added missing exercises

ChrisMayfield · ChrisMayfield · commit 2b9b3d60bdd8 · 2016-03-09T11:05:34.000-05:00
diff --git a/ch05/Buzz.java b/ch05/Buzz.java
@@ -0,0 +1,22 @@
+public class Buzz {
+
+    public static void baffle(String blimp) {
+        System.out.println(blimp);
+        zippo("ping", -5);
+    }
+
+    public static void zippo(String quince, int flag) {
+        if (flag < 0) {
+            System.out.println(quince + " zoop");
+        } else {
+            System.out.println("ik");
+            baffle(quince);
+            System.out.println("boo-wa-ha-ha");
+        }
+    }
+
+    public static void main(String[] args) {
+        zippo("rattle", 13);
+    }
+
+}
diff --git a/ch06/Recursive.java b/ch06/Recursive.java
@@ -0,0 +1,17 @@
+public class Recursive {
+
+    public static void main(String[] args) {
+        System.out.println(prod(1, 4));
+    }
+
+    public static int prod(int m, int n) {
+        if (m == n) {
+            return n;
+        } else {
+            int recurse = prod(m, n-1);
+            int result = n * recurse;
+            return result;
+        }
+    }
+
+}
