Author:Robert Elliott

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 …
Continue reading GUI Refinements – Today

The next refinement, is that I want the Year textfield to clear when it is either clicked on or tabbed to. In order to do this i need to implement not only the ActionListener but also the FocusListener. To do this I simply have to change the class header from: to this: I then have …
Continue reading GUI Refinements – Focus

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 …
Continue reading GUI – Refinements – Error Messages

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 …
Continue reading GUI – Refinements – ComboBoxes

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 …
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