During some distributed Java development, my colleague observed that a NotSerializableException was encountered when he tried to pass the Set returned from Map ‘s (HashMap in particular in this ...

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, ...

Geir Magnusson Jr. gets you started with using the Velocity Template Engine and the Velocity Template Language to render various types of Web application data in a Java servlet environment.