1    /* 
2    * This program will do a little bit of character string processing 
3     */
4    
5    package stringthing;
6    
7    public class StringThing {
8        public static void main(String[] args){
9            //POINT A: CREATE AND PRINT SOME STRINGS THAT REPRESENT NAMES
10           String singer = "Holiday, Billie";
11           String sculptor = "Claudel, Camille";
12           String painter = "Piccaso, Pablo";
13           String dancer = "Zotto, Osvaldo";
14           String self = "LaRosa, Danielle";
15           System.out.println("\nNames ...");
16           System.out.println(singer);
17           System.out.println(sculptor);
18           System.out.println(painter);
19           System.out.println(dancer);
20           System.out.println(self);
21   
22           //POINT B: COMPUTE AND PRINT THE LENGTHS OF THE STRINGS, WITHOUT LABELS
23           int singerLength = singer.length();
24           int sculptorLength = sculptor.length();
25           int painterLength = painter.length();
26           int dancerLength = dancer.length();
27           int selfLength = self.length();
28           System.out.println("\nNames lengths ...");
29           System.out.println("singerLength = " + singerLength);
30           System.out.println("sculptorLength = " + sculptorLength);
31           System.out.println("painterLength = " + painterLength);
32           System.out.println("dancerLength = " + dancerLength);
33           System.out.println("selfLength = " + selfLength);
34   
35           //POINT C: COMPUTE AND PRINT THE LOCATION OF THE COMA WITHIN EACH STRING, NO LABELS
36           int singerCommaPosition = singer.indexOf(",");
37           int sculptorCommaPosition = sculptor.indexOf(",");
38           int painterCommaPosition = painter.indexOf(",");
39           int dancerCommaPosition = dancer.indexOf(",");
40           int selfCommaPosition = self.indexOf(",");
41           System.out.println("\nComma positions ...");
42           System.out.println("singerCommaPosition = " + singerCommaPosition);
43           System.out.println("sculptorCommaPosition = " + sculptorCommaPosition);
44           System.out.println("painterCommaPosition = " + painterCommaPosition);
45           System.out.println("dancerCommaPosition = " + dancerCommaPosition);
46           System.out.println("selfCommaPosition = " + selfCommaPosition);
47   
48           //POINT D: COMPUTE AND PRINT THE FIVE FIRST NAMES, WITH NO LABELS
49           String singerFirst = singer.substring(2 + singerCommaPosition);
50           String sculptorFirst = sculptor.substring(2 + sculptorCommaPosition);
51           String painterFirst = painter.substring(2 + painterCommaPosition);
52           String dancerFirst = dancer.substring(2 + dancerCommaPosition);
53           String selfFirst = self.substring(2 + selfCommaPosition);
54           System.out.println("\nFirst names ...");
55           System.out.println("singerFirst(9) = " + singerFirst);
56           System.out.println("sculptorFirst(9) = " + sculptorFirst);
57           System.out.println("painterFirst(9) = " + painterFirst);
58           System.out.println("dancerFirst(7) = " + dancerFirst);
59           System.out.println("selfFirst(8) = " + selfFirst);
60   
61   
62           //POINT E: COMPUTE AND PRINT THE FIVE LAST NAMES, WITH NO LABELS
63           String singerLast = singer.substring(0, singerCommaPosition);
64           String sculptorLast = sculptor.substring(0, sculptorCommaPosition);
65           String painterLast = painter.substring(0, painterCommaPosition);
66           String dancerLast = dancer.substring(0, dancerCommaPosition);
67           String selfLast = self.substring(0, selfCommaPosition);
68           System.out.println("\nLast names ...");
69           System.out.println("singerLast(0,7) = " + singerLast);
70           System.out.println("sculptorLast(0,7) = " + sculptorLast);
71           System.out.println("painterLast(0,7) = " + painterLast);
72           System.out.println("dancerLast(0,5) = " + dancerLast);
73           System.out.println("selfLast(0,6) = " + selfLast);
74   
75   
76           //POINT F: COMPUTE AND PRINT THE FIRST NAMES, AGAIN
77           System.out.println("\nFirst names, once again ...");
78           System.out.println(firstName(singer));
79           System.out.println(firstName(sculptor));
80           System.out.println(firstName(painter));
81           System.out.println(firstName(dancer));
82           System.out.println(firstName(self));
83   
84           //POINT G: COMPUTE AND PRINT THE LAST NAMES, AGAIN
85           System.out.println("\nLast names, once again ...");
86           System.out.println(lastName(singer));
87           System.out.println(lastName(sculptor));
88           System.out.println(lastName(painter));
89           System.out.println(lastName(dancer));
90           System.out.println(lastName(self));
91   
92           //POINT H: COMPUTE AND PRINT THE FULL NAMES, NATURAL STYLE
93           System.out.println("\nFull names, once again ...");
94           System.out.println(fullName(singer));
95           System.out.println(fullName(sculptor));
96           System.out.println(fullName(painter));
97           System.out.println(fullName(dancer));
98           System.out.println(fullName(self));
99   
100      }
101  
102      private static String fullName(String directoryStyleName) {
103          int commaPosition = directoryStyleName.indexOf(",");
104          String fullName = directoryStyleName.substring(2 + commaPosition) + " " + directoryStyleName.substring(0, commaPosition);
105          return fullName;
106      }
107  
108      private static String lastName(String directoryStyleName) {
109          int commaPosition = directoryStyleName.indexOf(",");
110          String last = directoryStyleName.substring(0, commaPosition);
111          return last;
112      }
113  
114      private static String firstName(String dsn) {
115          int commaPosition = dsn.indexOf(",");
116          String first = dsn.substring(2 + commaPosition);
117          return first;
118  
119      }
120  }
121