In this tutorial we will walk through how to deploy simple docker containers into AWS ECS. ECS is a container service to deploy and manage your Docker containers on AWS. Basically, there are two ty...
Spring Schedule Tutorial
In this tutorial we will walk through how to implement and define crob jobs with a schedule behind of it in Spring Framework. Generally, in software architectures we want to have some background jo...
Build Serverless Disposable Email Address Architecture on AWS
In this tutorial I will walk through about building a disposable email address architecture on AWS for received emails. We will be able intercept emails and process their attributes like subject, b...
Spring Retry Tutorial
In this tutorial I will talk about some retry examples in Spring and how to do it. Retry logic or in other words retry strategies are being used when an operation is failed and we want to basically...
CDI Dependency Injection @PostConstruct and @PreDestroy Example
We have seen how to inject cdi beans by using qualifiers and producers so far. Additionally, every cdi bean has a lifecycle, and we can initialize and prepare to destroy any managed bean by using t...
Java Enums Tutorial
Enums (Enumeration) are introduced as a new reference type in Java 1.5 with a bunch of beneficial features. They consist of fix set of constants (each constant is implicitly labeled as public stati...
CDI Dependency Injection Producer Method Example
In this tutorial we will see how to use producer methods for injecting CDI beans by using @Produces annotation. We will use Weld CDI implementation. Using producer methods provides a programmatic w...
Adapter Design Pattern in Java
Adapter design pattern is a structural design pattern that provides two unrelated interfaces to work together. The most common illustration about adapter design pattern is sockets from different co...
Create Qualifiers for CDI Beans
As I described in my previous [post][1], we can define and inject cdi beans by @Named annotation. Well according to the CDI specification (JSR-299) injecting beans by their names is legacy and tend...
Convert objects to/from JSON by Jackson example
We will see a simple example about converting objects to/from JSON objects in Java by Jackson. First, add maven dependency for jackson. <dependency> <groupId>com.fasterxml.jack...
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