Created interfaces for getInfo and displayOptions, changed the displayOptions function name to "display" throughout classes
Changed "DisplayOptions" to "Display" for more cohesive interface language
Changed "DisplayOptions" to "Display" for more cohesive interface language
Changed "DisplayOptions" to "Display" for more cohesive interface language
Changed "DisplayOptions" to "Display" for more cohesive interface language
Created EnterInfo interface with getInput function signature
Created DisplayInfo interface with display function signature