Thread: what's wrong with my code?! OTL

I just started learning java because of school, and we have this machine exercise about money and denominations. My code seems right and no errors have been found. Moreover, when I input different numbers, the output is right except for one. When I input 2143.99, it adds up to 2143.98 only. I tried inputting 2143.98, and the output is correct. I tried 2143.97, but the output adds up to only 2143.96. I tried different decimals and I found out that it's correct for even-numbered decimals for 2143. I tried inputting 3143.99, 4143.99, 5143.99, and so on, and everything is correct. It seems like the only one wrong is 2143. Wth is wrong with it? HELP PLEASEEEE!

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You are probably using floating point numbers. Floating point numbers are not 100% accurate and certain values simply can not be represented with these.
If you want a soluton that is 100% accurate you should read up on Fixpoint numbers or BigDecimal.