java Archives - GhostProgrammer

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.