HOUG fejlesztői nap 2015

1. New Features
avagy
miknek örültünk a 20 év során?
OLD
Simon Géza
geza.simon@houg.hu

2. Feature -2: *7
(star seven)

3. Feature -1: Oak

4. Feature 0: Java

6. JDK 1.1 - 1997.
• inner classes
• JavaBeans
• JAR file
• JDBC
• RMI
• reflection (r/o)
• serialization
• JNI
• JIT Compiler (on Windows) (by Symantec)
• Unicode, i18n, Charset

7. JDK 1.1 - 1997.
• JAR file
• applet download!!!!
• Unicode, i18n, Charset
• öthűtőházbólkértünkszínhúst
• árvíztűrőtükörfúrógép

8. Playground: J2SE 1.2, 1998.
• JIT Compiler (Sun JVM)
• native threads (vs. green threads)
• Java plug-in
• Collections
• StringBuffer

9. Kestrel: J2SE 1.3, 2000.
• HotSpot
• JNDI
• JPDA
• java.awt.Robot

10. Merlin: J2SE 1.4, 2002.
• community process
• assert
• exception chaining
• NIO
• IPv6
• JAXP
• Java Web Start
• java.util.logging
• SSL, HTTPS
• RegExp

11. Merlin: J2SE 1.4, 2002.
• assert
• NIO
• IPv6
• java.util.logging

12. Tiger: J2SE 5, 2004.
• generics
• annotations
• auto(un)boxing
• enum
• util.concurrent
• varargs
• for ( : )
• static import

13. Tiger: J2SE 5, 2004.
..... x = .....;
..... y = .....;
while ( x <= y & x >= y & x != y ) {
...
}

14. Mustang: JavaSE 6, 2006.
• compiler API
• JavaSE 6 update 10 (update N)
• Escape analysis (u14)
• JAXB 2
• JAX-WS

15. Mustang: JavaSE 6, 2006.
• Escape analysis (u14)
http://www.itcsolutions.eu/wp-content/uploads/2011/02/StackHeapValues.png

16. Dolphin: JavaSE 7, 2011.
• OpenJDK
• invokedynamic
• Project Coin
• try with resources
• String in switch
• catch multiple exceptions
• diamond operator <>
• nio2
• fork-join
• lambda expressions
• Project Jigsaw

17. Dolphin: JavaSE 7, 2011.
• diamond operator <>
Map<String, List<Trade>> trades =
new TreeMap <> ();

18. JavaSE 8, 2014.
• lambda expressions !
• java.util.stream
• Project Jigsaw
• Project Nashorn (JS runtime)
• Date and Time API
• no Permanent Generation, garbage first

19. JavaSE 8, 2014.
• lambda expressions
Operator add = (a, b) -> a + b;

20. Köszönöm a figyelmet
geza.simon@dpc.hu