boolean array puzzle done

Author: Ram swaroop

src/me/ramswaroop/bits/BooleanArrayPuzzle.java

@@ -0,0 +1,31 @@
+package me.ramswaroop.bits;
+
+import java.util.Arrays;
+
+/**
+ * Created by IntelliJ IDEA.
+ *
+ * @author: ramswaroop
+ * @date: 6/12/15
+ * @time: 3:31 PM
+ */
+public class BooleanArrayPuzzle {
+
+    /**
+     * Change 1 to 0 in an array of length 2 containing
+     * one 0 and the other either 1 or 0.
+     *
+     * @param a
+     * @return
+     */
+    public static int[] change1To0InArray(int a[]) {
+        a[a[1]] = a[a[0]];
+        return a;
+    }
+
+    public static void main(String a[]) {
+        System.out.println(Arrays.toString(change1To0InArray(new int[]{0, 0})));
+        System.out.println(Arrays.toString(change1To0InArray(new int[]{0, 1})));
+        System.out.println(Arrays.toString(change1To0InArray(new int[]{1, 0})));
+    }
+}