1 files changed, 27 insertions, 0 deletions
diff --git a/challenge-120/abigail/java/ch-1.java b/challenge-120/abigail/java/ch-1.java
new file mode 100644
index 0000000000..66cf3ee4e7
--- /dev/null
+++ b/challenge-120/abigail/java/ch-1.java
@@ -0,0 +1,27 @@
+//
+// See ../README.md
+//
+
+//
+// Run as: ln ch-1.java ch1.java; javac ch1.java; java ch1 < input-file
+//
+
+import java.util.*;
+
+public class ch1 {
+    public static void main (String [] args) {
+        Scanner scanner = new Scanner (System . in);
+        try {
+            while (true) {
+                int num = scanner . nextInt ();
+                System . out . println ( (num & 0x55) << 1
+                                       | (num & 0xAA) >> 1);
+            }
+        }
+        catch (Exception e) {
+            //
+            // EOF
+            //
+        }
+    }
+}