CS1 Standard Demo Page

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package stringthing;

/**
 *
 * @author ecuevas
 */
public class StringThing {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // POINT A: CREATE A PRINT SOME STRING THST REPRESENT NAMES
        String singer = "Holiday, Billie";
        String sculptor = "Claudel, Camille";
        String painter = "Picasso, Pablo";
        String dancer = "Zotto, Osvaldo";
        String self = "Cuevas, Eric";
        System.out.println("\nNames...");
        System.out.println(singer);
        System.out.println(sculptor);
        System.out.println(painter);
        System.out.println(dancer);
        System.out.println(self);

        //POINT B: COMPUTE AND PRINT THE LENGTHS OF THE STRINGS, WITHOUT LABELS
        int singerLength = singer.length();
        int sculptorLength = sculptor.length();
        int painterLength = painter.length();
        int dancerLength = dancer.length();
        int selfLength = self.length();
        System.out.println("\nName lengths...");
        System.out.println(singerLength);
        System.out.println(sculptorLength);
        System.out.println(painterLength);
        System.out.println(dancerLength);
        System.out.println(selfLength);

        //POINT C: COPMUTE AND PRINT THE LOCATION OF THE COMMA WITHIN EACH STRING, NO LABELS
        int singerCommaPosition = singer.indexOf(",");
        int sculptorCommaPosition = sculptor.indexOf(",");
        int painterCommaPosition = painter.indexOf(",");
        int dancerCommaPosition = dancer.indexOf(",");
        int selfCommaPosition = self.indexOf(",");
        System.out.println("\nComma positions...");
        System.out.println(singerCommaPosition);
        System.out.println(sculptorCommaPosition);
        System.out.println(painterCommaPosition);
        System.out.println(dancerCommaPosition);
        System.out.println(selfCommaPosition);

        // POINT D: COMPUTE AND PRINT THE FIVE FIRST NAMES, WITH NO LABELS
        String singerFirst = singer.substring(singerCommaPosition + 2);
        String sculptorFirst = sculptor.substring(sculptorCommaPosition + 2);
        String paintererFirst = painter.substring(painterCommaPosition + 2);
        String dancerFirst = dancer.substring(dancerCommaPosition + 2);
        String selfFirst = self.substring(selfCommaPosition + 2);
        System.out.println("\nFirst names...");
        System.out.println(singerFirst);
        System.out.println(sculptorFirst);
        System.out.println(paintererFirst);
        System.out.println(dancerFirst);
        System.out.println(selfFirst);

        // POINT E: COMPUTE AND PRINT THE FIVE LAST NAMES, WITH NO LABELS
        String singerLast = singer.substring(0, singerCommaPosition);
        String sculptorLast = sculptor.substring(0, sculptorCommaPosition);
        String paintererLast = painter.substring(0, painterCommaPosition);
        String dancerLast = dancer.substring(0, dancerCommaPosition);
        String selfLast = self.substring(0, selfCommaPosition);
        System.out.println("\nLast names...");
        System.out.println(singerLast);
        System.out.println(sculptorLast);
        System.out.println(paintererLast);
        System.out.println(dancerLast);
        System.out.println(selfLast);

        //POINT F: COMPUTE AND PRINT THE FIRST NAMES, AGAIN
        System.out.println("\nFirst names, once again...");
        System.out.println(firstName(singer));
        System.out.println(firstName(sculptor));
        System.out.println(firstName(painter));
        System.out.println(firstName(dancer));
        System.out.println(firstName(self));

        // POINT G: COPMUTE AND PRINT THE LAST NAMES, AGAIN
        System.out.println("\nLast names, once again...");
        System.out.println(lastName(singer));
        System.out.println(lastName(sculptor));
        System.out.println(lastName(painter));
        System.out.println(lastName(dancer));
        System.out.println(lastName(self));

        // POINT H: COPMUTE AND PRINT THE FULL NAMES, NATURAL STYLE
        System.out.println("\nFull names, natural style...");
        System.out.println(fullName(singer));
        System.out.println(fullName(sculptor));
        System.out.println(fullName(painter));
        System.out.println(fullName(dancer));
        System.out.println(fullName(self));

    }

    private static String firstName(String directoryStyleName) {
        int commaPosition = directoryStyleName.indexOf(",");
        return directoryStyleName.substring(commaPosition + 2);
    }

    private static String lastName(String directoryStyleName) {
        int commaPosition = directoryStyleName.indexOf(",");
        return directoryStyleName.substring(0, commaPosition);
    }

    private static String fullName(String dsn) {
        String full = firstName(dsn) + " " + lastName(dsn);
        return full;
    }

}