Part 2: Testing the Paystack Integration Using PostmanThis is a follow-up article to Part 1, which guided Paystack payment gateway integration. It is going to be a very short and straightforward guide. We are going to be using Postman to test our endpoint. This article will definitely not make sense if ...1AMar 30, 2023 · 2 min readomolluabii.hashnode.dev
Integrate Paystack Payment Gateway using Spring BootInstead of having to create the wheel from scratch, which is a lot of work, using third-party APIs to collect payment makes accepting payment from consumers simple. In this article, we will mostly be focusing on Paystack. I'll walk you through the pr...Mar 23, 2023 · 7 min readomolluabii.hashnode.dev
Command Line Interface for BeginnersCommand Line Interface or CLI as it usually refers to is an interface/tool that allows interaction with the hardware component of the computer. CLI however, does this through commands written in the console or terminal. GUI or Graphical User Interfac...Dec 25, 2022 · 3 min readomolluabii.hashnode.dev
Using Predicate from the Functional Interface Package in JavaThe advent of Java 8 brought about java.util.function package in Java. It's a package that contains defined functional interfaces usually used with Lambda Expression. I'm assuming that you have basic knowledge of Lambda Expression if not go ahead and...Sep 13, 2022 · 5 min readomolluabii.hashnode.dev
Lambda Expression SimplifiedIn the release of Java 8, the Lambda Expression was introduced. It's a technique for writing clear and succinct code. One of those concepts that people, especially novices, find challenging to understand is Lambda Expression. You will learn about Lam...Aug 19, 2022 · 4 min readomolluabii.hashnode.dev
