Sometimes situations arise where you must replace or patch an application class. In this article, an excerpt from Covert Java, Alex Kalinovsky explains what circumstances warrant such an approach ...

In this system: The class loader is responsible for correctly loading classes and connecting them with the core Java class libraries.

In the latter case, the executable is linked against gcc-java's libgcj. libgcj is a library containing the core Java class libraries and a garbage collector. In addition, libgcj contains a bytecode ...

Some vendors supply only a subset of the Java class libraries, which causes these implementations to be incompatible with the standard Java specifications. Other vendors supply all of the class ...

J9 was built as a closed source (proprietary) independent implementation of the JVM whose class libraries were based on the licensed Sun (now OpenJDK) implementation.

The Java Development Kit (JDK) is a development environment for building Java applications and applets that can then run on any Java Virtual Machine (JVM). The JDK includes a variety of development ...

Class libraries are copyrightable, like any other software code. Google did not ship any of the Sun Java class libraries in Android -- it created its own from an open-source spinoff of Java called ...

Java 24 adds several new features to the language, such as the availability of the Stream Gatherers API and Class-File API, ...

In this article Rafael Winterhalter, creator of the bytecode manipulation tool Byte Buddy, provides detailed guidance on how to easily create Java agents using Byte Buddy.

The open-source IKVM.NET project lets developers run Java apps on .NET. It is a Java virtual machine (JVM) on top of .NET.