Java

A distributed database load-balancing architecture with ShardingSphere

wuweijie — Fri, 14 Apr 2023 07:00:00 +0000

A distributed database load-balancing architecture with ShardingSphere wuweijie Fri, 04/14/2023 - 03:00

Load balance your distributed database the right way.

Apache ShardingSphere is a distributed database ecosystem that transforms any database into a distributed database and enhances it with data sharding, elastic scaling…

A guide to Java for loops

sethkenlon — Fri, 20 Jan 2023 08:00:00 +0000

A guide to Java for loops sethkenlon Fri, 01/20/2023 - 03:00

This article covers how to use the Java for loop and the Java Stream method.

In programming, you often need your code to iterate over a set of data to process each item individually. You use control structures to direct the flow of a program, and the…

A 4-minute guide to Java loops

sethkenlon — Sat, 14 Jan 2023 08:00:00 +0000

A 4-minute guide to Java loops sethkenlon Sat, 01/14/2023 - 03:00

Whether you use a while loop, a do while loop, or an infinite loop, understanding how loops work is vital to Java programming.

A while loop performs a set of tasks for as long as some predefined condition is true. This is considered a control structure that directs the flow of a program. It's a way…

How to use methods in Java

sethkenlon — Tue, 10 Jan 2023 15:25:00 +0000

How to use methods in Java sethkenlon Tue, 01/10/2023 - 10:25

Learn the definition of a method in Java, how to use methods, and when to use methods in this handy tutorial.

A method in Java (called a "function" in many other programming languages) is a portion of code that's been grouped together and labeled for reuse. Methods are useful because…

Use my Groovy color wheel calculator

clhermansen — Sun, 18 Dec 2022 08:00:00 +0000

Use my Groovy color wheel calculator clhermansen Sun, 12/18/2022 - 03:00

Color wheels are useful in many situations and building one in Groovy is a great exercise to learn both how the wheel works and the, well, grooviness of Groovy.

Every so often, I find myself needing to calculate complementary colors. For example, I might be making a line graph in a web app or bar graphs for a report. When this happens…

Try this Java file manager on Linux

sethkenlon — Fri, 02 Dec 2022 08:00:00 +0000

Try this Java file manager on Linux sethkenlon Fri, 12/02/2022 - 03:00

JFileProcessor takes a minimal approach to both design and function as a Linux file manager.

Computers are fancy filing cabinets, full of virtual folders and files waiting to be referenced, cross-referenced, edited, updated, saved, copied, moved, renamed, and…

Use arrays in Java

sethkenlon — Thu, 24 Nov 2022 08:00:00 +0000

Use arrays in Java sethkenlon Thu, 11/24/2022 - 03:00

Instead of tracking dozens of individual variables, use an array in Java to collect and store data in a structured way.

In the Java programming language, an array is an ordered collection of data. You can use an array to store information in a structured way. It's useful to know the various…

Use a hashmap in Java

sethkenlon — Sun, 13 Nov 2022 08:00:00 +0000

Use a hashmap in Java sethkenlon Sun, 11/13/2022 - 03:00

A hashmap is a useful way to store structured data in Java.

In the Java programming language, a hashmap is a list of associated values. Java uses hashmaps to store data. If you keep a lot of structured data, it's useful to know the…

Groovy vs Java: Connecting a PostgreSQL database with JDBC

clhermansen — Tue, 11 Oct 2022 07:00:00 +0000

Groovy vs Java: Connecting a PostgreSQL database with JDBC clhermansen Tue, 10/11/2022 - 03:00

This example demonstrates how Groovy streamlines the clunkiness of Java.

Lately, I've been looking at how Groovy streamlines the slight clunkiness of Java. This article examines some differences between connecting to a PostgreSQL database using…

Install JDBC on Linux in 3 steps

sethkenlon — Fri, 23 Sep 2022 07:00:00 +0000

Install JDBC on Linux in 3 steps sethkenlon Fri, 09/23/2022 - 03:00

Install Java, install JDBC with Maven, and install the database. Then you're ready to interact with databases in your Java code.

When you write an application, it's common to require data storage. Sometimes you're storing assets your application needs to function, and other times you're storing user…