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Spring Boot Example of SpringApplicationRunListener
Spring boot relies on application listeners and internal lifecycle event to decouple certain actions as the spring boots life cycle…
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Example of Spring StopWatch Utility Class
There comes a phase in programming where after the use cases are implemented and as we test, we may run…
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Mule Enricher Example
Mule enricher as the name suggests helps use to enrich the existing message. For example, we can enrich the payload,…
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RxJava Observable Buffer
The items emitted by the source Observable is buffered based on the count of items to be buffered. As soon…
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Spring Boot Jpa one-to-many
In this article, we will build a one-to-many relationship. The example we have here is the relation between a movie…
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Spring Boot Jpa @ElementCollection
In this article, we will explore how to map collections of objects that are not entities. When the source entity…
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Spring Boot JPA Auditing
Audit fields determine who created or changed an entity and when the change happened. Since auditing is required for most…
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Mule Atom Feed Example
Atom feed consists of a series of related items that a content provider publishes on the Internet. It comprises an…
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Command Design Pattern
Command design pattern decouples the object that invokes the operation from the one that actually performs it. The one which executes…
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Spring Boot Customize Banner
By default spring boot looks out for banner.txt and banner(.jpg/.png/.gif) image. If it finds one and then it goes ahead…
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Mule accessing cookies example
In this article we will look into Mule’s support of reading and writing cookies. In order to write a cookie,…
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Java Find All Active Threads
In this article we will see how to find all the active threads running. One can find all the active…
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Observable Interval Example
Observable.interval() returns an observable that emits numbers in sequence on a specified scheduler. In this article, we will look into…