Java Resources

Think Twice Before Using Java 8 Parallel Streams

Parallelization was the main driving force behind lambdas, stream API, and others. Let's take a look at an example of stream API.

August 13, 2019

by Lukas Krecan

· 489,756 Views · 52 Likes

HashMap Internal Implementation Analysis in Java

Everything you need to know about Java's HashMap.

August 12, 2019

by Niranjan Tallapalli

· 213,565 Views · 29 Likes

An Introduction to the Java Collections Framework

A high-level introduction to the Java Collections Framework, including the class hierarchy.

Updated August 12, 2019

by Marcus Biel

· 117,999 Views · 29 Likes

How to Create an ArrayList in Java

This widely-used function adds functionality and flexibility to your applications.

Updated August 9, 2019

by Mahesh Sharma

· 274,759 Views · 14 Likes

JAX-WS Five-Minute Tutorial

This tutorial is for people who want to run a JAX-WS example (Endpoint + Client) in just five minutes.

August 8, 2019

by Mohammad Juma

· 315,884 Views · 7 Likes

A Guide to Spring Framework Annotations

Here's the lowdown on just about every Spring Framework annotation, including Core, Spring Cloud, Spring MVC, Spring REST, and Spring Boot.

Updated August 7, 2019

by John Thompson

· 272,123 Views · 103 Likes

Java: Benefit From Inline Class Properties Starting With Java 8 and Beyond

Learn how you can write a short class that supports future inline class features.

August 7, 2019

by Per-Åke Minborg

· 17,531 Views · 6 Likes

Running Decision Trees in Neo4j

Make near-real-time decisions using a graph database.

August 6, 2019

by Max De Marzi

· 5,824 Views · 2 Likes

Functional Java: Traversing a List in a Functional Way

Learn more about traversing a List — in a functional way!

August 6, 2019

by Rishi Khandelwal

· 38,772 Views · 6 Likes

Mapping Java Entities for Persistence in Hibernate (Part 1)

Learn more about how to map Java entities for persistence in Hibernate.

August 6, 2019

by Mahmoud Anouti

· 37,750 Views · 6 Likes

Maven Gives Terraform a Big Boost

Learn more about how the Maven plugin for Terraform brings Terraform some of Java's dependency benefits.

August 5, 2019

by Clayton Long

· 8,739 Views · 3 Likes

Here's everything you need to know about different OutOfMemoryError-related JVM arguments.

August 5, 2019

by Ram Lakshmanan

CORE

· 17,556 Views · 7 Likes

Why Declarative Coding Makes You a Better Programmer

Read this article and understand how to become a better programmer using declarative code with functional composition.

August 5, 2019

by Per-Åke Minborg

· 42,945 Views · 23 Likes

Batch Processing Large Data Sets With Spring Boot and Spring Batch

Let's process some data.

August 2, 2019

by Swathi Prasad

· 76,238 Views · 6 Likes

20+ Linked List Interview Questions for Java Programmers

Need help preparing for your next interview?

August 2, 2019

by Javin Paul

· 56,368 Views · 12 Likes

Java: ChronicleMap, Part 2: Super RAM Maps

Built-in Map implementations are limited by RAM size — learn how to navigate your way around this limitation with the use of ChronicleMap.

July 31, 2019

by Per-Åke Minborg

· 11,294 Views · 3 Likes

How to Use Cookies in Spring Boot

Check out this post to learn more about using web cookies in Spring Boot.

Updated July 30, 2019

by Atta Shah

· 238,932 Views · 20 Likes

Java: ChronicleMap, Part 1: Go Off-Heap

Off-heap CronicleMap can contain billions of objects with little or no heap impact.

July 30, 2019

by Per-Åke Minborg

· 23,112 Views · 5 Likes

Learn more about building form-based authentication into your Spring Boot 2.1 app.

July 30, 2019

by Andrew Hughes

· 167,889 Views · 16 Likes

Build a Spring Boot API Using Spring Data JPA and Hibernate

In this post, see how to build a Spring Boot API using Spring Data JPA and Hibernate.

July 29, 2019

by Matt Raible

· 22,221 Views · 8 Likes

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