The IRLE notes that blue collar and manual workers can be replaced for an average cost of $2,000, while the average cost for managerial and professional employees may be as high as $7,000.
By defining a Node * typedef, it is assured that all the variables will be structure pointer types, or say, that each variable is a pointer type pointing to a structure type.
Formatted text fields provide a way for developers to specify the valid set of characters that can be typed in a text field. Specifically, the JFormattedTextField class adds a formatter and an object value to the features inherited from the JTextField class.