double amount1 = 2.15;
double amount2 = 1.10;
System.out.println(amount1 - amount2);
-------
1.0499999999999998
Why above code produces 1.0499999999999998
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user8355591
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Try out `0.1 + 0.2` should return smth like `0.30000004`. Its because how floating point numbers and binary work. Maybe this is interesting for you: https://www.youtube.com/watch?v=PZRI1IfStY0&t=230s – René Jul 22 '20 at 05:44
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https://floating-point-gui.de/ – Jul 22 '20 at 06:07