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How to Manage Secrets Effectively Across Multiple Platforms with a Single Tool?

If you’ve worked with multiple platforms like AWS, Azure, and GCP, you probably know how managing secrets (API keys, tokens, passwords, etc.) can turn into a nightmare. Secrets are scattered, hard to track, and keeping them secure is no small challen

Jan 15, 2025 pm 08:45 PM

roven Strategies for Java Persistence Optimization

As a best-selling author, I invite you to explore my books on Amazon. Don't forget to follow me on Medium and show your support. Thank you! Your support means the world! Java persistence optimization is a critical aspect of developing efficient an

Jan 15, 2025 pm 08:21 PM

Designing an Internet Credit Purchase System

During one of the technical interviews I faced, I was asked to design an e-commerce system that allows users to purchase internet credits from third-party providers. Confidently, I proposed a straightforward solution: display available packages, let

Jan 15, 2025 pm 06:05 PM

Inheritance with classes

When we discuss inheritance in the context of an object-oriented programming language such as Java, we talk about how a class can inherit the properties and behavior of another class. The class that inherits from another class can also define additio

Jan 15, 2025 am 11:37 AM

Launched a Web version of my Project using Java Spring Framework, Spring Boot Web

? Just launched a web version of my project using Java Spring Framework, Spring Boot Web, JSON, JPA and PostgreSQL! Integrated REST API to connect the Backend with the Frontend seamlessly. After updates and fine-tuning, the app is running smoothly. T

Jan 15, 2025 am 10:54 AM

Developing a project using Java Spring Framework, JSON, JPA and PostgreSQL

? Wrapping up an exciting project using Java Spring Framework and PostgreSQL! It’s been a rewarding experience building a robust, scalable solution while deepening my skills in backend development and data persistence. Ready for the next challenge! ?

Jan 15, 2025 am 10:09 AM

Default Methods in Java

1. Understanding Default Methods Default methods are a type of method in interfaces that have an implementation. This feature was introduced to support backward compatibility with existing interfaces and to enhance the ability to extend librari

Jan 15, 2025 am 09:50 AM

dvanced Java Multithreading Techniques for High-Performance Applications

As a best-selling author, I invite you to explore my books on Amazon. Don't forget to follow me on Medium and show your support. Thank you! Your support means the world! Java's multithreading capabilities offer powerful tools for creating efficien

Jan 14, 2025 pm 08:08 PM

Understanding Spring Security and OAuth

In this article we will explore Spring security and will build a authentication system with OAuth 2.0. Spring Security is a powerful, highly customizable framework for implementing robust authentication and access control mechanisms in Java

Jan 14, 2025 pm 04:05 PM

How to index in SolrJ

If you want to index information (a document) in Solr. Indexing is also simple using SolrJ. Users build the documents they want to index as instances of SolrInputDocument and provide them as arguments to one of the add() methods on SolrClient. The

Jan 14, 2025 pm 02:11 PM

JSON Diff: Comparing and Identifying Changes in JSON Data

JSON (JavaScript Object Notation) has become a widely used data format for transmitting and storing structured data, especially in web development. However, comparing two JSON files or structures can often be challenging, particularly when dealing wi

Jan 14, 2025 pm 02:03 PM

Java interacting with Apache Avro

This Java-Avro Sample demonstrates how we setup a POJO and then save the info into an Avro file to later by created as a GenericRecord instance. Ultimately, this is verified by using the assertion assert True as the sample shows us.

Jan 14, 2025 pm 12:08 PM

Builder references

Reference to a constructor uses the syntax: classname::new. It can be assigned to a functional interface that has a constructor-compatible method. Example with Parameterized Constructor If the functional interface has a method with a parameter

Jan 14, 2025 am 10:08 AM

Building and Deploying Your First Java App with Docker in Just inutes

Let's create a simple java app which returns text and available on port 1800 of your local environment using Docker container in 5 minutes (depends on your internet connection speed). You can always grab the full source code from my public reposito

Jan 14, 2025 am 09:42 AM