Created
February 24, 2022 19:47
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Prompt the user for and integer - validation included
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| /** | |
| * Prompt the user for and integer | |
| * | |
| * @param message Prompt message | |
| * @param range The range the integer is suppose to be in | |
| * @return Validated integer | |
| */ | |
| public static int promptNumericInt(String message, Map.Entry<Integer, Integer> range) { | |
| boolean error = true; | |
| int value = 0; | |
| do { | |
| try { | |
| System.out.print(message); | |
| value = scanner.nextInt(); | |
| if (!inRange(value, range.getKey(), range.getValue())) { | |
| System.out.println("Value out of range"); | |
| continue; | |
| } | |
| error = false; | |
| } catch (InputMismatchException exception) { | |
| scanner.next(); | |
| System.out.println("Not a number"); | |
| } | |
| } while (error); | |
| return value; | |
| } | |
| /** | |
| * Prompt the user for and integer - the whole domain is considered (no upper or lower limits) | |
| * | |
| * @param message Prompt message | |
| * @return Integer | |
| */ | |
| public static int promptNumericInt(String message) { | |
| return promptNumericInt(message, new AbstractMap.SimpleEntry<>(Integer.MIN_VALUE, Integer.MAX_VALUE)); | |
| } |
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