1    /* 
2     * This program will do a bit of character string processing. 
3     */
4    package stringthing;
5    
6    public class StringThing {
7        public static void main(String[] args) {
8            // POINT A: CREATE A PRINT SOME STRINGS THAT REPRESENT NAMES
9            String singer = "Holiday, Billie";
10           String sculptor = "Claudel, Camille";
11           String painter = "Picasso, Pablo";
12           String dancer = "Zotto, Osvaldo";
13           String self = "Mojumder, Shariar";
14   
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   
29           System.out.println("\nName lengths ...");
30           System.out.println(singerLength);
31           System.out.println(sculptorLength);
32           System.out.println(painterLength);
33           System.out.println(dancerLength);
34           System.out.println(selfLength);
35   
36           // POINT C: COMPUTE AND PRINT THE LOCATION OF THE COMMA WITHIN EACH STRING, NO LABELS
37           int singerCommaPosition=singer.indexOf(",");
38           int sculptorCommaPosition=sculptor.indexOf(",");
39           int painterCommaPosition=painter.indexOf(",");
40           int dancerCommaPosition=dancer.indexOf(",");
41           int selfCommaPosition=self.indexOf(",");
42   
43           System.out.println("\nComma positions ...");
44           System.out.println(singerCommaPosition);
45           System.out.println(sculptorCommaPosition);
46           System.out.println(painterCommaPosition);
47           System.out.println(dancerCommaPosition);
48           System.out.println(selfCommaPosition);
49   
50           // POINT D: COMPUTE AND PRINT THE FIVE FIRST NAMES, WITH NO LABELS
51           String singerFirst = singer.substring(9);
52           String sculptorFirst=sculptor.substring(9);
53           String painterFirst=painter.substring(9);
54           String dancerFirst=dancer.substring(7);
55           String selfFirst= self.substring(10);
56   
57           System.out.println("\nFirst names ...");
58           System.out.println(singerFirst);
59           System.out.println(sculptorFirst);
60           System.out.println(painterFirst);
61           System.out.println(dancerFirst);
62           System.out.println(selfFirst);
63   
64           // POINT E: COMPUTE AND PRINT THE FIVE LAST NAMES, WITH NO LABELS
65           String singerLast=singer.substring(0,7);
66           String sculptorLast=sculptor.substring(0,7);
67           String painterLast=painter.substring(0,7);
68           String dancerLast=dancer.substring(0,5);
69           String selfLast=self.substring(0,8);
70   
71           System.out.println("\nLast names ...");
72           System.out.println(singerLast);
73           System.out.println(sculptorLast);
74           System.out.println(painterLast);
75           System.out.println(dancerLast);
76           System.out.println(selfLast);
77   
78   
79           // POINT F: COMPUTE AND PRINT THE FIRST NAMES, AGAIN
80           System.out.println("\nFirst names, once again ...");
81           System.out.println(firstName(singer));
82           System.out.println(firstName(sculptor));
83           System.out.println(firstName(painter));
84           System.out.println(firstName(dancer));
85           System.out.println(firstName(self));
86   
87           // POINT G: COMPUTE AND PRINT THE LAST NAMES, AGAIN
88           System.out.println("\nLast names, once again ...");
89           System.out.println(lastName(singer));
90           System.out.println(lastName(sculptor));
91           System.out.println(lastName(painter));
92           System.out.println(lastName(dancer));
93           System.out.println(lastName(self));
94   
95           // POINT H: COMPUTE AND PRINT THE FULL NAMES, NATURAL STYLE
96              System.out.println("\nFull names, natural style ...");
97              System.out.println(fullName(singer));
98              System.out.println(fullName(sculptor));
99              System.out.println(fullName(painter));
100             System.out.println(fullName(dancer));
101             System.out.println(fullName(self));
102      }
103      private static String fullName(String dsn) {
104          return firstName(dsn) + " " + lastName(dsn);
105      }
106      private static String lastName(String directoryStyleName) {
107          int IndexOfComma = directoryStyleName.indexOf(",");
108          return directoryStyleName.substring(0,IndexOfComma);
109      }
110      private static String firstName(String directoryStyleName) {
111          int IndexOfSpace = directoryStyleName.indexOf(" ");
112          return directoryStyleName.substring(IndexOfSpace + 1);
113      }
114  }