Extracted getUserInput as a helper method for multiple methods

src/main/java/edu/unl/cse/soft160/statistics/Statistics.java

@@ -10,15 +10,22 @@ public class Statistics {
 		MEAN, MEDIAN, MAXIMUM, MINIMUM,
 	}
 	
+	private static String getUserInput(String prompt, Scanner scanner) {
+		System.out.print(prompt);
+		String userInput = scanner.nextLine();
+		return userInput;
+	}
+
 	private static double getValue(String ordinal, Scanner scanner) {
-		System.out.print("Enter the " + ordinal + " value: ");
-		double value = Double.parseDouble(scanner.nextLine());
+		String userInput = getUserInput("Enter the " + ordinal + " value: ", scanner);
+		double value;
+		value = Double.parseDouble(userInput);
 		return value;
 	}
 
 	private static StatisticsType getStaticsticsType(Scanner scanner) {
-		System.out.print("Please enter the statistic to calculate: ");
-		String userInput = scanner.nextLine().toUpperCase();
+		String userInput = getUserInput("Please enter the statistic to calculate: ", scanner);
+		userInput = userInput.toUpperCase();
 		StatisticsType statisticsType = StatisticsType.valueOf(userInput);
 		return statisticsType;
 	}