import java.util.Formatter;
public class Main {
public static void main(String[] argv) throws Exception {
Formatter fmt = new Formatter();
fmt.format("Default precision: %f\n", 10.0 / 3.0);
fmt.format("Two decimal digits: %.2f\n\n", 10.0 / 3.0);
System.out.println(fmt);
}
}