BeanShell is a free Java interpreter that adds script-like functionality to the language. It supports loosely typed variables and scriptable objects, and can be downloaded from its website. It has been integrated into many applications and is an open source project.
BeanShell is a free Java interpreter invented by Pat Niemeyer. It runs on the Java Runtime Environment (JRE) and uses standard Java syntax as well as loose types, methox commands and closures. BeanShell adds script-like functionality to the Java language. Like Javascript, it is an object-based scripting language. It has been accepted as a Java Specification Request (JSR), which is the first step towards full integration into the Java programming language.
As a Java interpreter, BeanShell can be used to interpret normal Java syntax, but it can also interpret its own syntax, which can be used to scale Java from a static to a dynamic programming language. BeanShell has been unofficially called Little Java by programmers because it closely resembles the syntax of the Java programming language in many respects. However, it adds support for many new features, such as loosely typed variables, where the variable need not be declared first. BeanShell also supports scriptable objects such as simple method closures and Abstract Windows Toolkit/Swing event handlers.
BeanShell has a website from which it can be downloaded. The website can be located by typing “BeanShell” into any Internet search engine. On this website, users will find many options and will be able to download the BSH package, which includes the main interpreter, shell commands and utilities.
Users whose version of Java does not include Swing should add the swingall Java Archive (JAR) file to the classpath. Some of the utilities use Swing. After Swing is set up in the classpath, BeanShell will run in an interactive console interpreter or a graphical interactive interpreter.
BeanShell is an open source project. It is small and embeddable. BeanShell has been integrated into many applications, including testing, configuration, embedded systems, rules engines, user script extensions, rapid prototyping, dynamic deployment, and even Java instruction.
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