Java Resources

Become a Master of Java Streams — Part 1: Creating Streams

Check out the article below to become a master of Java Streams!

Updated October 15, 2019

by Per-Åke Minborg

· 52,347 Views · 39 Likes

Read Replicas and Spring Data, Part 3: Configuring Two Entity Managers

Learn more about read replicas and Spring Data in this tutorial on how to configure two entity managers.

October 15, 2019

by Emmanouil Gkatziouras

CORE

· 9,525 Views · 4 Likes

Read Replicas and Spring Data, Part 2: Configuring the Base Project

Check out part two where we configure our Spring project by using both servers.

October 14, 2019

by Emmanouil Gkatziouras

CORE

· 12,300 Views · 3 Likes

Read Replicas and Spring Data Part 1: Configuring the Databases

The first part of this series of articles takes a look at read replicas and Spring Data. Let's see how to configure the databases.

October 11, 2019

by Emmanouil Gkatziouras

CORE

· 18,194 Views · 4 Likes

Is Your JVM Leaking File Descriptors — Like Mine?

Quick! Go check!

Updated October 11, 2019

by Janaka Bandara

· 16,023 Views · 2 Likes

Build, Package, and Run Spring Boot Apps With Docker

Let's take a look at how to construct and deploy a basic Spring Boot application with Docker.

October 9, 2019

by Brian Hannaway

· 47,801 Views · 15 Likes

Kafka With Spring Cloud Stream

Everything you need to get started with Kafka's Spring Cloud Stream.

October 8, 2019

by Nakul Shukla

· 58,894 Views · 14 Likes

Java Performance Tools: Nine Types of Tools You Need to Know!

Can you name all nine?

October 8, 2019

by Darin Howard

· 12,557 Views · 4 Likes

Should I Parallelize Java 8 Streams?

What do we need to consider before parallelizing Java streams?

October 8, 2019

by Santhosh Krishnan

· 25,820 Views · 7 Likes

Getting Started With Spring Boot and Spring Data REST

Get started with Spring Boot and Spring Data REST in this short tutorial.

October 3, 2019

by Tapas Joshi

· 36,894 Views · 4 Likes

Secure a Spring Boot App With Spring Security and PreAuthorize

Spring your authentication security forward with this comprehensive tutorial.

October 3, 2019

by Andrew Hughes

· 121,708 Views · 2 Likes

Deploying Spring Boot App to JBoss Wildfly

Learn more about deploying your own Spring Boot app using JBoss Wildfly.

October 2, 2019

by Tapas Joshi

· 107,771 Views · 5 Likes

Differences between Keystore and Truststore

Finally master pesky Keystore and Truststore.

October 1, 2019

by Crumb Peter

· 59,999 Views · 6 Likes

PDFBox: Extract Content From a PDF Using Java

Want to learn how you can extract content from a PDF?

Updated October 1, 2019

by Gowthamraj Palani

· 87,046 Views · 13 Likes

Java Getter and Setter: Basics, Common Mistakes, and Best Practices

Here's a look at programming with getters and setters in Java.

October 1, 2019

by Nam Ha Minh

· 362,383 Views · 26 Likes

Secure Spring REST API Using OAuth2 + MySQL

REST easy knowing your APIs are secure after this tutorial.

September 30, 2019

by Mayur Shahapure

· 54,723 Views · 6 Likes

Optional.orElse() Vs. Optional.orElseGet()

Learn more about programming Java Optionals.

September 30, 2019

by Vishwa Ratna

CORE

· 25,568 Views · 14 Likes

Monitor Your App’s Health With Spring Boot Actuator

A tutorial for keeping your app healthy.

September 30, 2019

by Jimena Garbarino

· 21,387 Views · 6 Likes

Using Java Optional Vs. Vavr Option

Learn more about implementing Java Optionals, as well at the Vavr library's alternative, Option.

September 27, 2019

by Yuri Mednikov

· 60,281 Views · 11 Likes

A Bootiful Podcast: Nicolai Parlog on Java Modularity

In this weekend podcast, learn more about modularity in the wake of Java 13.

September 27, 2019

by Josh Long

· 12,402 Views · 3 Likes

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