diff --git a/u05/TypeConversion.class b/u05/TypeConversion.class
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Binary files /dev/null and b/u05/TypeConversion.class differ
diff --git a/u05/TypeConversion.java b/u05/TypeConversion.java
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--- /dev/null
+++ b/u05/TypeConversion.java
@@ -0,0 +1,12 @@
+public class TypeConversion {
+    public static void main(String[] args) {
+        int x;
+        double y;
+        // x = 5.4 * 4.3;
+        // x = 3.00001 - 1.00001;
+        x = (int) (3.00001 - 1.00001);
+        x = 4 / 5;
+        y = 2 - 1;
+        y = 3.0 * 2.6;
+    }
+}