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Editorial Team
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Asked: 2026-05-11T21:12:04+00:00

Why does this code sometimes return 1E+1 whilst for other inputs (e.g. 17) the

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Why does this code sometimes return 1E+1 whilst for other inputs (e.g. 17) the output is not printed in scientific notation?

BigDecimal bigDecimal = BigDecimal.valueOf(doubleValue).multiply(BigDecimal.valueOf(100d)).stripTrailingZeros();
System.out.println("value: " + bigDecimal);
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1 Answer

  1. Editorial Team

    use bigDecimal.toPlainString():

     BigDecimal bigDecimal = BigDecimal.valueOf(100000.0)
                     .multiply(BigDecimal.valueOf(100d))
                     .stripTrailingZeros();
 System.out.println("plain      : " + bigDecimal.toPlainString());
 System.out.println("scientific : " + bigDecimal.toEngineeringString());

    outputs:

    plain      : 10000000
scientific : 10E+6
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