Sun Microsystems has released a new tool that will help Java
development everywhere. Called Jack, this tool is used to
automatically generate parsers with included lexical analyzers.
(5,200 words)
Editor's update: Since its development, the
engineers responsible for Jack created their own company called
Metamata. The Jack product name was changed to JavaCC, and Metamata
became pa developmentgeneratorjackjavaworldparsertools in Software > Programming Languages > Javawith jackjavaparsersoftware
Java Content Repository Relational and object databases lack many data management features required by modern applications, such as versioning, rich data references, inheritence, or fine-grained security. Content repositories extend databases with such additional capabilities. The Java Content Repository API (JSR 170) defines a standard to access content repositories from Java code, and promises to greatly simplify Java database programming. This article reviews the Java Content Repository API and its open-source implementation, Apache Jackrabbit, from a developer's perspective. Relational and object databases lack many data management features required by modern applications, such as versioning, rich data references, inheritence, or fine-grained security. Content repositories extend databases with such additional capabilities. The Java Content Repository API (JSR 170) defines a standard to access content repositories from Java code, and promises to grea apicontentjackrabbitjavarepository in Computing > Information Managementwith databasejava