1    /* 
2     * Program to illustrate some basic character string processing functionality. 
3     */
4    package stringthing;
5    
6    public class StringOps {
7        public static void main(String[]args){
8            // Establish some strings
9            String date = "Thursday, October 21, 2021";
10           String time = "11:48 AM";
11           String lab = "String Thing";
12   
13           // Compute the lengths of the strings
14           // Length = finds the character length of the string
15           int dateLength = date.length();
16           int timeLength = time.length();
17           int labLength = lab.length();
18           System.out.println("\ndateLength = " + dateLength);
19           System.out.println("timeLength = " + timeLength);
20           System.out.println("labLength = " + labLength);
21   
22           // Compute some positions
23           // indexOf = finds the character's position within the string
24           int p1 = date.indexOf(",");
25           int p2 = time.indexOf(" ");
26           int p3 = lab.indexOf("ing");
27           System.out.println("\np1 = " + p1);
28           System.out.println("p2 = " + p2);
29           System.out.println("p3 = " + p3);
30   
31           // Compute some 2 argument substring values
32           // 2 argument substring = takes input only from between the two specified character lengths
33           System.out.println("\ndate.substring(0,9) = " + date.substring(0,9));
34           System.out.println("time.substring(2,4) = " + time.substring(2,4));
35           System.out.println("lab.substring(7,8) = " + lab.substring(7,8));
36   
37           // Compute some 1 argument substring values
38           // 1 argument substring = takes inputs only from the specified character length onward
39           System.out.println("\ndate.substring(11) = " + date.substring(11));
40           System.out.println("time.substring(2) = " + time.substring(2));
41           System.out.println("lab.substring(7) = " + lab.substring(7));
42   
43           // Create a string
44           String line = date + " | " + time + " | " + lab;
45           System.out.println("\nline = " + line);
46       }
47   }
48