One of the nasty little traps a Java developer can run into occurs when Collection.contains(Object) is not used with appropriate understanding. I demonstrate this potential trap in this post. This is ...

package dustin.examples; /** * Enum representing select western states in the United Sates. */ public enum States { ARIZONA("Arizona"), CALIFORNIA("California ...

It's not terribly clean, but you could use indexOf() and check if it returns -1. Better than breaking out a loop.

The most copied StackOverflow Java code snippet of all time contains a bug. The admission comes from the author of the snippet itself, Andreas Lundblad, a Java developer at Palantir, and one of the ...