Random Number Generation in Java

By jt JavaNovember 29, 20170

While developing applications, we often need to generate random numbers. Java provides support to generate random numbers primarily through the java.lang.Math and java.util.Random classes. Java also has the ability to generate secure random with java.security.SecureRandom, and random numbers isolated to the current thread with java.util.concurrent.ThreadLocalRandom. You can use the java.util.Random class to generate random numbers of different […]Continue reading

Mastering Jackson Annotations: A Guide to Simplified JSON Mapping for Java

By jt JavaNovember 29, 20174

Jackson is a Java library for processing JSON data, enabling customization of serialization and deserialization through various annotations. These annotations, categorized as General, Serialization, Deserialization, and Polymorphic Type, provide developers control over JSON integration with Java objects. Key annotations like @JsonProperty, @JsonIgnore, and @JsonCreator facilitate precise data handling.

Google GSON for JSON Processing

By jt JavaSeptember 23, 20171

GSON is a very popular Java library for work with JSON. JavaScript Object Notation (JSON) is a lightweight data exchange format. Like XML, JSON provides a way of representing object that is both human readable and machine processable. In the Java ecosystem, there are several libraries that you can use to serialize Java objects to […]Continue reading

Using CircleCI to Build Spring Boot Microservices

By jt Spring, Spring BootSeptember 20, 20171

Introduction I’m quickly becoming a fan of using CircleCI for CI builds. I’m finding that CircleCI is a very powerful platform. Recently, I configured CircleCI to build a Spring Boot Microservice. The microservice was generated by JHipster. CircleCI is a online resource which uses Docker containers to run your CI builds. Since your build is […]Continue reading

Expert Guide to Spring Annotations

By jt Spring, Spring Core, Spring MVCSeptember 20, 201737

The Java Programming language provided support for Annotations from Java 5.0. Leading Java frameworks were quick to adopt annotations and the Spring Framework started using annotations from the release 2.5. Due to the way they are defined, annotations provide a lot of context in their declaration. Prior to annotations, the behavior of the Spring Framework […]Continue reading

Using JdbcTemplate with Spring Boot and Thymeleaf

By Michael Good Spring, Spring BootSeptember 17, 20176

In this tutorial, we will be building a demo web application for a Dog Rescue organization that uses JdbcTemplate and Thymeleaf. For this example, we will be using a MySQL database. However, this example is not limited to MySQL and the database could be swapped out for another type with ease. You can browse and […]Continue reading

Understanding the Spring @RequestMapping Annotation

By jt Spring, Spring MVCSeptember 6, 201717

@RequestMapping is one of the most common annotation used in Spring Web applications. This annotation maps HTTP requests to handler methods of MVC and REST controllers. In this post, you’ll see how versatile the @RequestMapping annotation is when used to map Spring MVC controller methods. Request Mapping Basics In Spring MVC applications, the RequestDispatcher (Front Controller […]Continue reading

Spring Data MongoDB with Reactive MongoDB

By jt Reactive Streams, Spring Framework 5August 7, 20172

Spring Data MongoDB has been updated to leverage the reactive programming model introduced in Spring Framework 5. This was followed by support for reactive data access for NoSQL databases, such as MongoDB, Cassandra, and Redis. With the rise in popularity of NoSQL databases, MongoDB has rapidly gained popularity in the enterprise and the Spring community. […]Continue reading

How to Use Spring Boot with Embedded MongoDB

By jt Spring, Spring BootJuly 31, 20177

Recently we’ve seen a rise in popularity of NoSQL databases. MongoDB has rapidly gained popularity in the enterprise and the Spring community. While developing and testing Spring Boot applications with MongoDB as the data store, it is common to use the lightweight Embedded MongoDB rather than running a full-fledged server. As the embedded MongoDB runs […]Continue reading

Spring Web Reactive

By jt Spring, UncategorizedJuly 24, 20175

An exciting feature in Spring Framework 5 is the new Web Reactive framework for allows reactive web applications. Reactive programming is about developing systems that are fully reactive and non-blocking. Such systems are suitable for event-loop style processing that can scale with a small number of threads. Spring Framework 5 embraces Reactive Streams to enable […]Continue reading

Spring Framework Guru

Blog