Last Updated on October 21, 2024 by jt Introduction Often, you will need to connect to more than one data source. Sometimes, this is for security reasons. An example of this is the storage of credit card information. You may wish to store the data elements in multiple data sources. If one of the data […]Continue reading
Last Updated on May 30, 2019 by jt 1. Introduction In another blog post, we already looked at how we use the class RestTemplate to consume REST web services. In today’s blog post we will take a look at how we can use Apache HttpComponents as the HTTP client API for the RestTemplate. RestTemplate and […]Continue reading
Last Updated on May 30, 2019 by jt 1. RestTemplate Introduction In today’s blog post we will have a look at Springs well-known rest client – the RestTemplate. The RestTemplate is the central class within the Spring framework for executing synchronous HTTP requests on the client side. Like Spring JdbcTemplate, RestTemplate is also a high-level […]Continue reading
Last Updated on May 29, 2019 by jt In this post, I’ll explain how to work with resources in Spring using ResourceLoader. We’ll begin with a brief introduction about resources. Next, we’ll look at the Resource interface and some of its important methods. Finally, we’ll go through its implementations. Introduction: Working With Resources In Spring via […]Continue reading
Last Updated on May 26, 2019 by jt Spring Aware Interfaces allow you to hook into the inner workings of the Spring Framework. Though Spring Aware interfaces, you can access the Spring context, or Spring Bean life cycle events. Your Spring beans might require access to framework objects, such as ApplicationContext, BeanFactory, and ResourceLoader . […]Continue reading
Last Updated on October 21, 2024 by jt In this article, we’ll to learn how to implement the service locator Design Pattern in Spring. We’ll begin with a brief introduction. Next, we’ll introduce an example that benefits from using the pattern. And finally, we’ll work through an implementation in Spring. Introduction: Service Locator Pattern When we […]Continue reading
Last Updated on October 21, 2024 by jt You might have heard about GraphQL and how Facebook uses GraphQL in their mobile applications. In this blog, I will show you how to implement GraphQL in a Spring Boot application and let’s see what kind of magic does GraphQL provides. […]Continue reading
Last Updated on July 1, 2019 by Simanta 1. JdbcTemplate Introduction If we want to perform CRUD operations on a relational database the Spring ecosystem provides Spring Data JPA and Spring Support for JDBC. Spring Support for JDBC focuses on the JdbcTemplate class, which is internally based on the JDBC API of the Java SDK. […]Continue reading
Last Updated on June 14, 2019 by Simanta Lists are common data structures in Java. Elements in a List have a specific order and can include duplicate elements. List have different implementations based on different use cases. The two key ones are ArrayList and LinkedList. Novice programmers often tend to use both the implementations interchangeably. […]Continue reading
Last Updated on June 30, 2019 by Simanta Timer is a utility class as a facility for Threads to schedule tasks for future execution as a background thread. You can use this class to schedule tasks for one-time execution or for repeated execution at a regular interval. In this post, I’ll explain how to schedule […]Continue reading
