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So best way to convert String to double is by using valueOf() method. So then how can i approximate into two decimal places, pass the values in decimal format AND include thousand separator?Īnother advantage of using valueOf() to convert String to double or Double is that valueOf() can cache frequently used double value and since Double is an immutable object you can safely reuse object. Yet the returned vary comes in exponential for it has too many digits eg 2678765E9 this returns a very huge number (double), my aim is to return a double with two decimal placesīut i've failled and therefore decided to use Math.floor() does double to String conversion method takes care of all double values automatically ? What is string representation of Nan or Double.POSITIVE_INFINITY or Double.NEGATIVE_INFINITY. How to convert formatted double e.g up-to 2 decimal point or 3 decimal point to String in Java ? Also large value of double is represented in exponential format, which string that will be returned.
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