Java Resources

Why Java Is so Young After 25 Years: An Architect’s Point of View

Java completes 25 years of programming life and remains closer to developer's minds; almost 69% of the worldwide developer community remains to code in Java, even now.

Updated March 16, 2021

by Dr.Magesh Kasthuri

· 16,133 Views · 16 Likes

An experienced developer gives a tutorial on creating a simple implementation of user registration (sign up) in Vaadin Flow Java web applications.

March 9, 2021

by Alejandro Duarte

CORE

· 5,036 Views · 4 Likes

Java Concurrency: Understanding the ‘Volatile’ Keyword

This deep dive into Java concurrency focuses on properly using the volatile keyword in your code.

Updated March 8, 2021

by Bruno Masci

· 22,951 Views · 15 Likes

Google Guava and Its Two Fantastic Libraries: Graph and Eventbus

The main idea behind it was to include generics introduced in JDK 1.5 into Java Collections Framework, or JCF, and enhance its capability.

March 8, 2021

by Reza Ganji

CORE

· 18,255 Views · 9 Likes

Apache Cassandra With Java: Introduction to UDT

The Apache Cassandra User-defined types (UDTs) might be beneficial to the Java programming model. In this post, we'll explore how to take advantage of it.

March 7, 2021

by Otavio Santana

CORE

· 6,551 Views · 28 Likes

How to Detect Hate Speech Text in Java

Use Natural Language Processing APIs to perform hate speech analysis and detection on English text in Java. This tool is currently only available for English input text.

March 7, 2021

by Brian O'Neill

CORE

· 8,015 Views · 3 Likes

DataWeave Interview Question: Concatenate Elements of an Array

This article will help you practice your DataWeave skills in MuleSoft. We're going to use two different approaches to concatenate an array of letters.

Updated March 6, 2021

by Gaurav Dubey

· 7,937 Views · 1 Like

Gradle Goodness: Enabling Preview Features For Java

Check out how to enable and play with preview Java features in Gradle.

March 5, 2021

by Hubert Klein Ikkink

· 8,785 Views · 2 Likes

Apache Cassandra Horizontal Scalability for Java Applications [Book]

Get to know how to use Cassandra with Java, the applicability with Cassandra, and several Java Frameworks such as Hibernate, Spring, Quarkus, Jakarta EE, and so on.

March 4, 2021

by Otavio Santana

CORE

· 7,817 Views · 4 Likes

Deadlock-Free Synchronization in Java

Here, we look at the origin of deadlocks, consider a method for discovering deadlocks in existing code, and learn how to design a deadlock-free synchronization.

March 4, 2021

by Sergey Samokhodkin

· 15,622 Views · 8 Likes

Implementing Authentication and Authorization With Vaadin

Learn how to implement a login screen and control access to the application based on user roles

March 4, 2021

by Alejandro Duarte

CORE

· 8,622 Views · 6 Likes

Migrating COBOL Batch to Spring Batch

Bulk data processing usually performs asynchronous due to the transitional engine capabilities. Batch processing is suitable for optimizing the execution of high-volume repetitive tasks.

March 4, 2021

by Ravi Kiran Mallidi

CORE

· 6,874 Views · 3 Likes

How To Handle 100k Rows Decision Table in Drools (Part 3)

In this article, I created a prototype to demonstrate how to handle large rows in a decision table with reasonable performance. This is part 3 of the series.

March 2, 2021

by Ryan ZhangCheng

· 6,573 Views · 5 Likes

SKP's Algorithms and Data Structures #9: Java Problem: Monkeys in the Garden

This Article Series Focuses on Algorithms, Data Structures, or Applying them to Problem Solving. In this Article, We Discuss the Solution to [Monkeys in the Garden] Problem from Techgig.

February 28, 2021

by Sumith Puri

· 4,173 Views · 3 Likes

SKP's Algorithms and Data Structures #6: Java Problem: Active Traders

This Article Series Focuses on Algorithms, Data Structures, or Applying them to Problem Solving. In this Article, We Discuss the Solution to [Active Traders] Problem from Hacker Rank.

February 28, 2021

by Sumith Puri

· 7,856 Views · 3 Likes

SKP's Algorithms and Data Structures #5: Java Problem: Changes in Usernames

This Article Series Focuses on Algorithms, Data Structures, or Applying them to Problem Solving. In this Article, We Discuss the Solution to [Usernames Changes] Problem from Hacker Rank.

February 28, 2021

by Sumith Puri

· 6,207 Views · 3 Likes

How to Use Spring Boot and JHipster With Reactive Java Microservices

Learn how to create a reactive microservices architecture with Spring Boot, Spring Cloud Gateway, Spring Cloud Config, Spring WebFlux, Java, and JHipster.

February 26, 2021

by Matt Raible

· 4,639 Views · 6 Likes

Get or Set PDF Metadata in Java

If you mold the metadata of your PDFs to allow for SEO optimization via keywords, you will be able to increase the online searchability of your document.

February 24, 2021

by Brian O'Neill

CORE

· 3,988 Views · 2 Likes