Formatting Double Value in Java

0 votes

I am dealing with lot of double values in my application, is there is any easy way to handle the formatting of decimal values in Java?

Is there any other better way of doing it than

 DecimalFormat df = new DecimalFormat("#.##");

What i want to do basically is format double values like

23.59004  to 23.59

35.7  to 35.70

3.0 to 3.00

9 to 9.00
May 15, 2018 in Java by developer_1
• 3,310 points
1,883 views

1 answer to this question.

0 votes

An alternative is to use String.format:

double[] arr = { 23.59004,
    35.7,
    3.0,
    9
};

for ( double dub : arr ) {
  System.out.println( String.format( "%.2f", dub ) );
}

output:

23.59
35.70
3.00
9.00

You could also use System.out.format (same method signature), or create a java.util.Formatterwhich works in the same way.

answered May 15, 2018 by Rishabh
• 3,620 points

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