How to create RESTful web service in Spring

Spring provides many facilities to Java developers which ease the programming as well as reducing the complexity of the code. One of the most powerful features Spring supports is called invasion of control or dependency inject. In addition to that, throughout the years Spring framework has had tremendous growth and …

Object-relational mapping in Java

Object-relational mapping (ORM) is a technique which allows programmers to access a relational database from an object-oriented language and programmers do not need to map and type cast each column of database to classes manually. In other word, ORM technique take care of populating the result sets. In Java there …

How to make Openshift free instance away from idling

Free Openshift account has a condition which is called idling. In this case if your application won’t have any http request, the tier automatically will go to standby mode. However, if a request comes, the tier will be powered up automatically and response to the request with few seconds of …