1)-----
1: This should be....
String fileName = "c:\\dictionaries\\words.txt";
2:
private boolean endsWithStar(String s)
{
int len = s.length();
return len > 0 && s.charAt(len - 1) == '*';
}
or
private boolean endsWithStar(String s)
{
return s.endsWith("*");
}
3: public static void main (ss) {
for (int x = 0; x < ss.length()-1; x++) {
if ( ss.charAtPos(x) != '-') {
System.out.print (ss.charAt(x));
}
}
4:
dateStr = dateStr.substring(3,5) + '-' +
dateStr.substring(0,2) + '-' +
dateStr.substring(6);
5:
String last4 = ccNumber.substring(15);

2)-----
Compare to compares the ascii values of the equivalent letters in the according positions, and then returns the difference in the values.

3)-----
It will ignore the case of the strings inputted. If the string "Cat" and the string "cat" are inputted, it will return 0.