format decimal places java code example

Example 1: java format 2 decimal places

package org.arpit.java2blog;
 
public class StringFromatformatDouble {
 
    public static void main(String[] args) {
        double d = 2.456534;
        System.out.println("Double upto 2 decimal places: "+String.format("%.2f",d));
    }
}

Example 2: specify decimal places java

double test = 12.15;
DecimalFormat df = new DecimalFormat("#.0");
System.out.println(df.format(test)); // Console: 12.2
// # - prints a digit if provided, nothing otherwise
// . - indicates where to put the decimal seperator
// 0 - prints a digit if provided, 0 otherwise

Example 3: how to format a double in java to 2 decimal places

DecimalFormat df = new DecimalFormat("#.00");