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   
11           //ESTABLISH SOME STRINGS
12           String date = "Thursday, October 10, 2019";
13           String time = "11:33 AM";
14           String lab = "String Thing";
15   
16           //COMPUTE THE LENGTHS OF THE STRINGS
17           int dateLength = date.length();
18           int timeLength = time.length();
19           int labLength = lab.length();
20           System.out.println("\ndateLength = " + dateLength);
21           System.out.println("timeLength = " + timeLength);
22           System.out.println("labLength = " + labLength);
23   
24           //COMPUTE SOME POSITIONS
25           int p1 = date.indexOf(",");
26           int p2 = time.indexOf(" ");
27           int p3 = lab.indexOf("ing");
28           System.out.println("\np1 = " + p1);
29           System.out.println("p2 = " + p2);
30           System.out.println("p3 = " + p3);
31   
32           //COMPUTE SOME 2 ARGUMENT SUBSTRING VALUES
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           System.out.println("\ndate.substring(11) = " + date.substring(11));
39           System.out.println("time.substring(2) = " + time.substring(2));
40           System.out.println("lab.substring(7) = " + lab.substring(7));
41   
42           //CREATE A STRING
43           String line = date + " | " + time + " | " + lab;
44           System.out.println("\nline = " + line);
45   
46       }
47   }