Here is a simple gotcha to keep in mind while migrating to newer Spring Security version 4.x from Spring Security 3.2.x What’s the problem? The Spring security configuration expressions hasRole(‘role_name’) and hasAuthority(‘role_name’) […]
Earlier in Spring/Spring Boot to Map a GET or POST or DELETE or any HTTP method request handler we would write something like below: But with Springframework 4.3 and Spring Boot 1.4 […]
I was the other day trying to parse a date string into a date object using SimpleDateFormat to check for the validity of the date string. I had the SimpleDateFormat defined as: […]
We all have read in Java books about encapsulation of fields in Java class and also when ever you code you are asked to take special care in encapsulating the fields and […]
Lot of times we would have to fetch the data from a database or another webservice or load it from file system. In cases where it involves a network call there would […]
Murach’s Java Servlets and JSP is the ONLY book you need to learn Web App Development in Java using JSP and Servlets. The book covers all the concepts required you to build […]
We write service APIs which cater to certain business logic. There are few cross-cutting concerns that cover all service APIs like Security, Logging, Auditing, Measuring Latencies and so on. This is a […]
If you want to: – learn about commands used for OS monitoring – understand about different components of JVM – monitor and tune JVM to improve its performance. then, Java Performance is […]
We all write unit tests but the challenge we face at times is that the unit under test might be dependent on other components. And configuring other components for unit testing is […]
Recently I blogged a sample for using JAXB and thought of sharing it on my blog. The sample for JAXB can be found here.
