Postman is one of the most popular tools used for testing HTTP requests for web service APIs. It provides a user-friendly graphical interface for making HTTP requests to the API endpoint, inspecting the responses, and organizing the API testing workflow. In this tutorial, we will learn how we can use the pre-request script in Postman… 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 »
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 »