Java Resources

How to Format a Number as Currency in JavaScript

This article will walk you through how to format a number as currency in JavaScript.

February 7, 2023

by Dennis Mwangi

· 9,151 Views · 3 Likes

Simulating and Troubleshooting OOMError in Scala

As we explore simulating and troubleshooting performance problems in Scala, learn how to simulate the java.lang.OutOfMemoryError: Java Heap space problem.

February 7, 2023

by Ram Lakshmanan

CORE

· 3,806 Views · 2 Likes

Hidden Classes in Java 15

The why and how of hidden classes, with a helping hand from SourceBuddy.

February 5, 2023

by Peter Verhas

CORE

· 7,349 Views · 8 Likes

Apache Kafka Introduction, Installation, and Implementation Using .NET Core 6

A step-by-step introduction to Apache Kafka, its install, and its implementation using .NET Core 6 with background information, code blocks, and guide pictures.

February 4, 2023

by Jaydeep Patil

· 9,944 Views · 3 Likes

3 Ways That You Can Operate Record Beyond DTO [Video]

The record feature has arrived in the latest LTS version, Java 17! But how can we use it? This post explores design capabilities with a record exceeding DTO.

February 3, 2023

by Otavio Santana

CORE

· 7,948 Views · 3 Likes

Part I: Creating Custom API Endpoints in Salesforce With Apex

In Part I of this two-part series, we'll take a look at how to create custom API endpoints in Salesforce with APEX.

February 2, 2023

by Michael Bogan

CORE

· 4,010 Views · 1 Like

Remote Debugging Dangers and Pitfalls

Debugging over the network using a protocol like JDWP isn’t hard. However, there are risks that aren’t immediately intuitive and some subtle solutions.

February 2, 2023

by Shai Almog

CORE

· 8,333 Views · 4 Likes

How and Why You Should Start Automating DevOps

Integration of DevOps and automation is what leads to a more efficient software development lifecycle. Understand what it is about automating DevOps and how.

February 1, 2023

by Susmitha Vakkalanka

· 9,118 Views · 4 Likes

Asynchronous HTTP Requests With RxJava

In this article, readers/developers will follow guide code to call two API’s and learn how to send long blocking requests asynchronously with RxJava and Vertx.

February 1, 2023

by Andrius Kaliacius

· 5,945 Views · 2 Likes

Architectural Miscalculation and Hibernate Problem "Type UUID but Expression Is of Type Bytea"

A story about how I tried to solve an architectural error with minimal code changes and what problems sometimes occur in popular libraries. So, let's go!

February 1, 2023

by Artem Artemev

· 5,014 Views · 9 Likes

Top 5 Java REST API Frameworks

The top five frameworks for building a REST API with Java and how to choose the right framework for your project.

February 1, 2023

by Preet Kaur

· 5,093 Views · 5 Likes

Real-Time Stream Processing With Hazelcast and StreamNative

In this article, readers will learn about real-time stream processing with Hazelcast and StreamNative in a shorter time, along with demonstrations and code.

Updated January 31, 2023

by Fawaz Ghali, PhD

CORE

· 13,089 Views · 7 Likes

Express Hibernate Queries as Type-Safe Java Streams

In this article, you will learn how the JPAstreamer Quarkus extension facilitates type-safe Hibernate queries without unnecessary wordiness and complexity.

January 30, 2023

by Julia Gustafsson

· 9,862 Views · 12 Likes

How To Create and Edit Excel XLSX Documents in Java

Programmatically create and edit Excel documents using API solutions (with Java code examples) that work together to provide an Excel automation service.

January 30, 2023

by Brian O'Neill

CORE

· 10,314 Views · 5 Likes

The Quest for REST

This post focuses on listing some of the lurking issues in the "Glory of REST" and provides hints at ways to solve them.

January 26, 2023

by Nicolas Fränkel

· 9,188 Views · 5 Likes

Fraud Detection With Apache Kafka, KSQL, and Apache Flink

Exploring fraud detection case studies and architectures with Apache Kafka, KSQL, and Apache Flink with examples, guide images, and informative details.

January 26, 2023

by Kai Wähner

CORE

· 12,139 Views · 7 Likes

Upgrade Guide To Spring Data Elasticsearch 5.0

Learn about the latest Spring Data Elasticsearch 5.0.1 with Elasticsearch 8.5.3, starting with the proper configuration of the Elasticsearch Docker image.

January 26, 2023

by Arnošt Havelka

CORE

· 12,119 Views · 2 Likes

Commonly Occurring Errors in Microsoft Graph Integrations and How to Troubleshoot Them (Part 3)

This third article explains common integration errors that may be seen in the transition from EWS to Microsoft Graph as to the resource type To Do Tasks.

Updated January 25, 2023

by Constantin Kwiatkowski

· 5,547 Views · 2 Likes

A Brief Overview of the Spring Cloud Framework

Readers will get an overview of the Spring Cloud framework, a list of its main packages, and their relation with the Microservice Architectural patterns.

January 25, 2023

by Mario Casari

· 15,019 Views · 8 Likes

Spring Cloud: How To Deal With Microservice Configuration (Part 1)

In this article, we cover how to use a Spring Cloud Configuration module to implement a minimal microservice scenario based on a remote configuration.

January 24, 2023

by Mario Casari

· 11,244 Views · 8 Likes

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