Add Ex 18.8

Author: jsquared21

Diff for: Exercise_18/Exercise_18_08/Exercise_18_08.class

@@ -0,0 +1,35 @@
+/*********************************************************************************
+* (Print the digits in an integer reversely) Write a recursive method that       *
+* displays an int value reversely on the console using the following header:     *
+*                                                                                *
+* public static void reverseDisplay(int value)                                   *
+*                                                                                *
+* For example, reverseDisplay(12345) displays 54321. Write a test program that   *
+* prompts the user to enter an integer and displays its reversal.                *
+*********************************************************************************/
+import java.util.Scanner;
+
+public class Exercise_18_08 {
+	/** Main method */
+	public static void main(String[] args) {
+		// Create a Scanner
+		Scanner input = new Scanner(System.in);
+
+		// Prompt the user to enter an integer
+		System.out.print("Enter an integer: ");
+		int value = input.nextInt();
+
+		// Display value reversely
+		reverseDisplay(value);
+	}
+
+	/** Method displays an int value reversely */
+	private static void reverseDisplay(int value) {
+		if (value < 10) // Base case
+			System.out.println(value);
+		else { 
+			System.out.print(value % 10);
+			reverseDisplay(value / 10); // Recursive call
+		}
+	}
+}