labs

labs/lab10/Backwards.java

@@ -0,0 +1,35 @@
+// ****************************************************************** 
+// Backwards.java 
+// 
+// Uses a recursive method to print a string backwards. 
+// ****************************************************************** 
+import java.util.Scanner; 
+public class Backwards 
+{ 
+ //-------------------------------------------------------------- 
+ // Reads a string from the user and prints it backwards. 
+ //-------------------------------------------------------------- 
+ public static void main(String[] args) 
+ { 
+ String msg; 
+ Scanner scan = new Scanner(System.in); 
+ System.out.print("Enter a string: "); 
+ msg = scan.nextLine(); 
+ System.out.print("\nThe string backwards: "); 
+ printBackwards(msg); 
+ System.out.println(); 
+ } 
+ 
+ //-------------------------------------------------------------- 
+ // Takes a string and recursively prints it backwards. 
+ //-------------------------------------------------------------- 
+ public static void printBackwards(String s) 
+ { 
+    if (s.isEmpty()) {
+        return;
+    }
+        System.out.print(s.charAt(s.length() - 1)); 
+        printBackwards(s.substring(0, s.length() - 1)); 
+ // Fill in code 
+ } 
+}