Learn to configure Spring boot application with embedded ActiveMQ for sending and receiving JMS messages with help of JMSTemplate.
Config server is where all configurable parameters of microservices are written are maintained. It is more like externalizing properties / resource file out of project codebase to an external service altogether, so that any changes to that property does not necessitate the deployment of service which is using the property. All such property changes will be reflected without redeploying the microservice.
Learn to install python package in sublime editor for features like autocomplete and run build within sublime editor itself.
Static keyword in java can be applied on variables, methods, blocks, import and inner classes. Learn the effect of using static keyword in detail.
Learn to create maven custom archetypes which helps in creating a specific type of project structure which is not available in any standard maven archetype.
Command pattern is a behavioral design pattern which is useful to abstract business logic into discrete actions i.e. commands. It motivates loose coupling.
Java constructors are special methods (without return type) which allow you to fully initialize the object state before it can be used by other classes inside application. Constructors in java are invoked using new keyword.
Inheritance in java (IS-A relationship) is referred to the ability where child objects inherit or acquire all the properties and behaviors from parent object. In object oriented programming, inheritance is used to promote the code re-usability.
In this Lucene 6 tutorial, we will learn to use RAMDirectory to run quick examples of POCs because it is not intended to work with huge indexes.
In Lucene, WildcardQuery can be used to execute wildcard based searches on lucene indexes. Learn to use WildcardQuery with example.