import java.text.*;
class FormatPercent
{
public static void main(String[] args)
{
NumberFormat fmt = NumberFormat.getPercentInstance();
System.out.println(fmt.format(.1));
System.out.println(fmt.format(.123));
System.out.println(fmt.format(.126));
System.out.println(fmt.format(1.23));
}
}
/* Output:
10%
12%
13%
123%
*/