Last Updated on June 16, 2019 by Simanta At the heart of the Spring Framework is its support of dependency injection through its Inversion of Control container. In this video, I look at using some of the advanced autowire features of Spring. @Primary By default, Spring will autowire by type. When you have more than one […]Continue reading
Last Updated on May 26, 2019 by Simanta As a Java programmer, you will often need to work with date and time. In this post, we will learn how to get the current time of the day in Java applications. In Java, there are several ways for this and the primary classes that programmers typically use are the […]Continue reading
Last Updated on May 25, 2019 by Simanta Often when using Spring for enterprise application development, while developing code on your laptop, you will want to run against a in memory H2 database, and later you will deploy the code to a server and have it run against enterprise database such as Oracle. While Oracle is […]Continue reading
Last Updated on May 29, 2019 by Michelle Mesiona When you start with Spring Boot, it will automatically support H2 if no other data sources have been defined and H2 is found on the classpath. I’ve been using H2 for development for sometime now. It works very well. All modern relational databases are going to […]Continue reading
Last Updated on October 21, 2024 by jt This is the 4th part of my tutorial series on building a web application using Spring Boot. In the last part of the series, we looked at setting up Spring Data JPA for database persistence. In the second part of the series, we looked at using Thymeleaf […]Continue reading
Last Updated on June 2, 2019 by Simanta Out of the box, Spring Boot is very easy to use with the H2 Database. If the H2 database is found on your classpath, Spring Boot will automatically set up an in-memory H2 database for your use. But what if you want to use MySQL? Naturally, Spring […]Continue reading
Last Updated on October 21, 2024 by jt Unit tests should be small tests (atomic), lightweight, and fast. However, an object under test might have dependencies on other objects. It might need to interact with a database, communicate with a mail server, or talk to a web service or a message queue. All these services […]Continue reading
Last Updated on June 2, 2019 by Simanta In this post, I’m going to walk you through using Spring Boot to set up a Hello World example using Spring Integration and ActiveMQ. We’ll configure Spring Integration to listen on an ActiveMQ queue. For fun, I’ll use Spock to place a message on the queue, and […]Continue reading
Last Updated on October 21, 2024 by jt I remember in the late 90s / early 2000 all the buzz in programming was about XML. All the ‘experts’ said you had to be using XML for data exchange. XML does have many benefits. But often when programming today, XML is looked as ‘old school’ or […]Continue reading
Last Updated on May 11, 2019 by jt I was recently asked on my Facebook page, “How do I become a Java Web Developer?” There is really no simple answer for this question. There are many facets to becoming a Java web developer. I’ve encountered Java developers who were good front end developers, or good backend […]Continue reading
