Merge pull request YearOfProgramming#429 from JakeBash/master reviewe…

…d by slandau

[Java] Challenge 1 (reviewd and merged)

challenge_1/java/JakeBash/Challenge_1.java

@@ -0,0 +1,41 @@
+import java.util.Scanner;
+
+/**
+ * This class holds the code needed to meet the requirements for Challenge 1 of
+ * the 2017 Year of Programming.
+ *
+ * @author Jake Bashaw
+ */
+public class Challenge_1
+{
+    /**
+     * Prints the reversed version of the standard input supplied by the user
+     */
+    public static void main(String args[])
+    {
+        System.out.print("> ");
+        Scanner kb = new Scanner(System.in);
+        String input = kb.nextLine();
+        System.out.println(reverseString(input));
+    }
+
+    /**
+     * Reverses and returns a String
+     *
+     * @param input The String to be reversed
+     */
+    public static String reverseString(String input)
+    {
+        StringBuilder sb = new StringBuilder(input);
+        char forChar;
+        char revChar;
+        for(int i=0; i<sb.length()/2; i++)
+        {
+            forChar = sb.charAt(i);
+            revChar = sb.charAt(sb.length()-i-1);
+            sb.setCharAt(i, revChar);
+            sb.setCharAt(sb.length()-i-1, forChar);
+        }
+        return sb.toString();
+    }
+}