Year: 2021

Spring Retry provides the ability to automatically re-invoke a failed operation. This is helpful when errors may be transient in nature. For example, a momentary network glitch, network outage, server down, or deadlock. You can configure the spring-retry module using annotations. You can define the retry limits, fallback methods, etc. In this post, you will […]Continue reading

The Spring Boot CLI (Command Line Interface) is a command-line tool that you can use to run and test Spring Boot Applications from a Terminal. The CLI is one of the fastest ways to develop a Spring-based application. How does Spring Boot CLI work? It uses Spring Boot Starter and Spring Boot AutoConfigurate components to […]Continue reading

Spring Boot Actuator is a sub-project of the Spring Boot Framework. It uses HTTP endpoints to expose operational information about any running application. The main benefit of using this library is that we get health and monitoring metrics from production-ready applications. Moreover, the gathering of metrics, understanding traffic, or knowing the state of the database, […]Continue reading

Internationalization or I18N is a process that makes your application adaptable to different languages and regions without engineering changes on the source code. You can display messages, currencies, date, time etc. according to the specific region or language, likewise you can say internationalization is a readiness of localization. Maven dependency You will only require the […]Continue reading

A Deque is a linear collection that supports element insertion and removal at both ends. The name deque is short for “double ended queue” and is usually pronounced “deck”. The Deque interface defines methods to access the elements at both ends of the deque. Methods are provided to insert, remove, and examine the element. Each […]Continue reading

In Java, you use the enumeration type to represent a list of predefined constants. But, what if you want to implement a Set interface with the enumeration type, you have got EnumSet in Java to do so. Enum constants are unique and have predefined length, as you can not define a new enum constant at […]Continue reading

There are read-only wrappers over collections which are known as unmodifiable lists. These lists do not support any modification operations such as add, remove, and clear. Hence, these kinds of lists which guarantee that no change in the Collection object will ever be visible are termed as immutablelist. The Java Collections framework provides the unmodifiableList() […]Continue reading

For a One-to-One relationship in JPA, each entity instance is related to a single instance of another entity. It means each row of one entity is referred to one and only one row of another entity. In this post,  you’ll learn how to create a One-to-One relationship between two entities using JPA in a Spring […]Continue reading

Spring Web applications and services need to process client requests sent over HTTP. When the HTTP clients send data with the request, the data is in the request body. On the application side, you need a mechanism to deserialize data sent in the request body to domain objects. This is done using the @RequestBody annotation. […]Continue reading

The Spring Ioc container is at the core of the Spring Framework. BeanFactory and ApplicationContext provide implementations of the IoC container. Both BeanFactory and ApplicationContext are interfaces and there are several implementations that come out of the box with Spring. In this post, I will explain the differences between BeanFactory and ApplicationContext. Major Differences between […]Continue reading