Java Resources

Working With Temporary Files/Folders in Java

The Java NIO.2 API provides support for working with temporary folders/files. This tutorial demonstrates how to work with these files in Java.

January 30, 2020

by Anghel Leonard

CORE

· 75,838 Views · 14 Likes

Build a Web Application Based on Your Excel Files

In this article, build a web application based on your Excel files.

January 29, 2020

by Hawk Chen

CORE

· 32,708 Views · 7 Likes

An Efficient Object Storage for JUnit Tests

There are several limitations to store and fetch such data —to resolve the problem it was suggested to find more suitable data storage.

January 29, 2020

by Aleksandr Kirilenko

· 14,003 Views · 3 Likes

Java: Create a Map With Predefined Keys

In this article, we discuss how to use Lombok, Jackson, and enums to create a Map from a set of predefined keys.

January 27, 2020

by Taha Dalal

· 23,776 Views · 6 Likes

Using @RequestScope With Your API

A Zone Leader talks about how using Spring's @RequestScope allowed objects required at login to be re-used through the life of the request.

January 27, 2020

by John Vester

CORE

· 87,491 Views · 7 Likes

Log4j Bug — Slows Down Your Application

While investigating a slow application, we uncovered something interesting, thought you might also benefit from our findings.

Updated January 24, 2020

by Ram Lakshmanan

CORE

· 17,756 Views · 16 Likes

Akka Dispatcher: Everything You Need to Know

Want to learn more about Akka? Here's everything you need to know.

Updated January 24, 2020

by Anjali Sharma

· 7,080 Views · 5 Likes

Spring WebClient and Java Date-Time Fields

Learn more about using Spring's WebClient for Java date and time fields.

January 23, 2020

by Biju Kunjummen

· 22,382 Views · 6 Likes

Mule Maven Plugin for Deploying MuleSoft Applications

In this article take a look at Mule Maven Plugin for deploying MuleSoft applications.

Updated January 23, 2020

by Jitendra Bafna

CORE

· 35,156 Views · 8 Likes

Measuring Performance of Your Methods Using JMH in Java

In this article, I will be referring method as a component in isolation and show you how to test your methods using JMH as per their performances.

January 22, 2020

by Vishwa Ratna

CORE

· 11,966 Views · 8 Likes

Testing Asynchronous Operations in Spring With JUnit and Byteman

Learn how to test such operations in an application that uses spring context (with asynchronous operations enabled).

Updated January 21, 2020

by Szymon Tarnowski

CORE

· 34,010 Views · 11 Likes

Rejection in Akka HTTP: Handle Errors Properly

Learn more about rejection in Akka HTTP and how it helps in handling error scenarios in your application.

January 21, 2020

by Praful Bangar

· 16,205 Views · 4 Likes

Log Analysis 101 with Apache Flink, Spring Boot and ActiveMQ

In this article, we show you how to get started with log analysis with Apache Flink, Spring Boot, and ActiveMQ.

January 20, 2020

by Preetdeep Kumar

CORE

· 11,053 Views · 5 Likes

Easy Mapping JSON to Java Objects Using Jackson

Mapping JSON to Java objects just got a lot easier with Jackson.

January 20, 2020

by Pimchaya Wongrukun

· 28,812 Views · 2 Likes

Beginners Guide to Mocking in Scala

Unit test cases are one of the most important parts of an application.

Updated January 17, 2020

by Anjali Sharma

· 43,464 Views · 6 Likes

Doubly Linked List in Java

Check out this post to learn more about doubly linked lists in Java.

Updated January 17, 2020

by An Eng

· 69,725 Views · 10 Likes

Digging Into Sockets With Java Flight Recorder

Let's look at one amazing tool for gathering information about what's going on in your JVM — the Java Flight Recorder.

January 17, 2020

by Petr Bouda

CORE

· 15,475 Views · 8 Likes

Java Concurrency: AtomicReference

Want to learn more about concurrency in Java?

Updated January 16, 2020

by Thomas Krieger

· 64,899 Views · 21 Likes

Reactive Elasticsearch With Quarkus

In this article, we discuss how to connect Quarkus with Elasticsearch with Project Reactor to begin binding Quarkus to Elasticsearch's Java REST Client.

January 16, 2020

by Triphon Penakov

CORE

· 14,453 Views · 6 Likes

Tutorial: Deploy a Spring Boot Application to the Cloud

Spring Boot makes it easy to create stand-alone applications that are ready to use and run. Learn how to deploy to the cloud in this short post.

January 16, 2020

by Thiago Negri

· 30,153 Views · 11 Likes

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