Java Resources

Java Exceptions

This article is an analysis of the following: Java Exception Design, what Java exception can tell, and how to use Java Exceptions

Updated November 26, 2021

by Dmitry Egorov

CORE

· 74,791 Views · 46 Likes

How To Run the Spring Boot Application as a Stand-Alone Java Application

In this Spring Boot video tutorial, take a closer look at how to run the Spring Boot application as a stand-alone Java application and RESTful Web Services.

November 24, 2021

by Ram N

· 6,886 Views · 3 Likes

Java 17 Features and Migration Considerations

Java has changed considerably over the years. Read a comparison of versions 8 and 17, and learn the answer to the question: is upgrading a good idea?

November 23, 2021

by Dariusz Wawer

· 8,594 Views · 16 Likes

Spring Boot Exception Handling

In this article, we are going to learn how to configure Spring Boot to handle exceptions, including custom ones, and customize the error responses and handling.

November 22, 2021

by Seun Matt

CORE

· 15,229 Views · 8 Likes

Flight Recorder: Examining Java and Kotlin Apps

Learn how to use Java's Flight Recorder to profile Java and Kotlin apps and get a close look at JVM internals.

November 21, 2021

by Miro Wengner

· 8,809 Views · 5 Likes

What BDD Is and Why You Need It: Java and Behavior Driven Development

This article explains what BDD is and how Behavior Driven Development helps the developer and their team to understand application logic.

November 19, 2021

by Dmitry Egorov

CORE

· 12,164 Views · 8 Likes

Using Appropriate Annotations in Spring Testing

Summary of the annotations we should use in each testing scenario using JUnit 5 and Spring Test Framework to eliminate redundant annotations and negative outputs.

Updated November 18, 2021

by Tho Luong

· 16,438 Views · 13 Likes

Import a Function/Module in Dataweave

This tutorial explains how many ways we can import Function or Module in Dataweave - Mule 4. Read the article below to find out how!

November 17, 2021

by $$anonymous$$

· 20,493 Views · 2 Likes

Calling Stored Procedures With IN and OUT Parameters From Spring Data JPA

In this post, explore what was learned while configuring the OUT parameter in calling the stored procedures using Spring JPA.

November 17, 2021

by Mohiadeen Ameer

· 20,637 Views · 4 Likes

OAuth 2.0 Session Clustering

Learn how to control OAuth in a load-balanced application. This post shows how to manage sessions for a simple load-balanced application that uses OAuth 2.0.

November 16, 2021

by Brian Demers

· 5,753 Views · 6 Likes

Java Immutable Explained. Immutable Objects With Examples.

In this article, find answers about immutability and its best practices. Practical examples demonstrate the advantages of immutability and related tricks.

Updated November 15, 2021

by Dmitry Egorov

CORE

· 44,130 Views · 31 Likes

Why Is Char Array Preferred Over Strings To Store Passwords in Java?

Many people prefer a Character array over a string, but they do not know the reason behind it. Read why people are more inclined to use an array than a string.

Updated November 15, 2021

by Amit Gupta

· 15,283 Views · 7 Likes

Fast Spring Boot AWS Lambdas with GraalVM

In this article, I'll discuss how you can take a real-world REST application example adapted to spring-cloud-function and speed up the cold start time using GraalVM.

November 13, 2021

by Ben Foster

· 26,238 Views · 14 Likes

Test-Driven Development With Quarkus

Learn how Quarkus enables test-driven development (TDD) with built-in continuous testing, where tests run immediately after code changes are saved.

November 9, 2021

by Eric Deandrea

· 5,355 Views · 1 Like

Smart Dependency Injection With Spring: Assignability (Part 2 of 3)

In part two of this three-part series, learn about using inheritance to simplify injecting beans with Spring Framework.

Updated November 9, 2021

by Arnošt Havelka

CORE

· 16,109 Views · 8 Likes

Boost throughput with RESTEasy Reactive in Quarkus 2.2

With the new 2.2 release, Quarkus continues to improve in terms of network-related features, reactive programming, and integration with the Eclipse Vert.x event bus.

November 9, 2021

by Daniel Oh

CORE

· 6,491 Views · 1 Like

Creating Mappers Without Creating Underlying Objects in Java

In this short tutorial, we will devise a way of making an object-creation-free, lightweight mapper with rudimentary lookup capability that is suitable for a limited number of associations.

Updated November 8, 2021

by Per-Åke Minborg

· 8,211 Views · 5 Likes