Variables and primitive types Called primitive types, integral and floating point types are the simplest data types in Java. The following program illustrates the integral type, which can hold ...

What's the difference between double vs float data types? In this quick tutorial we show how float and double Java types differ, along with guidance on how to choose one over the other.

The boxing and unboxing of Java primitive types has severe performance implications. Uncover the truth about autoboxing Java primitive types in this JDK Mission Control and JVM Flight Recorder example ...

How to recognize and use array and list data structures in your Java programs. Which algorithms work best with different types of array and list data structures. Why some algorithms will work ...

The Java input/output (I/O) facilities provide a simple, standardized API for reading and writing character and byte data from various data sources. This article explores the I/O classes ...

Microsoft is opening up Excel to developers with a new JavaScript API. It will let developers use custom data types like images, cards, and arrays.