p> <pre><code>//program for adding 2 objects data of same class #include&lt;iostream&gt; using namespace std; class distances { private: int feet; float inches; public: distances() //constructor { feet = 0; inches = 0.0; } distances(int f, float i) //constructor { feet = f; inches = i; } void get_data() //taking value { cout &lt;&lt; "Enter the distance in feet and inches :: " &lt;&lt; "\n"; cin &gt;&gt; feet &gt;&gt; inches; } void show_data() //showing data { cout &lt;&lt; "The distance in feet is ::" &lt;&lt; feet &lt;&lt; " and in inches is :: " &lt;&lt; inches; } void add(distances d1, distances d2); //adding to objects }; void distances::add(distances d1, distances d2) { inches = d1.inches + d2.inches; feet = 0; while(inches &gt;= 12) { inches = inches - 12; ++feet; } feet += d1.feet + d2.feet; } void main() { distances d1, d2, d3; d1.get_data(); d2.get_data(); d3.add(d1, d2); d3.show_data(); getch(); } </code></pre> <p>My program worked fine but my sir told that my approach of adding 2 objects was wrong ,although he didn't tell why.He told me that my approach won't work when I will add more objects. I don't know why my approach was wrong.My friend told me that my problem might be in the line <strong>d3.add(d1,d2);</strong></p> <p>Is that true?</p> <p>My second problem was that when I used class name,function name and constructor name as <strong>distance instead of distances</strong> then following error was coming</p> <pre><code>1&gt;c:\users\abc\documents\visual studio 2010\projects\pass\pass\pass.cpp(47): error C2872: 'distance' : ambiguous symbol 1&gt; could be 'c:\users\abc\documents\visual studio 2010\projects\pass\pass\pass.cpp(6) : distance' 1&gt; or 'c:\program files (x86)\microsoft visual studio 10.0\vc\include\xutility(899) : iterator_traits&lt;_Iter&gt;::difference_type std::distance(_InIt,_InIt)' </code></pre>
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    1. CO`main` is required to return an `int`. The proper way to add objects is to overload `operator+` and `operator+=`.
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      1. USchris
    2. COsorry chris ,i wanted to ask how to add value of 2 objects not the object itself.
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    3. COWith a name like `add`, I would much prefer an operator approach to a Java approach. What your critic is getting at is probably that you don't support chaining.
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