1    /* 
2     * Program to illustrate some basic character string processing functionality. 
3     */
4    package stringthing;
5    public class StringOps {
6        public static void main(String[] args) {
7    // ESTABLISH SOME STRINGS
8            String date = "Wednesday, October 13, 2021";
9            String time = "4 PM";
10           String lab = "String Thing";
11   
12   // COMPUTE THE LENGTHS OF THE STRINGS
13           int dateLength = date.length();
14           int timeLength = time.length();
15           int labLength = lab.length();
16           System.out.println("\ndateLength = " + dateLength);
17           System.out.println("timeLength = " + timeLength);
18           System.out.println("labLength = " + labLength);
19   
20   // COMPUTE SOME POSITIONS
21           int p1 = date.indexOf(",");
22           int p2 = time.indexOf(" ");
23           int p3 = lab.indexOf("ing");
24           System.out.println("\np1 = " + p1);
25           System.out.println("p2 = " + p2);
26           System.out.println("p3 = " + p3);
27   
28   // COMPUTE SOME 2 ARGUMENT SUBSTRING VALUES
29           System.out.println("\ndate.substring(0,9) = " + date.substring(0,9));
30           System.out.println("time.substring(2,4) = " + time.substring(2,4));
31           System.out.println("lab.substring(7,8) = " + lab.substring(7,8));
32   
33   // COMPUTE SOME 1 ARGUMENT SUBSTRING VALUES
34           System.out.println("\ndate.substring(11) = " + date.substring(11));
35           System.out.println("time.substring(2) = " + time.substring(2));
36           System.out.println("lab.substring(7) = " + lab.substring(7));
37   
38   // CREATE A STRING
39           String line = date + " | " + time + " | " + lab;
40           System.out.println("\nline = " + line);
41       }
42   }