Converting String containing large decimal numbers to decimal number using java

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Java

string

i have been trying to convert large decimal values in string, which i get from database into decimal.
the values are converted to exponents by parse double method...
can i do something to get the exact value.

value in database : 36319512.42

string to decimal conversion gives: 3.631951242E7

expected decimal value : 36319512.42 (independent of how long the no. is)

method used:


String ab= rs.getString(1);
double1 = Double.parseDouble(ab);
DecimalFormat df = new DecimalFormat("0.00");
df.setMaximumFractionDigits(2);
df.format(double1);


System.out.println("ab: "+ ab );
System.out.println("double1: "+ double1);