CS1 Standard Demo Page

/*
 *This will do a bit of character string processing.
 */
package stringthing;

public class StringThing {
    public static void main(String[] args){
        //Point A : Create a print some strings that represents names
        String singer = "Holiday, Billie";
        String sculptor = "Claudel, Camille";
        String painter = "Picasso, Pablo";
        String dancer = "Zotto, Osvaldo";
        String self = "Ekanem, Edima";
        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: Compute 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(8);
        String sculptorFirst = sculptor.substring(8);
        String painterFirst = painter.substring(8);
        String dancerFirst = dancer.substring(6);
        String selfFirst = self.substring(7);
        System.out.println("\nFirst names ... ");
        System.out.println(singerFirst);
        System.out.println(sculptorFirst);
        System.out.println(painterFirst);
        System.out.println(dancerFirst);
        System.out.println(selfFirst);

        //Point E: Compute and print the five last names, with no labels
        String singerLast = singer.substring(0,7);
        String sculptorLast = sculptor.substring(0,7);
        String painterLast = painter.substring(0,7);
        String dancerLast = dancer.substring(0,5);
        String selfLast = self.substring(0,6);
        System.out.println("\nLast names ... ");
        System.out.println(singerLast);
        System.out.println(sculptorLast);
        System.out.println(painterLast);
        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: Compute 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: Compute 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 positionOfComma = directoryStyleName.indexOf(",");
        String firstName = directoryStyleName.substring(positionOfComma + 2);
        return firstName;
    }
    private static String lastName(String directoryStyleName) {
        int positionOfComma = directoryStyleName.indexOf(",");
        String lastName = directoryStyleName.substring(0, positionOfComma);
        return lastName;
    }
    private static String fullName(String directoryStyleName){
        return firstName(directoryStyleName) + " " + lastName(directoryStyleName);
    }
}