When using Java’s Map implementations, it is sometimes common to invoke the Map ‘s get (Object) method and to react differently based on whether the value returned is null or not.

The Java Architecture for XML Binding provides a powerful and practical way of working with XML content from within Java applications. The newly released JAXB 2.0 offers many new features ...

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, ...