JBUG 11 - Outside The Java Box

Hosted by Tikal. w w w . t i k a l k . c o m Cost-Benefit Open Source Israel JB oss U ser G roup Session 11 / 25.05.2009 Outside The Java Box By : Zvika Markfeld, Java Architect, Tikal Knowledge

Agenda ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object], Hosted by Tikal www.tikalk.com Israel JBUG

Origin of Java ,[object Object],[object Object],[object Object],[object Object], Hosted by Tikal www.tikalk.com Israel JBUG

Java Today ,[object Object],[object Object],[object Object],[object Object],[object Object], Hosted by Tikal www.tikalk.com Israel JBUG

Complexity Matters ,[object Object], Hosted by Tikal www.tikalk.com Israel JBUG

The Java 7 Closure Act ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Runnable r = { => System.out.println(i); } Hosted by Tikal www.tikalk.com Israel JBUG

The Java 7 Closure Act ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],final double highestGpa = students . filter ({ Student s => s.graduationYear == THIS_YEAR }) . map ( {Student s => s.getGpa() })‏ . max (); (); Hosted by Tikal www.tikalk.com Israel JBUG

The Java 7 Closure Act ,[object Object],[object Object],{ String => Set<String> } singleton = Collections#<String>singleton(String); Set<String> set = singleton.invoke("single"); { String => { int => String } } concat = { String s => { int n => String r = ""; for ( ; n > 0; n--) r += s; r } }; { String => Number } p = { Object o => Integer.valueOf(o.hashCode()) }; System.out.println(p.invoke("haf")); Hosted by Tikal www.tikalk.com Israel JBUG

The Java 7 Closure Act Hosted by Tikal www.tikalk.com Israel JBUG Java Closures Production Language Research Language Object Oriented Functional Simplicity Power, Conciseness Static Dynamic

The Java 7 Closure Act ,[object Object],[object Object],[object Object], Hosted by Tikal www.tikalk.com Israel JBUG

The Java 7 Closure Act ,[object Object], Hosted by Tikal www.tikalk.com Israel JBUG

What Have We Learned? ,[object Object],[object Object],[object Object], Hosted by Tikal www.tikalk.com Israel JBUG

Multi Language JVM ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object], Hosted by Tikal www.tikalk.com Israel JBUG

Multi Language JVM ,[object Object], Hosted by Tikal www.tikalk.com Israel JBUG

Market Considerations ,[object Object],[object Object],[object Object],[object Object], Hosted by Tikal www.tikalk.com Israel JBUG

Java Language Centric Approach ,[object Object],[object Object],[object Object],[object Object], Hosted by Tikal www.tikalk.com Israel JBUG

Language Characteristics ,[object Object],JVM Ports? Homegrown ? Dynamic? Static? Old? New? Renewed? Functional? OO? Execution Environment? Frameworks? Hosted by Tikal www.tikalk.com Israel JBUG

Scala ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object], Hosted by Tikal www.tikalk.com Israel JBUG

Groovy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object], Hosted by Tikal www.tikalk.com Israel JBUG

Ruby ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object], Hosted by Tikal www.tikalk.com Israel JBUG

Python ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object], Hosted by Tikal www.tikalk.com Israel JBUG

Clojure ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object], Hosted by Tikal www.tikalk.com Israel JBUG

Trends And Adoption Based on Tiobe index, May 2009 Hosted by Tikal www.tikalk.com Israel JBUG

[object Object],[object Object], Hosted by Tikal www.tikalk.com Israel JBUG

JBUG 11 - Outside The Java Box

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JBUG 11 - Outside The Java Box