read through ch04

ChrisMayfield · ChrisMayfield · commit c560ff5757c1 · 2016-03-08T19:23:43.000-05:00
diff --git a/ch04/Exercise.java b/ch04/Exercise.java
@@ -0,0 +1,25 @@
+public class Exercise {
+    
+    public static void zoop() {
+        baffle();
+        System.out.print("You wugga ");
+        baffle();
+    }
+    
+    public static void main(String[] args) {
+        System.out.print("No, I ");
+        zoop();
+        System.out.print("I ");
+        baffle();
+    }
+    
+    public static void baffle() {
+        System.out.print("wug");
+        ping();
+    }
+    
+    public static void ping() {
+        System.out.println(".");
+    }
+    
+}
diff --git a/ch04/Methods.java b/ch04/Methods.java
@@ -13,7 +13,8 @@ public static void main(String[] args) {
         double radians = Math.toRadians(180.0);
         double degrees2 = Math.toDegrees(Math.PI);
         long x = Math.round(Math.PI * 20.0);
-        double x2 = Math.cos(angle + Math.PI / 2);
+        
+        double x2 = Math.cos(angle + Math.PI / 2.0);
         double x3 = Math.exp(Math.log(10.0));
         double x4 = Math.pow(2.0, 10.0);
     }
