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| 1 | import java.util.Scanner; | |
| 2 | ||
| 3 | public class PromptInRange | |
| 4 | {
| |
| 5 | public static int promptIntInRange(int min, int max, String minError, String maxError) | |
| 6 | {
| |
| 7 | Scanner user_input = new Scanner(System.in); | |
| 8 | int number; | |
| 9 | ||
| 10 | do | |
| 11 | {
| |
| 12 | - | System.out.print("Please enter a whole number: ");
|
| 12 | + | |
| 13 | number = user_input.nextInt(); | |
| 14 | ||
| 15 | - | if (number < 0) |
| 15 | + | |
| 16 | {
| |
| 17 | - | System.out.print("That's a negative number. ");
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| 17 | + | |
| 18 | } | |
| 19 | - | } while (number < 0); |
| 19 | + | |
| 20 | {
| |
| 21 | System.out.print(maxError + " "); | |
| 22 | } | |
| 23 | } while (number < min || number > max); | |
| 24 | ||
| 25 | return number; | |
| 26 | } | |
| 27 | ||
| 28 | public static int promptIntInRange(int min, int max, String error) | |
| 29 | {
| |
| 30 | return promptIntInRange(min, max, error + " "); | |
| 31 | } | |
| 32 | ||
| 33 | public static int promptIntInRange(int min, int max) | |
| 34 | - | if (number < min || number > max) |
| 34 | + | |
| 35 | return promptIntInRange(min, max, "That's out of range."); | |
| 36 | - | System.out.print("That's out of range. ");
|
| 36 | + | |
| 37 | ||
| 38 | public static int promptWholeNumber() | |
| 39 | {
| |
| 40 | return promptIntInRange(0, Integer.MAX_VALUE, "That's a negative number."); | |
| 41 | } | |
| 42 | } |