Oracle Technology Network: Contexts and Dependency Injection in Java EE: Which Annotations to Use?

Java Platform, Enterprise Edition (Java EE) 5 brought dependency injection (DI) with Convention over Configuration to Enterprise JavaBeans (EJB) 3.0. Java EE 6 introduces the flexible and powerful @Inject dependency injection model (JSR-330 and JSR-299) in addition to the already existing @EJB annotation. So when should you use what?

Read more at the Oracle Technology Network in "Contexts and Dependency Injection in Java EE."

Alex talks about Java: java.util.Objects. A new JDK 7 class for managing Objects

Alex talks about Java: java.util.Objects. A new JDK 7 class for managing Objects: With new release of JDK 7, a lot of really useful features has been developed, some of them I have write off before in this blog (JSR 203 and JSR 166y). In this post I am going to talk about one new small enhancement. This new feature is the addition of java.util.Objects class. This class is similar to java.util.Arrays or java.util.Collections but for objects instead of arrays or collections.