java decimalformat

 
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));
    }
}
 

String pattern = "###,###.###";
DecimalFormat decimalFormat = new DecimalFormat(pattern);