Getting smallest possible Double value

ChoiceFormat class can be used to get smallest possible Double value.

Code:

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                    double d = 1.2;
                    double d1 = ChoiceFormat.previousDouble(d);
                    double d2 = ChoiceFormat.nextDouble(d);
                    System.out.println(d1);
                    System.out.println(d2);

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Output:

Code:

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1.1999999999999997
1.2000000000000002

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