Java
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PostgreSQL – Recursive CTEs
Common Table Expressions (CTEs) are a powerful feature in SQL that allows you to create temporary result sets that can…
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Parse JSON using Moshi
Moshi is a modern JSON library for Android and Java by Square. It simplifies parsing and serializing JSON, supports annotations,…
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Vigenere Cipher in Java
The Vigenere cipher is a classic method of encryption that utilizes a keyword to create a more complex substitution, making…
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Ktor: Unleash the Power of Asynchronous Web Development in Java
Ktor isn’t your average Java web framework. It throws away the old, clunky ways and embraces a modern, asynchronous approach…
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Jackson and Lombok Examples
1. Introduction Jackson is an open-source java library for processing JSONs. It deserializes a JSON string into a Plain Old…
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Map Subset of JSON via Jackson
1. Introduction JavaScript Object Notation (JSON) is a text-based data format and widely used in the APIs for exchanging data…
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Fixing Ambiguous Method Call Errors in Mockito
In Java, method overloading allows a class to have multiple methods with the same name but different parameter lists. However,…
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Building Secure REST APIs with Javalin and JWT
REST APIs are the backbone of modern web applications, but securing them can be a complex task. Javalin, with its…
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Manage Kafka Listeners Dynamically in Spring Boot
In contemporary event-driven architectures, proficient management of data streams is paramount. Apache Kafka stands out as a favored solution for…
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