Java Resources

The Complete Guide to Stream API and Collectors in Java 8

What is the map/filter/reduce go to them about? Let’s take an example. We are going to make a list of Person instances.

Updated September 21, 2020

by Suresh Sekar

· 10,423 Views · 4 Likes

Build Fault Tolerant Applications With Cassandra API for Azure Cosmos DB

Use Retry Policies to handle rate-limiting errors in your Go apps.

September 18, 2020

by Abhishek Gupta

CORE

· 6,771 Views · 5 Likes

Introduction to MapStruct: An Easy and Fast Mapping at Compile Time

MapStruct: easy mappings between Java beans

September 16, 2020

by Otavio Santana

CORE

· 20,860 Views · 3 Likes

How to Obtain Auto-Generated Keys With Hibernate

How to obtain auto-generated keys in a Hibernate - Spring Boot application.

September 16, 2020

by Anghel Leonard

CORE

· 15,540 Views · 4 Likes

How to Convert XLSX to PDF in Java

Using a Cloudmersive API, learn how to convert Excel files to PDF in Java

September 16, 2020

by Brian O'Neill

CORE

· 11,830 Views · 3 Likes

Modern Cloud-Native Jakarta EE Frameworks: Tips, Challenges, and Trends.

Changes brought by cloud-native architecture impact applications in ways that weren't critical before.

Updated September 16, 2020

by Otavio Santana

CORE

· 4,673 Views · 2 Likes

Analyzing Relationships in Game of Thrones With NetworkX, Gephi, and Nebula Graph (Part Two)

In this post, we will show you how to access data in Nebula Graph by using NetworkX.

September 11, 2020

by Jamie Liu

· 8,152 Views · 3 Likes

Replacing Unique_ptr With C++17's std::variant — a Practical Experiment

In this article, take a look at how to replace unique_ptr with C++17's std::variant.

September 10, 2020

by Bartłomiej Filipek

· 15,656 Views · 4 Likes

Create an API Gateway with Load Balancer Using Java

Nowadays every application is moving to microservice architecture. In this architecture, API Gateway has an important role. Let's build a simple API gateway using Java.

Updated September 10, 2020

by Vishnu Viswambharan

· 29,693 Views · 11 Likes

Using Kotlin, Spring Boot, and Vue.js to Make a CRUD App

Learn to build a Vue.js client application and a Spring Boot REST service, using them to demonstrate a CRUD application with Okta for authentication.

September 10, 2020

by Andrew Hughes

· 7,176 Views · 5 Likes

A New Way to Test Your Multithreaded Code With JUnit

Currently, when we test multi-thread Java we call the class under test by as many threads possible. This approach has the disadvantage that most of the time our faulty test succeeds which makes debugging multi-threaded bugs a nightmare. I, therefore, developed an open-source tool, vmlens, to make JUnit test of multi-threaded Java deterministic.

Updated September 9, 2020

by Thomas Krieger

· 71,930 Views · 15 Likes

Five Different Ways to Create Objects in Java

A list of five ways to create objects in Java, how they interact with constructors, and an example of how to utilize all of these methods.

Updated September 9, 2020

by Naresh Joshi

· 320,707 Views · 53 Likes

Most Practical Selenium WebDriver Tutorial With Examples

A Selenium WebDriver tutorial to help you get into the basics of Selenium WebDriver, its architecture, and automate testing with Selenium WebDriver.

September 8, 2020

by Ritesh Shetty

· 11,600 Views · 5 Likes

Spring Boot Togglz Usage — Part Two

In this article, we will introduce the feature flags in the properties file and control bean instantiation and initialization.

September 8, 2020

by Nagappan Subramanian

CORE

· 6,727 Views · 1 Like

Test Driven Development Using TestNG, Gradle

Basic Approach to start with TDD. Simple example using Java, TestNG, Jacoco and Gradle

September 8, 2020

by Subhasis Roy

· 5,582 Views · 1 Like

3 GC Techniques to Improve Application Performance

Application performance is always on the forefront of our minds, and Garbage Collection optimization is a good place to make small, but meaningful advancements.

September 7, 2020

by Tal Weiss

· 6,707 Views · 6 Likes

How To Install Multiple Versions of Java on the Same Machine

SDKMan! is a tool for managing parallel versions of multiple Software Development Kits on most Unix-based systems. Read more!

Updated September 7, 2020

by Naresh Joshi

· 180,724 Views · 24 Likes

Java Integer Cache: Why Integer.valueOf(127) == Integer.valueOf(127) Is True

So here's the cache...

Updated September 3, 2020

by Naresh Joshi

· 37,827 Views · 17 Likes

Lambda Expression in Java 8

Java 8 Lambda expression

September 3, 2020

by Amit Datta

· 11,032 Views · 3 Likes

6 Efficient Things You Can Do to Refactor a C++ Project

I took my old pet project from 2006, experimented, refactored it and made it more "modern C++". Here are my lessons and six practical steps that you can appl...

September 3, 2020

by Bartłomiej Filipek

· 12,393 Views · 2 Likes

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