Language Resources

Amazing Open Source Android Apps Written in Java

Because the only thing better than a free app is a free app you have the source code to.

January 3, 2019

by Vijay Singh Khatri

CORE

· 115,314 Views · 10 Likes

Spring Boot and PostgreSQL

In this tutorial, we will be developing a Spring-Boot application with Spring Data JPA to show how to do CRUD operations with PostgreSQL.

January 3, 2019

by Rajesh Bhojwani

· 307,939 Views · 16 Likes

Hexagonal Architecture for Java

Learn more about how you can isolate your core logic from outside elements.

January 3, 2019

by Rajesh Bhojwani

· 42,255 Views · 14 Likes

How Does Passing this::method Reference Within a Loop Affect Performance?

Do you know about the performance issues associated with this::method references?

January 3, 2019

by Ionut Balosin

· 6,419 Views · 2 Likes

Tutorial on Creating Cross-Browser Compatible HTML and CSS

As more and more sites are accessed from different devices all running different browsers, it's important to make sure your front-end displays properly on them all.

January 3, 2019

by Harshit Paul

· 31,193 Views · 16 Likes

Two Problems of a JavaScript Class

ECMAScript 6 saw the introduction of a 'class' keyword in JavaScript. We take a look at a couple gotchas you need to know about.

Updated January 2, 2019

by Dhananjay Kumar

· 10,152 Views · 3 Likes

Managing High Availability in PostgreSQL: Part 1 — PostgreSQL Automatic Failover

Managing high availability in your PostgreSQL hosting is very important to ensuring your clusters maintain exceptional uptime and strong operational performance.

Updated January 2, 2019

by Kristi Anderson

· 30,799 Views · 7 Likes

Compact Number Formatting Comes to JDK 12

The upcoming JDK 12 will see support for Compact Number Formatting.

January 2, 2019

by Dustin Marx

· 13,613 Views · 5 Likes

Distributed Java Collections in Redis With Redisson

In this article, we go over an interesting open source database project and how it takes advantage of core principles of the Java language,.

January 2, 2019

by Nikita Koksharov

· 21,707 Views · 4 Likes

Primitives vs Objects in Java

Are there truly any non-null issues when using primitives instead of Objects?

January 2, 2019

by John Vester

CORE

· 148,410 Views · 12 Likes

Spring MVC JSP Form Tags Example

In this quick article, we will discuss all Spring MVC JSP form tags with code examples.

January 1, 2019

by Ramesh Fadatare

· 65,810 Views · 6 Likes

Redis-Based Distributed Java Semaphores With Redisson

We take a look under the hood of this interesting open source database and see how ti uses Java methods to make distributed semaphores possible.

January 1, 2019

by Nikita Koksharov

· 14,912 Views · 5 Likes

Transformer Design Pattern in Java

Learn more about this special design pattern than can fluently transform into any type of object.

January 1, 2019

by Tomasz Linkowski

· 61,703 Views · 76 Likes

SQLite vs. MySQL vs. PostgreSQL: A Comparison of Relational Databases

Explore a comparison between three relational databases: SQLite, MySQL, and PostgreSQL.

December 27, 2018

by Asaf Yigal

· 29,946 Views · 20 Likes

How to Use the Risk Assessment Matrix in Project Management

Before you can solve, you have to see, and a risk matrix can help with just that.

December 25, 2018

by Fred Wilson

· 28,611 Views · 9 Likes

PL/SQL 101: Defining and Managing Transactions

Transactions are the cornerstone of any ACID-compliant database.

December 21, 2018

by Steven Feuerstein

· 21,416 Views · 3 Likes

Exception Handling in Java Streams

When you want to use a method that throws a checkedException, you have to do something extra if you want to call it in a lambda.

December 21, 2018

by Brian Vermeer

· 320,639 Views · 118 Likes

Microservices Architecture on the Modern Stack of Java Technologies

In this post, we take a look at microservices architectures based on technologies relevant to the Java world. Read on to get started!

Updated December 20, 2018

by Roman Kudryashov

· 66,874 Views · 42 Likes

How to Remove Key Value Pairs or Entries from HashMap [Snippet]

Let's take a look at how to remove entries from a map in Java, complete with examples.

Updated December 20, 2018

by Ramesh Fadatare

· 84,585 Views · 5 Likes

How the SQLite Database Works

Let's discuss some architectural details of database implementation by using an early version of SQLite.

Updated December 19, 2018

by Dhanushka Madushan

CORE

· 32,488 Views · 13 Likes

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