Stringstreams

* How does stringstream work?

Someone kind of explained it like, in cout it sends it to “standard out stream” or something, and using stringstream, you stream it into that instead.

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stringstream a; int b=12;  a << b;

stringstream a; int b=12; a

* How can it convert characters into int and such?

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char a = '2';
int b;
stringstream c;
c << a;
c >> b;

//now b = 2

char a = '2';<br /><br />int b;<br /><br />stringstream c;<br /><br />c > b;</p><br /><p>//now b = 2

* How can you do this? I remember someone doing something similar like:

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 stringstream d(a1) >> b;

stringstream d(a1) >> b;

But that doesn't work for me. Saying it expected a , or ; before >> token.

* Where does the garbage value come from?

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    string a1="13", a2="25";
    int b,c;
    stringstream d;

    d << a1;
    d >> b;

    d << a2;
    d >>c;

string a1="13", a2="25";<br /><br /> int b,c;<br /><br /> stringstream d;</p><br /><p> d > b;</p><br /><p> d >c;

c produces some garbage value, but where is that garbage value coming from?

I can understand a pointer pointing somewhere random, getting a garbage value, but this?

25 -> d -> c. I don't get it?

http://bit.ly/qwTuFT