How can I convert String to Double without losing precision in Java?

Question

Tried as below

String d=new String(\"12.00\");
Double dble =new Double(d.valueOf(d));
System.out.println(dble);

Output: 12.0

But i

Answer 1

If you want to format output, use PrintStream#format(...):

System.out.format("%.2f%n", dble);

There %.2f - two places after decimal point and %n - newline character.

UPDATE:

If you don't want to use PrintStream#format(...), use DecimalFormat#format(...).