1    /* 
2    * This program will do a 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 A PRINT SOME STRINGS THAT REPRESENT NAMES
10           String singer = "Holiday, Billie";
11           String sculptor = "Claudel, Camille";
12           String painter = "Picasso, Pablo";
13           String dancer = "Zotto, Osvaldo";
14           String self = "Amaratunga, Navya";
15   
16           System.out.println("\nNames ...");
17           System.out.println("Singer = " + singer);
18           System.out.println("Sculptor = " + sculptor);
19           System.out.println("Painter = " + painter);
20           System.out.println("Dancer = " + dancer);
21           System.out.println("Self = " + self);
22   
23   
24           // POINT B: COMPUTE AND PRINT THE LENGTHS OF THE STRINGS, WITHOUT LABELS
25   
26           int singerLength = singer.length();
27           int sculptorLength = sculptor.length();
28           int painterLength = painter.length();
29           int dancerLength = dancer.length();
30           int selfLength = self.length();
31   
32           System.out.println("\nName lengths ...");
33           System.out.println("Singer = " + singerLength);
34           System.out.println("Sculptor = " + sculptorLength);
35           System.out.println("Painter = " + painterLength);
36           System.out.println("Dancer = " + dancerLength);
37           System.out.println("Self = " + selfLength);
38   
39   
40           // POINT C: COMPUTE AND PRINT THE LOCATION OF THE COMMA WITHIN EACH STRING, NO LABELS
41   
42           int singerCommaPosition = singer.indexOf(",");
43           int sculptorCommaPosition = sculptor.indexOf(",");
44           int painterCommaPosition = painter.indexOf(",");
45           int dancerCommaPosition = dancer.indexOf(",");
46           int selfCommaPosition = self.indexOf(",");
47   
48           System.out.println("\nComma positions ...");
49           System.out.println("Singer = " + singerCommaPosition);
50           System.out.println("Sculptor = " + sculptorCommaPosition);
51           System.out.println("Painter = " + painterCommaPosition);
52           System.out.println("Dancer = " + dancerCommaPosition);
53           System.out.println("Self = " + selfCommaPosition);
54   
55   
56           // POINT D: COMPUTE AND PRINT THE FIVE FIRST NAMES, WITH NO LABELS
57   
58           String singerFirst = singer.substring(8);
59           String sculptorFirst = sculptor.substring(8);
60           String painterFirst = painter.substring(8);
61           String dancerFirst = dancer.substring(6);
62           String selfFirst = self.substring(11);
63   
64           System.out.println("\nFirst names ...");
65           System.out.println("Singer = " + singerFirst);
66           System.out.println("Sculptor = " + sculptorFirst);
67           System.out.println("Painter = " + painterFirst);
68           System.out.println("Dancer = " + dancerFirst);
69           System.out.println("Self = " + selfFirst);
70   
71           // POINT E: COMPUTE AND PRINT THE FIVE LAST NAMES, WITH NO LABELS
72   
73           String singerLast = singer.substring(0,7);
74           String sculptorLast = sculptor.substring(0,7);
75           String painterLast = painter.substring(0,7);
76           String dancerLast = dancer.substring(0,5);
77           String selfLast = self.substring(0,10);
78   
79           System.out.println("\nLast names ...");
80           System.out.println("Singer = " + singerLast);
81           System.out.println("Sculptor = " + sculptorLast);
82           System.out.println("Painter = " + painterLast);
83           System.out.println("Dancer = " + dancerLast);
84           System.out.println("Self = " + selfLast);
85   
86   
87           // POINT F: COMPUTE AND PRINT THE FIRST NAMES, AGAIN
88           System.out.println("\nFirst names, once again ...");
89           System.out.println(firstName(singer));
90           System.out.println(firstName(sculptor));
91           System.out.println(firstName(painter));
92           System.out.println(firstName(dancer));
93           System.out.println(firstName(self));
94   
95           // POINT G: COMPUTE AND PRINT THE LAST NAMES, AGAIN
96           System.out.println("\nLast names, once again ...");
97           System.out.println(lastName(singer));
98           System.out.println(lastName(sculptor));
99           System.out.println(lastName(painter));
100          System.out.println(lastName(dancer));
101          System.out.println(lastName(self));
102  
103         // POINT H: COMPUTE AND PRINT THE FULL NAMES, NATURAL STYLE
104         System.out.println("\nFull names, natural style ...");
105         System.out.println(fullName(singer));
106         System.out.println(fullName(sculptor));
107         System.out.println(fullName(painter));
108         System.out.println(fullName(dancer));
109         System.out.println(fullName(self));
110  
111      }
112  
113      private static String fullName(String directoryStyleName) {
114          int commaPos = directoryStyleName.indexOf(",");
115          return directoryStyleName.substring(commaPos + 2) + " " + directoryStyleName.substring(0,commaPos);
116      }
117  
118      private static String lastName(String directoryStyleName) {
119          int commaPos = directoryStyleName.indexOf(",");
120          return directoryStyleName.substring(0,commaPos);
121      }
122  
123      private static String firstName(String directoryStyleName) {
124          int commaPos = directoryStyleName.indexOf(",");
125          return directoryStyleName.substring(commaPos + 2);
126      }
127  
128  
129  }
130  
131  
132  
133