Future of Java

Eberhard Wolff

SpringSource

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JAOO Java Track

The future of Java

The questions shows uncertainty

Java dominates the market

Jobs: Where company actually invest

That won't change for quite some time.

The success is unparalleled

Lots of businesses depend on Java

So: Comparisons to past can be wrong

So much for the intro.

What is Java?

1- The JVM

2- A language

3- A set of standards (JCP)

Again: Java = JVM + Language + JCP

The JVM is installed in every Enterprise.

Operations tend to be conservative

The JVM is highly optimized.

The JVM is opened up to other languages.

JVM might be the most persistent part.

JVM might be the real asset.

The language sees little innovation

LINQ: .NET

All the dynamic languages

Even functional languages become fashionable

Closure disaster

Bad reputation of Generics

More languages is the normal case

Do you remember the time before Java?

Do you remember Beta?

After a year nothing except Java was left.

Do you really think that could go on forever?

Java might be the COBOL of the future

That is not necessarily a bad thing!

JCP used to be an advantage.

"Look, we have standards!"

"Compare that to Microsoft"

But…

Some standards are bad.

Like really bad.

Really, really bad.

EJB 1.0 anyone?

EJB 3.1 Container Managed Concurrency anyone?

Standards are not too important in many cases.

When will we see the first Java EE 6 server?

When will Java EE 6 be in production?

Who cares?

People use Tomcat anyway.

WebLogic 26% Spring Applica0ons JBoss 38% WebSphere 43% Apache Tomcat 68% 0% 10% 20% 30% 40% 50% 60% 70% Java Applica;on Server Usage, Source: 2008 Evans Data Survey

Someone has to pay the people working on standards

What is Oracle's plan?

Open Source just outinnovates Standards

Example: EJB 3 / Spring

Start: 10.6.2003 Public Release: 30.6.2004 Final Release: 11.5.2006

Spring versions during that time: 0.9, 1.0.x, 1.1.x, 1.2.8 / 2.0M4

All tried in the real world

Lots of feedback

Remember: Java itself is Open Source

JVM: Great future

Language: unsure, but Open Source might help

JCP: Future not bright, but that's great!

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Future of Java

by Eberhard Wolff

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