import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.math.BigDecimal;
public class Main {
public static void main
(String[] args
) { s.setDecimalSeparator(',');
s.setGroupingSeparator('.');
formatter.setDecimalFormatSymbols(s);
var numero
= new BigDecimal("10000999999999999999100.69"); System.
out.
println(formatter.
format(numero
)); }
}
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