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34 Multitasking Guide • May 2007
GCF Generic Connection Framework. A part of CLDC, it improves network
connectivity for wireless devices.
Home screen The main screen of the application manager. This is the screen the user sees
after they exit an application.
HTTP HyperText Transfer Protocol. The most commonly used Internet protocol,
based on TCP/IP, which is used to fetch documents and other hypertext
objects from remote hosts.
HTTPS Secure HyperText Transfer Protocol. A protocol for transferring encrypted
hypertext data using Secure Socket Layer (SSL) technology.
JAD file Java Application Descriptor file. A file provided in a MIDlet suite that contains
attributes used by application management software (AMS) to manage the
MIDlet’s life cycle, as well as other application-specific attributes used by the
MIDlet suite itself.
JAR file Java Archive file. A platform-independent file format that aggregates many
files into one. Multiple applications written in the Java programming language
and their required components (.class files, images, sounds, and other
resource files) can be bundled in a JAR file and provided as part of a MIDlet
suite.
Java Community
Process
TM
(JCP
TM
)
program Java Community Process program. An open organization of international
developers and licensees who develop and revise Java platform specifications,
reference implementations, and technology compatibility kits using a formal
submission and approval process.
Java ME platform Java Platform, Micro Edition. A group of specifications and technologies that
pertain to running the Java platform on small devices, such as cell phones,
pagers, PDAs, and set-top boxes. More specifically, the Java ME platform
consists of a configuration (such as CLDC or CDC) and a profile (such as MIDP
or Personal Basis Profile) tailored to a specific class of device.
Java Specification
Request (JSR) A proposal for developing new Java platform technology, which is reviewed,
developed, and finalized into a formal specification by the JCP program.
Java Virtual Machine A software “execution engine” that safely and compatibly executes the byte
codes in Java class files on a microprocessor.
KVM A Java virtual machine designed to run in small devices, such as cell phones
and pagers. The CLDC configuration is designed to run in a KVM.
LCD Liquid Crystal Display. A common kind of screen display often used in small
devices.