Tag Archives: Postman

How to use Pre-request Script in Postman?

By | January 2, 2024

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: How to use Pre-request Script in Postman? »

Bean Validation – How to validate data using Bean Validation?

By | June 19, 2025

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: Bean Validation – How to validate data using Bean Validation? »

How to handle Global Exception using @ControllerAdvice annotation?

By | June 19, 2025

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: How to handle Global Exception using @ControllerAdvice annotation? »

How to create REST API in Spring Boot? | RESTful User APIs

By | June 17, 2025

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: How to create REST API in Spring Boot? | RESTful… »