/* Following is the history file saved from 
 * Dr. Java on Friday Sept 14
 */
String s = "Hello";
String t = new String("tea");
// Strings are immutable
System.out.println(s);
s.length();
s.length()
char c = s.charAt(3);
System.out.println(c);
s.charAt(1);
s.charAt(1)
s.length();
s.length()
t.length();
s.indexOf('e')
s.indexOf('l')
s.indexOf('l', 2)
s.indexOf('l', 3);
s.indexOf('l', 3)
int i s.index('l');
int i = s.index('l');
int i = s.indexOf('l');
i = s.indexOf('l');
s.indexOf('l', i + 1)
s.indexOf("le")
s.toUpperCase()
System.out.println(s);
s = s.toUpperCase()
System.out.println("coffee and " + t)
"coffee and ".concat(t)