StringThing.java
package stringthing;

public class StringThing {
    public static void main(String[] args) {
// POINT A: CREATE A PRINT SOME STRINGS THAT REPRESENT NAMES
        String singer = "Holiday, Billie";
        String sculptor = "Claudel,Camille";
        String painter = "Picasso, Pablo";
        String dancer = "Zotto,Osvaldo";
        String self = "Stein, Jacob";
        System.out.println("/nNames...");
        System.out.println(singer);
        System.out.println(painter);
        System.out.println(sculptor);
        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("nNames 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("/nCommaPostion  length");
        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, 15);
        String sculptorFirst = sculptor.substring(8, 15);
        String painterFirst = painter.substring(9, 14);
        String dancerFirst = dancer.substring(6, 13);
        String selfFirst = self.substring(6, 12);
        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, 6);
        String sculptorLast = sculptor.substring(0, 7);
        String painterLast = painter.substring(0, 7);
        String dancerLast = dancer.substring(0, 5);
        String selfLast = self.substring(0, 5);
        System.out.println("/Last 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 fullName(String directoryStyleName) {
        return firstName(directoryStyleName) + " " + lastName(directoryStyleName);

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

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


    }
}