YAML stands for YAML Ain’t Markup Language also know as Yet Another Markup Language, It is a popular configuration format used to define application properties and settings in a more human-readable manner. It is an alternative to the traditional properties file format (.properties), commonly used in Java applications. In this tutorial, we will learn to… Read More »
In Enterprise applications, we may be required to have multiple databases for storing different kinds of information. For example, in an e-commerce application, it may be required to keep the user’s information in a different database, product-related information in a different database, and payment-related information in a separate database. In this tutorial, we will configure… Read More »
Spring Boot Profile Spring profile is a feature of the Spring framework that allows us to map a part of our application or the complete application to different profiles. i.e., environments (dev, uat or prod). Any @Component or the @Configurations of an application can be marked with the @Profile annotation to limit its scope to… Read More »
Spring Boot is built on the top of Spring framework which means it supports all the features of Spring framework. Spring Boot makes it easy to create standalone, production-grade spring based application that you can “Just Run”. As the standard definition says, Spring Boot provides a production-ready environment, which enables developers to focus more on… Read More »
RestFul APIs RestFul APIs are the interface that two computer systems use to communicate and exchange data over the internet using HTTPS ports. The APIs that follow the REST architecture design paradigm are called Rest APIs. In this article, we will create a category API for our blog application. To learn more about the Category… Read More »
The Bean Validation API is used for the validation of constraints on an object model using annotations. It can be very useful for validating the length, format, regular expressions, etc. of an object model. By default, bean validation is a Java specification; we need to explicitly provide its implementation. Basics of Bean Validation API In… Read More »
The ModelMapper is a library that is used for converting/mapping two similar object models to each other in a simple and easy way. It is used when the two models have similar data, but their structures and use cases are different. ModelMapper allows us to convert one model to another without affecting the original object… Read More »
An Exception is a problem that arise during the execution of a program. For Example, If there is a text field and any user entered number/digits in it, the program must not be crashed rather it should shows any error message or throw an exception. In order to handle these exceptions, spring-based frameworks came along… Read More »
API stands for Application Programmable Interface. It is a mechanism that is used for two or more computer programs to communicate with each other using a set of standard protocols. For example, when we try to login to a website, a login api gets called and requests the website’s server for authentication, and the website’s… Read More »
Spring Boot is an opinionated spring-based framework that auto-configures web applications with the help of starter packages. Along with the default embedded server, i.e., Tomcat, Spring Boot also comes with the default embedded database. The default database for Spring Boot is H2 DB. Similarly to the default embedded server, we can change the default embedded… Read More »