Transcript We`re the dot in .com - Java Forum Stuttgart

Jim Constantine
Senior Enterprise Architect
Sun Microsystems
[email protected]
Java Quo Vadis ?
Java Forum Stuttgart
1 July 1999
JavaOne 1999
The Numbers:
• 21,000 attendees
• 669 speakers
• 1.7 million Java developers
• Java developers will surpass C++
developers by 2000
• 40,000 Java licensees through the “Sun
Community Source License”
JavaOne Impressions
• Last year “what we will do”
• This year “what we did”
• Lots of mature products with
mature vendors
• More reality and less hype
JavaOne 1999
Cool Stuff
• 10,000 PalmVs sold for $199 each
to attendees. Pre-loaded with the K
virtual machine (J2ME).
• Real-time Java demo by IBM
• Jini controlled Lego Mindstorm
robots
JavaOne 1999
Key Announcements
• New “Java Editions” J2EE, J2SE,
J2ME.
• Roadmap for the next few releases
of Java 2.
• Java Community Process.
• Misc.
The Old View
The New View
Application Profiles
• A way to add support for domain
specific requirements.
• Specifies exactly what support is
provided to applications in terms of
features, APIs, classes and
(optionally) frameworks.
• Test Suite
Java 2 Enterprise Edition
(J2EE)
• Current JDK stuff :
– CORBA, IIOP, Messaging, Transactions,
RMI, JDBC, JNI, …
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•
•
•
+ EJB
+ Servlets
+ Java Server Pages
New Packaging and Deployment
Ideas
Java 2 Enterprise Edition
Consists of:
• J2EE Specification
• J2EE Application Programming
Model (best practices)
• J2EE Reference Implementation
• J2EE Compatibility Test Suite
J2EE Concepts
Components: EJB
Containers: web, application
– Web for JSP, Servlets
– Application for EJBs
– XML deployment descriptor idea extended
to support JSP, Servlets, web content
Connectors: for talking to legacy
systems such as CICS and SAP
J2EE Deployathon Demo
• Showed the same used car
eCommerce application EJB code
running without *ANY* changes in:
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Oracle App. Server
IBM WebSphere
Netscape NAS
BEA WebLogic
Gemstone J
and others
Java 2 Standard Edition
(J2SE)
• What we all think of as the JDK
• Targeted at desktop PCs and
workstations
• Next major release will include
HotSpot
• Netscape 5.0 will have J2SE built in
via OJI and the Plug-in
Java 2 Micro Edition (J2ME)
• Targets high volume consumer
devices
• Highly optimized runtime with
newly written JVM called K-Java
– 40kb in size, with libs 128kb
– suited for 16/32b RISC/CISC 16+ Mhz
– written with Motorola, 3Com, Bull, Fujitsu
• Palm V is reference platform
• Psion has announced support
Java 2 Roadmap
“Cricket” Release (1.2.2)
– due out July 1999
– bug fixes
– Plug-in:
-
RSA signing
HTTPS support
silent install
50% smaller download (5M)
fixed cookie support
Java 2 Roadmap
“Kestrel” Release (1.2.3)
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due out Q1/2000
http 1.1
RMI over IIOP
25% faster startup
20% smaller footprint
GUI performance focus
HotSpot for client
Plug-in:
- “sticky applets” and standard extensions
Java 2 Roadmap
Post “Kestrel”
– Java 3 ??? Q1/2001
– new I/O API
– Plug-in
- support for multiple JVMs (not committed)
Java Community Process
• The way by which anyone can
contribute to Java
• 20 proposals underway
• Audited by the independent
auditing firm of Price-Waterhouse
Java Community Process
Java Specification Requests (JSR):
• Orthogonal Persistence
• J2EE Connector Architecture
• Unified Printing API
• Parameterized Types
• See:
http://java.sun.com/aboutjava/communityproce
ss
HotSpot
• Source will be available via SCSL
• Built in to J2EE
• Future releases promise an
additional 40% performance
improvement.
Bill Joy Keynote
• Quoted Arthur C. Clarke: “Any
sufficiently advanced technology is
indistinguishable from magic.”
• Your phone should have common
sense reasoning about context: e.g.
It should not ring when in a
meeting.
Thanks!
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Large
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& ISPs
iPlanet
How i-Planet Works
Any designated
user anywhere
Connects &
disconnects at will
Enters URL in
browser anywhere
Authenticates and
accesses their
corporate desktop
Does work using all desktop
& enterprise resources
according to user privileges