Editing Existing Controller File
Start by opening a Controller File:
1.) To open click: Tools->Code Editor->File->Open
NOTE: ALL of the Controller Files should be stored in the controller directory
Open in front of you will be the code in RED coloured font. At the top of the Code Editor frame will be the full path and name of the opened Controller File. Now you are ready to edit the document and make any desired changes. When you are satisfied with your alterations you should do the following:
2.) To save the Controller File: File->Save or File->Save As
NOTE: If the save name of the file is changed please alter the class name and ALL constructors in the Controller File since this is a requirement of a JAVA file.