Month:June 2020

The Final step is to create the GUI, I have sketched out my plan by hand. My initial plan is on the left, I plan to have 3 text input boxes, a large calculate button and an output box. The window will not be too big and I will fix the width and height, so …
Continue reading Java GUI

With the updated Python function, comes an updated Java function, the code now looks like this, similar to the Python function there are two new checks and a final check that daysInMonth is not still zero: With this function working correctly, I can now continue with developing the GUI.

I have just realised a mistake in my validDate Function. The mistake is that it only validates the day and not the month or year, i also realised that it would validate the day even if the day is zero so I need to fix this. It was only when I was creating the Java …
Continue reading validDate Revisited – Python

The next evolution of this project is to eventually create a graphical user interface(GUI). This is possible to do using Python. But, I want to use Java for this job so recreating the work I have already done in Java is the way to go. So what’s first. The first thing is to write the …
Continue reading Zeller Java

Another good function which would come in handy for Zeller is a function to make sure the date which was inputted is valid and display a message if the program has encountered an invalid date. For this function I will be using my inArray function which I wrote in a previous post. I will utilise …
Continue reading Valid Date

Something I am constantly wanting to do in a lot of programs is see if a value is in an array. For another function which I wish to write to add to the Zeller program this will come in handy. The basic algorithm looks like this: SET value TO RequiredValueSET array TO ArrayToSearchSET isIn TO …
Continue reading In Array