diff --git a/TracerOnJavassist/src/_arraySample/A.java b/TracerOnJavassist/src/_arraySample/A.java
new file mode 100644
index 0000000..2d43b0a
--- /dev/null
+++ b/TracerOnJavassist/src/_arraySample/A.java
@@ -0,0 +1,16 @@
+package _arraySample;
+
+
+public class A {
+	Object array[] = new Object[1];
+	D d = new D();
+	
+	public void init() {
+		array[0] = new B();
+	}
+
+	public void start() {
+		d.setC(((B)array[0]).getC());	
+	}
+
+}