Jenkins is one of the most popular tools in the automation world. Much flexibility, open-source and free availability, massive plugin support and integrations, easiness to start are some of the key factors which have been caused for the popularity of Jenkins. You can start building pipelines with Jenkins by spending…

API Gateway is a managed service provided by AWS to expose APIs at any scale to the users. At the time of introduction, API gateway only supported public endpoints which was a real problem when implementing production APIs because in the majority of cases the APIs should be private making…

The Spring framework provides a comprehensive API for database transaction management. Spring takes care of all underlying transaction management considerations and provides a consistent programming model for different transaction APIs such as Java Transaction API (JTA), JDBC, Hibernate, Java Persistence API (JPA), and Java Data Objects (JDO). …

DynamoDB is the non-relational database service provided by Amazon Web Services (AWS) as the fast , flexible and eventual consistent database solution for modern large scale applications. Being an eventually consistent database system, DynamoDB relaxes the consistency in favor of availability and partition tolerance. Even though DynamoDB is a NoSQL…

Nowadays, SSDs are becoming more popular. The reason behind this is the new applications are becoming more resource intensive and computers are getting slow with traditional hard disks. This mostly happens to the machines with Windows operating systems. Therefore most people are upgrading their machines with SSDs to achieve a…

Singleton is a class that suppose to have only one instance per JVM. Same instance of the singleton class is reused by multiple threads. …