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Tomorrow Java

  1. 1. Tomorrow Java novidades, tendências e espectativas Rafael Carneiro e Silveira Neto
  2. 2. agenda ● java 7 ● java EE 6 ● cadeia alimentar ● javaFX
  3. 3. fork/join framework class Fibo extends RecursiveTask<Integer>{ final int n; public Fibo(int n){this.n=n;} protected Integer compute(){ if(n<=1) return n; Fibo f1 = new Fibo(n-1); f1.fork(); Fibo f2 = new Fibo(n-2); return f2.compute() + f1.join(); } }
  4. 4. uso public class Main { public static void Main(String args[]){ ForkJoinPool pool = new ForkJoinPool(3); Fibo fibonacci = new Fibo(20); pool.execute(fibonacci); System.out.println(fibonacci.join()); } }
  5. 5. exception handling try { /// ... } catch (Exception1 e1, Exception2 e2) { // ... } catch (Exception3 e3) { // ... }
  6. 6. case switch String s = ... switch(s){ case “dog”: ... break; case “cat”: ... break; default: ... break; }
  7. 7. type inference Antes: Map<String, Integer> map = new HashMap<String, Integer>(); Agora: Map<String, Integer> map = new HashMap<>();
  8. 8. outras novidades ● Modularização ● Nova coleta de lixo (G1). ● Ponteiros de 64 bits comprimidos. ● InvokeDynamic
  9. 9. mas não ● Closures ● Generics refinados ● Sobrecarga de operador ● Sintaxe BigDecimal ● Suporte a XML a nível de linguagem
  10. 10. Java EE 6 ● Contexts and Dependency Injection for Java (Web Beans 1.0) ● Java Servlet 3.0 ● JavaServer Faces 2.0 ● Enterprise JavaBeans 3.1 ● Java Persistence 2.0
  11. 11. @Stateless @Entity @WebServlet(urlPatterns = "/monster") @Table(name = "MONSTERTABLE") @NamedQueries({@NamedQuery(name = "MonsterEJB... @PersistenceContext(name = "monster..." public class MonsterServlet extends HttpServlel{ @Id @GeneratedValue (strategy = ... private int monsterId; @Max(2) @NotNull private String name; @Transient @EJB MonsterServlet monsterEJB; Por Ludovic Champenois, http://weblogs.java.net/blog/ludo/archive/2009/05/worst_ever_java.html
  12. 12. cadeia alimentar VMWare Oracle Sun Microsystems Spring Source
  13. 13. VMWare compra SpringSource
  14. 14. Oracle compra Sun Microsystems
  15. 15. JavaFX
  16. 16. Prós
  17. 17. Contras
  18. 18. Imagens ● Jeff Kubina, “Coffe Beans” – http://www.flickr.com/photos/kubina/1469914113/ ● Jeff Kubina, “Coffe Bean” – http://www.flickr.com/photos/kubina/1470771024/ ● Marcelo Alves, “Coffee” – http://www.flickr.com/photos/xfer/4124684 ● Sjdunphy, “The Roscommon Spaghetti Incident” – http://www.flickr.com/photos/sjdunphy/531657318/ ● Joh Hason, “fish soup” – http://www.flickr.com/photos/jonhanson/56968305/ ● Skalas2 “axis n allies world in war” – http://www.flickr.com/photos/skalasinc/356616846/ ● Alexkerhead, “Cameras and Misc in the Case” – http://www.flickr.com/photos/alexkerhead/3088082405/
  19. 19. mais ● Edans, “La escalera del Hotel Velázquez” – http://www.flickr.com/photos/edans/499371992/ ● E's “coffee break” – http://www.flickr.com/photos/e-ta-i/6148059/ ● AnantaB “2008, New Year Fireworks” – http://www.flickr.com/photos/anantablamichhane/2152606721/ ● Clearly Ambiguous, “Fireworks” – http://www.flickr.com/photos/clearlyambiguous/183629188/ ● Vidalia_11, “Texture - cracked paint” – http://www.flickr.com/photos/56832361@N00/2476826198/ ● BigTallGuy, “Fun @ 10mm” – http://www.flickr.com/photos/bigtallguy/2492489993/
  20. 20. algumas referências ● JDK7 Features – http://openjdk.java.net/projects/jdk7/features/ ● Deep Dive: JDK 7 With Danny Coward – http://java.sun.com/developer/media/deepdivejdk7.jsp ● SpringSource: Chapter Two – http://blog.springsource.com/2009/08/10/springsource-chapter-two/ ● New features of java7SE presentation – http://www.slideshare.net/dogangoko/new-features-of-java7-se-presentation ● What's Expected in Java 7 – http://www.slideshare.net/gal.marder/whats-expected-in-java-7-1116123
  21. 21. valeu! slides em http://silveiraneto.net

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