This article shows how to use the Apache Commons JXPath component to easily query complex Java object trees for data using the XPath expression language. It covers both basic and advanced features ...

Although Java lacks a true sizeof () equivalent, the Instrumentation interface introduced with J2SE5 can be used to get an estimate of the size of a particular object via its getObjectSize (Object ...

However, the Java Platform provides a data structure that greatly simplifies the use of reference objects like this, called the java.util.WeakHashMap class.

When the Java language was created, Sun engineers decided that developers should not be responsible for managing the memory used by the objects they create. Instead, a garbage collection routine would ...

Course Type: Elective Specialization: Object-Oriented Analysis and Design Instructors: Dr. Bruce Montgomery Prior knowledge needed: Students should consider their background in Java and begin ...

The document is written assuming that the architecture of the computer is big endian, and so an x86 implementation needs to byte-swap every 512 bit block before it is processed.

Oracle's chief architect says his company intends to remove serialization from Java -- eventually. Answering a question during a live-streamed session at the recent Devoxx UK 2018 conference called ...

Any object representing a mutable data source in Java exposes methods for reading and writing its data as a stream. Java.io is the main package for most stream-oriented I/O classes.