java | GhostProgrammer

2 Nov 2020

Complex Queries for Java data

Recently a project I was working on called for a complex filter that was needed for selecting specific elements from a large data set. Looking at various methods of doing this, none provided a simple method to do so. First I wrote out my own Predicat…

Minecraft

6 Jul 2020

Minecraft Functions meets Java

My son has gotten into Minecraft and Star Wars. He wanted the two of us to build the Death Star in Minecraft. That is not a small undertaking. I got thinking about it, and came up with the idea to use Java to create function files that would create t…

JAVA

22 Jun 2020

List v’s Array

Discussion on which is the better choice of type to return from a method or function for multiple items. Both have their values, but flexibility gives you the most options. Brief discussion on the advantages.

JAVA

1 Jun 2020

ListUtils Page

Ever have a list, that you need to paginate through? I certainly have, I created a simple method to ListUtils to make it easier. /** * Performs pagination on the List, returning the indicated page of elements, or an empty ist. * @param list List to p…

JAVA

25 May 2020

CalUtils

Recently had a need to break things out over a given date range into month-long increments. I found a solution that did this, however, I was not happy with it using the old Calendar() API. I set about creating a new implementation for this based on L…

JAVA

11 May 2020

ListUtils.safe()

Sometimes you need to guarantee a list is safe to use. A simple method can make sure your safe to use the list, or have an empty list that would be safe for use. /** * Guarantees a list will be safe to use, even if null. * @param list List to check i…

JAVA

27 Apr 2020

ListUtils isEmpty() & notEmpty()

Standard isEmpty() and notEmpty() methods for a ListUtils class. Nothing fancy, just simple methods and functionality. See the entire ListUtils series.