diff --git a/TracerOnJavassist/src/arraySample/A.java b/TracerOnJavassist/src/arraySample/A.java
new file mode 100644
index 0000000..55bf4fe
--- /dev/null
+++ b/TracerOnJavassist/src/arraySample/A.java
@@ -0,0 +1,16 @@
+package arraySample;
+
+
+public class A {
+	B array[] = new B[1];
+	D d = new D();
+	
+	public void init() {
+		array[0] = new B();
+	}
+
+	public void start() {
+		d.setC(array[0].getC());	
+	}
+
+}
diff --git a/TracerOnJavassist/src/arraySample/B.java b/TracerOnJavassist/src/arraySample/B.java
new file mode 100644
index 0000000..316b463
--- /dev/null
+++ b/TracerOnJavassist/src/arraySample/B.java
@@ -0,0 +1,11 @@
+package arraySample;
+
+
+public class B {
+	C c = new C();
+
+	public C getC() {
+		return c;
+	}
+
+}
diff --git a/TracerOnJavassist/src/arraySample/C.java b/TracerOnJavassist/src/arraySample/C.java
new file mode 100644
index 0000000..2a68cdb
--- /dev/null
+++ b/TracerOnJavassist/src/arraySample/C.java
@@ -0,0 +1,5 @@
+package arraySample;
+
+public class C {
+
+}
diff --git a/TracerOnJavassist/src/arraySample/D.java b/TracerOnJavassist/src/arraySample/D.java
new file mode 100644
index 0000000..d2dad80
--- /dev/null
+++ b/TracerOnJavassist/src/arraySample/D.java
@@ -0,0 +1,9 @@
+package arraySample;
+
+public class D {
+	C c;
+
+	void setC(C c) {
+		this.c = c;
+	}
+}
diff --git a/TracerOnJavassist/src/arraySample/Main.java b/TracerOnJavassist/src/arraySample/Main.java
new file mode 100644
index 0000000..8e4b681
--- /dev/null
+++ b/TracerOnJavassist/src/arraySample/Main.java
@@ -0,0 +1,15 @@
+package arraySample;
+
+
+public class Main {
+
+	/**
+	 * @param args
+	 */
+	public static void main(String[] args) {
+		A a = new A();
+		a.init();
+		a.start();
+	}
+
+}