How to Format Doubles to Two Decimal Places in Java?

Double Decimal Formatting in Java

Formatting decimals of a double can be a common task in Java programming. For instance, if you have a double value like 4.0 and you want to format it as 4.00, there are various approaches to achieve this.

One effective method is to utilize the NumberFormat class. To do this, follow these steps:

1. Create an instance of DecimalFormat:

NumberFormat formatter = new DecimalFormat("#0.00");

2. Use the format() method to format the double value:

System.out.println(formatter.format(4.0));

3. The output will be:

4.00

By employing the DecimalFormat class, you can efficiently format double values to have a specific number of decimal places, ensuring that decimals are displayed as desired.

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