Fibonacci

Everyone who has read the book or seen the film Da Vinci Code has heard about the Fibonacci sequence. The sequence looks a bit like this: \[1,1,2,3,4,7,11,\ldots\] In recent years a zero has been added to the front of the sequence, and it it this sequence I will be programming. The Fibinacci sequence can be …
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GUI Refinements – Today

This entry is part 13 of 13 in the series
Zellers Algorithm

My final refinement (for the moment) is that, I want today’s date to be the default date. To do this I need to import two libararies: I then need to get the current date: In order to get each part of the date (day, month, year), i will simply use the SimpleDateFormat library, and create …
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GUI – Refinements – Error Messages

This entry is part 11 of 13 in the series
Zellers Algorithm

The next refinement is simple. I want the output box to change colour, when the output of the calculation contains the word ‘Error’. How I have decided to handle this is by creating a new String before sending setting it as the content of the JTextField element. I have also decided to add a few …
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GUI – Refinements – ComboBoxes

This entry is part 10 of 13 in the series
Zellers Algorithm

The first refinement i wish to make is to make the inputs for Day and Month to be ComboBoxes. In order to do this I first need to create two arrays containing all the values for the days(0 – 31) and months(“—” to “December”). The arrays will both store these values as strings and then …
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