StringOps.java
1    /* 
2    *Program to 
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 = "2 PM";
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   
48   }
49