Java Resources

Spring2quarkus — Spring Boot to Quarkus Migration

Find out how!

Updated March 25, 2020

by Triphon Penakov

CORE

· 28,896 Views · 12 Likes

Securing Web Apps Using PKCE With Spring Boot

Dive into securing your web apps with OAuth 2.0 and OpenID Connect using PKCE, Okta, and Spring Boot.

March 25, 2020

by Micah Silverman

· 18,585 Views · 5 Likes

7 JVM Arguments of Highly Effective Applications

In this article, we discuss how to use 7 JVM arguments to help increase your application's performance and avoid common memory pitfalls.

March 25, 2020

by Ram Lakshmanan

CORE

· 52,275 Views · 43 Likes

How to Unit Test Classes Which Create New Objects

A simple method to write test cases for classes that use new keywords in their method with the help of Mockito and minimum code changes.

Updated March 25, 2020

by Shivam Mohan

· 111,777 Views · 4 Likes

Deep Dive Into Apache Flink's TumblingWindow — Part 3

In this article, see how to use allowedLateness to handle late elements that arrive after a watermark is generated for the current window and more.

March 24, 2020

by Preetdeep Kumar

CORE

· 13,118 Views · 3 Likes

Securing Legacy Apps With OAuth 2.0 and Spring Cloud Gateway

Dive into legacy app security. This tutorial will show you how to keep your apps safe with OAuth 2.0 and Spring Cloud Gateway.

March 23, 2020

by Brian Demers

· 11,996 Views · 4 Likes

How to Implement Fuzzy Search (Google's Autocomplete Search) in Java

In this article, we discuss how to implement Fuzzy Search (Google's autocomplete search) in Java to handle potential spelling mistakes from users.

March 23, 2020

by Dmitry Egorov

CORE

· 27,950 Views · 9 Likes

How to Install and Configure Apache2

In this article, we will see how to install and configure Apache2 web server in Ubuntu 16.04.

March 20, 2020

by Ram Lakshmanan

CORE

· 31,025 Views · 5 Likes

Getting Started With OpenEBS and Cloud-Native Distributed SQL

In this article, take a look at how to get started with OpenEBS and cloud-native distributed SQL.

March 19, 2020

by Jimmy Guerrero

· 15,413 Views · 4 Likes

Get to Know JSF: An Easy and Straightforward a Jakarta Framework

In this article, we discuss how and why we should use Java Server Faces (JSF) to move an application to the cloud.

March 19, 2020

by Otavio Santana

CORE

· 31,338 Views · 15 Likes

Java: It’s Time to Move Your Application to Java 11

In this article, we discuss the need for current Java 8 users to begin migrating to Java 11 and provide an easy solution for migration.

March 19, 2020

by Otavio Santana

CORE

· 18,373 Views · 7 Likes

Build Chatbots with Dialogflow - Step By Step Guidelines

This tutorial provides a detailed guide of how to set up create tracks and integrations for chatbots with Google's Dialogflow Agent application.

March 18, 2020

by Rahul Panchal

· 15,183 Views · 6 Likes

Lock Striping in Java

Take a look at this implementation of lock striping in Java after examining the effects of a sequential bottleneck in concurrent requests.

March 18, 2020

by Ali Dehghani

· 9,213 Views · 6 Likes

Native Memory Allocation in Java

In this article, we discuss how to better manage native memory within your containers to avoid common pitfalls.

March 18, 2020

by Petr Bouda

CORE

· 21,365 Views · 10 Likes

Reactive Messaging Examples for Quarkus

The articles service stores data in a Postgres database. Messages are sent between the microservices via Kafka.

March 18, 2020

by Niklas Heidloff

CORE

· 12,548 Views · 2 Likes

Serializable Java Lambdas

Here's an article that should help with a specific error that might occur when trying to serialize a lambda with Kryo.

March 17, 2020

by Dan Newton

· 8,706 Views · 5 Likes

Top 5 Java Frameworks for Web Application Development

In this article, we review some of the most popular frameworks for Java development in 2020 to get you developing full-stack applications quickly.

March 17, 2020

by Shivashish Thkaur

CORE

· 34,616 Views · 7 Likes

Create a Single Microservices Endpoint With GraphQL, Kotlin, and Micronaut

In today’s article, you will see an example on how to implement a GraphQL API on the JVM, particularly using Kotlin language and Micronaut framework.

March 16, 2020

by Roman Kudryashov

CORE

· 16,561 Views · 7 Likes

7 Easy Steps to Make a Facebook Messenger Bot in Java

Check out this step-by-step tutorial that shows you how to make a conversational bot using Facebook Messenger, Java, and JBot.

Updated March 16, 2020

by Ram Patra

· 27,351 Views · 12 Likes

REST API Error Handling With Spring Boot

Want to learn more about room for improvement in error handling? Check out this tutorial on REST API error handling in Spring Boot.

Updated March 16, 2020

by Ali Dehghani

· 85,406 Views · 32 Likes

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