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The port contains japanese zipcode tables, both 3/5 digits form used until Jan 1998, and new 7 digits form which will be used from Feb 1998. The database was provided to the public by Japan Post Company.

The com.oreilly.servlet package contains a set of useful utility classes for servlet developers. Included are classes to help servlets parse parameters, handle multipart requests (file uploads), generate multipart responses (server push), negotiate locales for internationalization, return files, manage socket connections, and act as RMI servers, among other things. There's even a class to help applets communicate with servlets. The package was developed by Jason Hunter for his book "Java Servlet Programming" published by O'Reilly. See: For more details.

This is a pure-Java implementation of Berkeley DB by SleepyCat (now Oracle). Java-1.7 is required for building. From the "Berkeley DB JE was designed from the ground up in Java. It takes full advantage of the Java environment. The Berkeley DB JE API provides a Java Collections-style interface, as well as a programmatic interface similar to the Berkeley DB API. Berkeley DB JE is different from all other Java databases available today. Berkeley DB JE is not a relational engine built in Java. It is a Berkeley DB-style embedded store, with an interface designed for programmers, not DBAs. Berkeley DB JE's architecture employs a log-based, no-overwrite storage system, enabling high concurrency and speed while providing ACID transactions and record-level locking. Berkeley DB JE efficiently caches most commonly used data in memory, without exceeding application-specified limits. In this way Berkeley DB JE works with an application to use available JVM resources while providing access to very large data sets. The Berkeley DB JE architecture provides an underlying storage layer for any Java application requiring high performance, transactional integrity and recoverability."

The JavaMail API provides a platform-independent and protocol-independent framework to build mail and messaging applications. The JavaMail API is available as an optional package for use with Java SE platform and is also included in the Java EE platform.

DbVisualizer is a feature rich, intuitive and cross platform database tool for developers and DBA's providing a single powerful interface for a variety of databases. DbVisualizer supports simultaneous database connections, it lets you explore and manage database objects, execute SQL queries, visualize information and a lot more.

JCalendar is a Java date chooser bean for graphically picking a date. JCalendar is composed of several other Java beans, a JDayChooser, a JMonthChooser and a JYearChooser. All these beans have a locale property, provide several icons (Color 16x16, Color 32x32, Mono 16x16 and Mono 32x32) and their own locale property editor. So they can easily be used in GUI builders.

The Bitmechanic JDBC Connection Pool provides developers a way to easily cache open connections to databases. This is useful in server environments since opening database connections can be slow. For more details see:

This plug-in for IBM's Eclipse platform integrates features from the DrJava development environment. The plug-in provides an Interactions Pane and a simplified user interface to Eclipse.

JFreeChart is a free Java class library for generating charts, including: * pie charts; * bar charts (regular and stacked, with an optional 3D effect); * line and area charts; * scatter plots and bubble charts; * time series, high/low/open/close charts and candle stick charts; * combination charts; * Pareto charts; * Gantt charts; * wind plots, meter charts and symbol charts.

JGraph is the most powerful, lightweight, feature-rich, and thoroughly documented open-source graph component available for Java. It is accompanied by JGraphpad, the first free diagram editor for Java that offers XML, Drag and Drop and much more! With the JGraph zoomable component, you can display objects and relations (networks) in any Swing UI. JGraph can also be used on the server-side, for example to read a GXL graph, apply a custom layout algorithm, and return the result as a HTML image map.