Tag: java
All the articles with the tag "java".
Getting Started with RESTEasy
Starting from Servlet and JAX-RS specifications, this post introduces RESTEasy Applications, Resources, and Providers and explains initialization in a Servlet container. Examples cover HTTP requests, forms, file transfers, and global exception responses.
Reading the Java EE Official Documentation
Reading notes on the official Java EE 8 documentation, organizing concepts such as components and containers, JSF, CDI, EJB, JPA, and security, along with common terminology. The article gathers related chapters and example resources, and records Tomcat issues on Windows as well as thoughts on choosing between POST and PUT in RESTful services.
SpEL: Getting Started and Quick Reference
This quick reference covers common ways to read and assign values with Spring Expression Language (SpEL), the two @Value syntaxes, and the role of the evaluation context. Java examples demonstrate property access, collection operations, method calls, null handling, and collection filtering.
Getting Started with Java RMI
Introduces the basic idea of invoking remote methods across JVMs with Java RMI, connecting the remote interface, its implementation, the registry, and client lookup and invocation. It provides two ways to find a remote service and discusses client proxies and serialization of returned objects.