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    <p>What you are asking is nothing but operator overloading. <code>c1 and c2</code> are objects of <code>Class1</code>. Here <code>Extraction operator(&gt;&gt;) and + operator</code> has been overloaded. </p> <p>Check this out:-</p> <p><a href="http://www.cprogramming.com/tutorial/operator_overloading.html" rel="nofollow">Operator Overloading in C++</a></p> <p>Example of a class overloading >> and &lt;&lt; operator:- </p> <pre><code>#include &lt;iostream&gt; using namespace std; class Distance { private: int feet; // 0 to infinite int inches; // 0 to 12 public: // required constructors Distance(){ feet = 0; inches = 0; } Distance(int f, int i){ feet = f; inches = i; } friend ostream &amp;operator&lt;&lt;( ostream &amp;output, const Distance &amp;D ) { output &lt;&lt; "F : " &lt;&lt; D.feet &lt;&lt; " I : " &lt;&lt; D.inches; return output; } friend istream &amp;operator&gt;&gt;( istream &amp;input, Distance &amp;D ) { input &gt;&gt; D.feet &gt;&gt; D.inches; return input; } }; int main() { Distance D1(11, 10), D2(5, 11), D3; cout &lt;&lt; "Enter the value of object : " &lt;&lt; endl; cin &gt;&gt; D3; cout &lt;&lt; "First Distance : " &lt;&lt; D1 &lt;&lt; endl; cout &lt;&lt; "Second Distance :" &lt;&lt; D2 &lt;&lt; endl; cout &lt;&lt; "Third Distance :" &lt;&lt; D3 &lt;&lt; endl; return 0; } </code></pre> <p>Source:- <a href="http://www.tutorialspoint.com/cplusplus/input_output_operators_overloading.htm" rel="nofollow">http://www.tutorialspoint.com/cplusplus/input_output_operators_overloading.htm</a></p>
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    1. POAdding classes in c++?
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    1. USVivek Sadh
    1. USVivek Sadh
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    1. COThank you. I would give you a "useful answer" if I could lol... Whoever wrote that example is a perv, I mean... D.inches... really? Jk hehe
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