Tomorrow Java
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The document discusses upcoming features and trends in Java, including Java 7, Java EE 6, and the Java ecosystem. Key Java 7 features covered include the fork/join framework for parallel programming and exception handling improvements. It also discusses recent acquisitions that have impacted Java, such as Oracle acquiring Sun Microsystems and VMware acquiring SpringSource.
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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());
}
}](https://image.slidesharecdn.com/tomorowjavacctago2009-090829201329-phpapp01/85/Tomorrow-Java-4-320.jpg)
Tomorrow Java
- 1. Tomorrow Java novidades, tendências e espectativas Rafael Carneiro e Silveira Neto
- 2. agenda ● java 7 ● java EE 6 ● cadeia alimentar ● javaFX
- 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. 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. exception handling try { /// ... } catch (Exception1 e1, Exception2 e2) { // ... } catch (Exception3 e3) { // ... }
- 6. case switch String s = ... switch(s){ case “dog”: ... break; case “cat”: ... break; default: ... break; }
- 7. type inference Antes: Map<String, Integer> map = new HashMap<String, Integer>(); Agora: Map<String, Integer> map = new HashMap<>();
- 8. outras novidades ● Modularização ● Nova coleta de lixo (G1). ● Ponteiros de 64 bits comprimidos. ● InvokeDynamic
- 9. mas não ● Closures ● Generics refinados ● Sobrecarga de operador ● Sintaxe BigDecimal ● Suporte a XML a nível de linguagem
- 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. @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. cadeia alimentar VMWare Oracle Sun Microsystems Spring Source
- 15. Oracle compra Sun Microsystems
- 16. JavaFX
- 17. Prós
- 18. Contras
- 19. 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/
- 20. 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/
- 21. 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