Added source files (Programmieren Tutorium)

presentations/Programmieren-Tutorium/Tutorium-02/Shark.java

@@ -0,0 +1,17 @@
+public class Shark {
+    // attributes
+    private Laser laserAttachedToHead;
+
+    // methods
+    public void attack(Enemy e) {
+        this.laserAttachedToHead.fire(e);
+    }
+
+    private void eat() {
+        // rawr!
+    }
+}
+
+// invoke method
+Shark erik = new Shark();
+erik.attack(somalianPirate);