import java.text.DecimalFormat;
import javax.swing.*;
public class decimalFormat {
public static void main(String[]args) {

  DecimalFormat df= new DecimalFormat("##,##0.00");
  String s= JOptionPane.showInputDialog(null,"Please enter a number");
  s= df.format(s);
  double t=Double.parseDouble(s);
  JOptionPane.showMessageDialog(null,"Your number rounded to two digits is");
  }
}