public class DoubleFor {

public static void main(String[] args) {

    for (double d = 0.1; d <= 1; d += 0.1 ){

        System.out.println("d = " + d);
    }
}

public class DoubleFor {

public static void main(String[] args) {
     for (double d = 0.1; d <= 1; d += 0.1 ){

            System.out.println("d = " + Math.round(d*10));
        }

}