StringOps.java
1    /* 
2     * Program to illustrate some basic character string processing functionality 
3     */
4    
5    package stringthing;
6    
7    public class StringOps {
8    
9        public static void main(String[] args) {
10           //ESTABLISH SOME STRINGS
11           String date = "Thursday, October 10, 2019";
12           String time = "12:25 PM";
13           String lab = "String Thing";
14   
15           //COMPUTE THE LENGTHS OF THE STRINGS
16           int dateLength = date.length();
17           int timeLength = time.length();
18           int labLength = lab.length();
19           System.out.println("\ndateLength =" + dateLength);
20           System.out.println("timeLength =" + timeLength);
21           System.out.println("labLength =" + labLength);
22   
23           //COMPUTE SOME POSITIONS
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           System.out.println("\ndate.substring(0,9) =" + date.substring(0,9));
33           System.out.println("time.substring(2,4) =" + time.substring(2,4));
34           System.out.println("lab.substring(7,8) =" + lab.substring(7,8));
35   
36           //COMPUTE SOME 1 ARGUMENT SUBSTRING VALUES
37           System.out.println(("\ndate.substring(11) = " + date.substring(11)));
38           System.out.println("time.substring(2) = " + time.substring(2));
39           System.out.println("lab.substring(7) = " + lab.substring(7));
40   
41           //CREATE A STRING
42           String line = date + " | " + time + " | " +lab;
43           System.out.println("\nline = " + line);
44       }
45   }
46