Java Resources

Java vs. Go Microservices — Load Test With Multiple Users

Learning about performance differences between microservices written in Java and Go will help you plan the language you choose when building your own services.

October 2, 2018

by Ivan Nikitsenka

· 40,483 Views · 19 Likes

Java and JavaScript Integration in OSGI

You will learn how to integrate front-end with backend by following along with this great tutorial. Read on to get started!

Updated October 1, 2018

by Kees Pieters

· 10,132 Views · 2 Likes

Installing OpenJDK 11 on Ubuntu 18.04

OpenJDK 11 was released this past week. Let's take a look at how to install OpenJDK 11 on Ubuntu 18.04, as well as new features in the JDK.

Updated October 1, 2018

by Laszlo Csontos

· 252,393 Views · 12 Likes

How To Implement a Kafka Producer

We run through a quick tutorial on how create and use Kafka producers for a big data project, and how to take advantage of Kafka's Java API.

October 1, 2018

by Mallikarjun M

· 71,585 Views · 5 Likes

Working With LocalDate, LocalTime, and LocalDateTime

Java 8 introduced a major change for date and time APIs. Let's take a look at these changes and how to implement them in your project.

September 30, 2018

by Mohamed Sanaulla

· 47,378 Views · 9 Likes

Data Streaming Using Apache Flink and Apache Ignite

How to build a simple data streaming application using Apache Flink and Apache Ignite and create stream processing topology.

September 29, 2018

by Saikat Maitra

· 13,968 Views · 12 Likes

Parameterized Tests With JUnit

Learn how to speed up test execution by using parameterized tests with JUnit, as shown in this tutorial.

Updated September 28, 2018

by Kun Zhou

· 74,022 Views · 8 Likes

Mule 3.8-9: Run Java Method on MuleSoft Application Startup

This article explains how to execute a Java method once or on MuleSoft Application Startup.

September 28, 2018

by Enrico Rafols Dela Cruz

· 9,305 Views · 2 Likes

Creating a SOAP Web Service With Spring Boot Starter Web Services

In this post, we cover the concepts of SOAP and REST and show you all the code you need to use SOAP web services in a Spring Boot app.

Updated September 27, 2018

by Ranga Karanam

· 155,238 Views · 6 Likes

Secure Spring REST API Using OAuth2

Want to learn how to secure a Spring REST API using OAuth2? Check out this post to learn how using OAuth2 and PostgreSQL.

September 27, 2018

by Riddhi Parkhiya

· 68,757 Views · 12 Likes

90 New Features and APIs in JDK 11 (Part 1)

Are you excited to learn more about the features available in JDK 11? Check out this installment looking at the new developer visible features.

September 27, 2018

by Simon Ritter

· 142,668 Views · 49 Likes

Debugging Java Streams With IntelliJ

The Stream debugger is a hidden gem for working with Java Streams. Check out this tutorial to learn how to debug Java streams with IntelliJ.

September 26, 2018

by Per-Åke Minborg

· 33,777 Views · 12 Likes

Spring Integration: SFTP Download Using Key-Based Authentication

Let's take a look at Spring Integration as well as explore SFTP download using key-based authentication.

September 26, 2018

by Pavel Sklenar

· 45,906 Views · 3 Likes

Spring Boot: Messaging With RabbitMQ Pub/Sub in PCF

Want to learn more about using the RabbitMQ messenger? Check out this tutorial on how to create a messaging model with Spring Boot.

Updated September 25, 2018

by Prasanth Mohan

· 20,678 Views · 5 Likes

Bootiful GCP: Spring Cloud Stream with Google Cloud Pub/Sub

Check out how the Spring integration with Google Cloud can help you create message-driven microservices and cut down on code.

Updated September 25, 2018

by Laszlo Csontos

· 12,218 Views · 5 Likes

How to Sort a Map by Value in Java 8+

Want to learn more about sorting a map value in Java 8 or above? Click here for more about sorting maps in this tutorial.

September 24, 2018

by Yogen Rai

· 172,814 Views · 33 Likes

How to Configure an OAuth2 Authentication With Spring Security (Part 1)

Want to learn how to configure OAuth 2 authentication with Spring Security? Check out this post to learn more about OAuth 2 authentication with different data sources.

September 24, 2018

by Denis W S Rosa

· 86,813 Views · 9 Likes

Setting Up Static Code Analysis for Java

Need help setting up static code analysis for your Java project? Check out this tutorial on how to set up the static code analysis.

September 24, 2018

by Mladen Bolic

· 25,279 Views · 4 Likes

Spring Boot Listener for AWS SQS With Spring Cloud

This tutorial will demonstrate how to set up your Spring Cloud instance to listen for messages on your Amazon SQS queue.

September 21, 2018

by Bill Schneider

· 40,519 Views · 1 Like

How to Access the Current Logged-In Username in Spring Security

Need help finding the current logged-in username in Spring Security? Check out this post to learn how using the SecurityContext and SecurityContextHolder classes.

September 20, 2018

by Javin Paul

· 299,053 Views · 10 Likes

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