Work on Dependency Injection example.

dependency-injection/src/main/java/com/iluwatar/OldTobyTobacco.java

@@ -0,0 +1,9 @@
+package com.iluwatar;
+
+public class OldTobyTobacco implements Tobacco {
+
+	@Override
+	public void smoke() {
+		System.out.println(String.format("Smoking %s", this.getClass().getSimpleName()));
+	}
+}