A colleague of mine recently ran into an issue that I have not run into myself, but found to be interesting and, in my opinion, worth blogging about here. During some distributed Java development ...

The free Java applet MAPresso generates choropleth maps, informational maps that represent statistical variations with shaded colors. You've seen them used to display voting statistics, […] ...

Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions.

HashMap vs. Hashtable similarities Both the Hashtable and HashMap implement the Map interface and both share the same set of methods used to add, remove and manipulate elements of a key-value, ...

Windows Live Search runs on both J2ME (Java) phones and on Windows Mobile phones, whereas Google Maps only works on J2ME phones. So which is better? Without a doubt, Microsoft’s was the winner.