Java Resources

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

· 9,852 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

· 9,446 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

· 17,467 Views · 9 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

· 9,907 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

· 8,709 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

· 7,738 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

· 4,569 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

· 8,358 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

· 6,786 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

· 5,279 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

· 4,540 Views · 2 Likes

How to Integrate Google Pay Service and Why You Should

In this article, learn how to integrate Google Pay Service into your Android app, while also learning the benefits of the integration.

Updated February 23, 2021

by Andrii Zhumela

· 24,905 Views · 4 Likes

Java Threads: Are They Memory Efficient?

A developer runs through an experiment that tested the memory use of Java threads and how to optimize your use of Java threads in your code.

February 22, 2021

by Ram Lakshmanan

CORE

· 8,166 Views · 5 Likes

Java Memory Management

This deep dive into Java memory management will enhance your knowledge of how the heap works, reference types, and garbage collection.

Updated February 19, 2021

by Constantin Marian

· 364,071 Views · 187 Likes

Multi-Threaded Geo Web Crawler In Java

Dive Deep Into the Details of an [~Efficient Multi-Threaded Java Web Crawling System~] called Mowglee that uses Geography as the Main Classifying Criteria for Crawling.

Updated February 18, 2021

by Sumith Puri

· 19,301 Views · 12 Likes

Projection Queries: A Way to Optimize Data Traffic

JPA provides several solutions for projection queries and DTO mapping. It is up to us to choose the most appropriate solution for each of our use cases.

Updated February 17, 2021

by Sergiy Pylypets

· 22,840 Views · 7 Likes

How to Get a Country’s Time Zone in Java

Improve international business coordination by automatically retrieving time zone information for a specific country, allowing better planning cross-time zone.

February 17, 2021

by Brian O'Neill

CORE

· 8,916 Views · 2 Likes