This routine returns -1, 0, or 1 as values, so you can do something like this:
String first;
String second;
... assign first and second
if( first.compareToIgnoreCase(second) < 0) {
// second is less than first...
} else if first.compareToIgnoreCase(second) == 0) {
// second is same as first...
} else if first.compareToIgnoreCase(second) > 0) {
// second is greater than first...
}
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solved How can I use the compareToIgnoreCase method? [closed]