York Davis is a senior managing consultant at Software Architects, Inc. With more than 12 years in the software development field, York has been using Java for more than five years and has extensive experience building enterprise application architectures.
Individuals just starting out with Java and object-oriented (OO) programming
often feel overwhelmed by not only having to learn a new language syntax but
also having to comprehend the unfamiliar concepts of OO programming. For
those individuals, building a strong foundation on the key OO concepts is a
great place to start. For seasoned developers, a refresher on these topics is
always beneficial.
Objects
The most basic concept in an OO language is that of an object. In OO
languages, objects represent real everyday items such as an automobile,
radio, or dog. Objects can contain both attributes and behaviors. For
instance, an automobile has the concept of a manufacturer name attribute and
the concept of a drive behavior. In Java, attributes are represented as
variables w... (more)
Those familiar with the java.util.Comparator interface of the Java API
realize its capabilities for sorting a collection of objects based on an
attribute of the objects in the collection. This works well when there is
only a single field in which sorting is required. When more complex sorting
is necessary, the limitations of sorting on a single field become obvious.
What about the situat... (more)
York Davis is a senior managing consultant at Software Architects, Inc. With more than 12 years in the software development field, York has been using Java for more than five years and has extensive experience building enterprise application architectures.
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