Java Resources

How To Remove Excel Worksheets Using APIs in Java

Learn how to simplify the process of retrieving worksheet details from an Excel XLSX file, and removing specific worksheets based on that information.

July 5, 2024

by Brian O'Neill

CORE

· 5,251 Views · 2 Likes

Javac and Java Katas, Part 2: Module Path

In this article, look at some exercises dedicated to using JDK tools such as javac, java, and jar to build and run modular Java applications.

July 3, 2024

by Maksim Kren

· 6,714 Views · 2 Likes

Integration Testing With Keycloak, Spring Security, Spring Boot, and Spock Framework

Configure Keycloak, integrate with Spring Boot, write repeatable unit tests using Spock, and ensure auth mechanisms work correctly through automated testing.

July 1, 2024

by Greg Lawson

· 8,040 Views · 3 Likes

Implementing Real-Time Credit Card Fraud Detection With Apache Flink on AWS

Real-time fraud detection systems are essential for identifying and preventing fraudulent transactions as they occur. Apache Flink is useful in this scenario.

July 1, 2024

by Harsh Daiya

CORE

· 7,990 Views · 4 Likes

Twenty Things Every Java Software Architect Should Know

Architects need a deep understanding of Java and its ecosystem, staying updated on the latest trends and best practices.

June 28, 2024

by Reza Ganji

CORE

· 23,807 Views · 28 Likes

Spring AI: How To Write GenAI Applications With Java

In this article, take a look at how to write GenAI applications with Java using the Spring AI framework and utilize RAG for improving answers.

June 28, 2024

by Jennifer Reif

CORE

· 10,509 Views · 7 Likes

Addressing Memory Issues and Optimizing Code for Efficiency: Glide Case

The approach to identifying and rectifying specific pain points, such as object churn and memory leaks, is commendable, specifically for mobile devices.

June 27, 2024

by Murat Gungor

CORE

· 4,979 Views · 2 Likes

How To Use Thread.sleep() in Selenium

Learn how to pause test execution with Thread.sleep() in Selenium. Control timing for effective automation testing.

June 25, 2024

by Faisal Khatri

CORE

· 6,299 Views · 2 Likes

Open-Source Dapr for Spring Boot Developers

Using Dapr with Spring Boot simplifies the development for Dapr-enabled apps: run, test, and debug locally without the need to run inside a K8s cluster.

June 24, 2024

by Thomas Vitale

· 9,831 Views · 5 Likes

Automate Message Queue Deployment on JBoss EAP

In this article, learn how to fully automate the deployment of your own Message Oriented Middleware using JBoss EAP and Ansible.

June 21, 2024

by Romain Pelisse

· 6,930 Views · 4 Likes

How To Compare DOCX Documents in Java

In this article, learn how to carry out DOCX comparisons programmatically by calling a specialized web API with Java code examples.

June 21, 2024

by Brian O'Neill

CORE

· 10,825 Views · 4 Likes

IoT Needs To Get Serious About Security

Security issues in IoT have gotten worse, not better, and it's time we acknowledge that and fix it. It's long past time.

June 20, 2024

by David G. Simmons

CORE

· 8,402 Views · 4 Likes

GenAI: Spring Boot Integration With LocalAI for Code Conversion

Learn how GenAI can be used locally or in private data centers using LocalAI, SpringBoot, and LangChain4J for code conversion tasks.

June 19, 2024

by Aftab Shaikh

· 8,982 Views · 4 Likes

Efficient Data Management With Offset and Cursor-Based Pagination in Modern Applications

Explore offset and cursor-based pagination, integrated with Jakarta Data, Quarkus, and MongoDB, highlighting their benefits and practical use in REST APIs.

June 19, 2024

by Otavio Santana

CORE

· 10,588 Views · 3 Likes

Cucumber and Spring Boot Integration: Passing Arguments To Step Definitions Explained

Cucumber is a tool that supports Behavior-Driven Development (BDD). Learn how to pass arguments to step definitions when using Cucumber and Spring Boot.

June 18, 2024

by Gunter Rotsaert

CORE

· 6,636 Views · 4 Likes

The Past, Present, and Future of Stream Processing

Stream Processing Journey with IBM, Apama, TIBCO StreamBase, Kafka Streams, Apache Flink, Streaming Databases, GenAI, and Apache Iceberg.

June 17, 2024

by Kai Wähner

CORE

· 9,331 Views · 7 Likes

The Builder Pattern in Java: Guide to Test Data Generation

In this tutorial, learn how to use the Builder pattern in Java with a Datafaker library to generate test data for automated testing.

June 15, 2024

by Faisal Khatri

CORE

· 14,399 Views · 9 Likes

Benchmarking Java Streams

Take a deep dive into the performance characteristics of Java streams. With the help of JMH, learn how Java streams behave when put under pressure.

June 13, 2024

by Bartłomiej Żyliński

CORE

· 10,063 Views · 11 Likes

How To Handle Shadow Root in Selenium Java

In this tutorial, learn how to handle Shadow Root in Selenium Java using the getShadowRoot() method and JavaScriptExecuter.

June 12, 2024

by Faisal Khatri

CORE

· 4,650 Views · 3 Likes

How to Fully Validate URLs in Java

URLs can turn out to be invalid for a variety of reasons. We can call a free API to check syntax, domain name existence, and endpoint availability all at once.

June 11, 2024

by Brian O'Neill

CORE

· 9,588 Views · 5 Likes

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