Minor modifications to clean code. Adjusted spacings, removed unused variables, transferred class variable into method using it directly, etc.
Modified classes AddData and EditPosition to use showDataNoLimit(String query) method to show Position and Department Lists
Modified class:ViewEmployeeData method:showData - added code to limit number of data queried/retrieved from database.
Modified class:PrintDisplay method: printDatabaseData(List<String> column) - added new method that prints an ArrayList of table row data (ArrayLiist of table column of String type). Different print formats for different column data.