APL-Journal - APL Germany e. V.

APL-Journal
Abstract
The world of Software development is getting wider and
wider. Applications run in a variety of environments and
use components written in a variety of languages. Recent
APL2 enhancements allow developers to participate more
fully in this world of component use and reuse. The new
APL2 Programming Interface (Calls to APL2) is a set of
APIs that allows applications to start and control APL2. Calls
to APL2 provides the foundation for APL2‘s new Interfaces
with other languages, components, and environments including
Java, Visual Basic, and Microsoft’s Component Object
Model (COM).
APL2 and Java
APL2 has two new interfaces to Java:
Associated Processor 14 for calling Java from APL2
Enables applications to exploit the enormous wealth
of components available as Java classes such as XML
parsing and infinite precision arithmetic.
The Java interface to Calls to APL2
Enables Java applications to call APL2 applications. It
enables APL2 developers to integrate their applications
in mainstream server applications such as IBM’s
WebSphere Application Server.
Calling Java from APL2
Associated Processor 14
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Reference and specify static fields
Call static methods
Instantiate Java objects
Reference and specify instance fields
Call instance methods
Java methods can call back to APL2
APL - Journal 2006, 25. Jg., Heft 1/2 29