NonStop Server for Java 6.0 Programmer's Reference

fails. Files on a NonStop system can be Enscribe files, SQL/MP tables, or SQL/MX tables. Enscribe
files can be either structured or unstructured.
exception An event during program execution that prevents the program from continuing normally; generally,
an error. Java methods raise exceptions using the throw keyword and handle exceptions using
try, catch, and finally blocks.
Expand The HP NonStop operating system network that extends the concept of fault tolerance to networks
of geographically distributed NonStop systems. If the network is properly designed, communication
paths are constantly available even if there is a single line failure or component failure.
expandability See scalability.
fault tolerance The ability of a computer system to continue processing during and after a single fault (the failure
of a system component) without the loss of data or function.
G
garbage collection The process that reclaims dynamically allocated storage during program execution. The term
usually refers to automatic periodic storage reclamation by the garbage collector (part of the
runtime system), as opposed to explicit code to free specific blocks of memory.
graphical user
interface (GUI)
Software that provides user control using a graphic display format. GUI software provides a
bit-mapped, icon-oriented, windowing, graphical environment.
Guardian An environment available for interactive and programmatic use with the NonStop operating
system . Processes that run in the Guardian environment use the Guardian system procedure calls
as their API . Interactive users of the Guardian environment use the TACL or another HP product's
command interpreter. Compare to OSS.
GUI See graphical user interface (GUI).
H
Hotspot virtual
machine
See Java Hotspot virtual machine.
HP JDBC Driver for
SQL/MP
(JDBC/MP)
The product that provides access to SQL/MP and conforms to the JDBC API.
HP JDBC Driver for
SQL/MX
(JDBC/MX)
The product that provides access to SQL/MX and conforms to the JDBC API.
HP NonStop
operating system
The operating system for NonStop systems.
HP NonStop Server
for Java
Transaction API
An implementation of Java Transaction API (JTA) . One version of the NonStop Server for Java
Transaction API uses JTS and another uses TMF.
HP NonStop Server
for Java, based on
Java Standard
Edition 6.0
The formal name of the NonStop Server for Java product whose Java HotSpot virtual machine
conforms to the Java SE 6.0. See also NonStop Server for Java 6.0.
HP NonStop
SQL/MP (SQL/MP)
HP NonStop Structured Query Language/MP, the HP relational database management system
for NonStop servers.
HP NonStop
SQL/MX (SQL/MX)
HP NonStop Structured Query Language/MX, the HP next-generation relational database
management system for business-critical applications on NonStop servers.
HP NonStop
system
HP computers (hardware and software) that support the NonStop operating system.
HP NonStop
Technical Library
The browser-based interface to NonStop computing technical information.
94 Glossary