diff --git a/src/main/java/com/hy/java/uct/umlrecog/ClassDiagramRecognizer.java b/src/main/java/com/hy/java/uct/umlrecog/ClassDiagramRecognizer.java
new file mode 100644
index 0000000000000000000000000000000000000000..82042dd04d05f639b158f6db389560b1ba773dbc
--- /dev/null
+++ b/src/main/java/com/hy/java/uct/umlrecog/ClassDiagramRecognizer.java
@@ -0,0 +1,5 @@
+package com.hy.java.uct.umlrecog;
+
+public class ClassDiagramRecognizer {
+
+}
diff --git a/src/main/java/com/hy/java/uct/umlrecog/SequenceDiagramRecognizer.java b/src/main/java/com/hy/java/uct/umlrecog/SequenceDiagramRecognizer.java
new file mode 100644
index 0000000000000000000000000000000000000000..d4056028a190ae9c0e43cec2dbce3658faaeeefc
--- /dev/null
+++ b/src/main/java/com/hy/java/uct/umlrecog/SequenceDiagramRecognizer.java
@@ -0,0 +1,5 @@
+package com.hy.java.uct.umlrecog;
+
+public class SequenceDiagramRecognizer {
+
+}
diff --git a/src/main/java/com/hy/java/uct/umlrecog/UMLDiagramRecognizer.java b/src/main/java/com/hy/java/uct/umlrecog/UMLDiagramRecognizer.java
new file mode 100644
index 0000000000000000000000000000000000000000..93c8420bff18b89a5cec79fa1d0b6e9e687dd1eb
--- /dev/null
+++ b/src/main/java/com/hy/java/uct/umlrecog/UMLDiagramRecognizer.java
@@ -0,0 +1,10 @@
+package com.hy.java.uct.umlrecog;
+
+public class UMLDiagramRecognizer {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+
+	}
+
+}
diff --git a/src/main/java/com/hy/java/uct/umlrecog/cddetector/ClassDetector.java b/src/main/java/com/hy/java/uct/umlrecog/cddetector/ClassDetector.java
new file mode 100644
index 0000000000000000000000000000000000000000..2e9bd0ccfd508da6aa8d9821cc2e5c1638827046
--- /dev/null
+++ b/src/main/java/com/hy/java/uct/umlrecog/cddetector/ClassDetector.java
@@ -0,0 +1,5 @@
+package com.hy.java.uct.umlrecog.cddetector;
+
+public class ClassDetector {
+
+}
diff --git a/src/main/java/com/hy/java/uct/umlrecog/cddetector/ClassRelationDetector.java b/src/main/java/com/hy/java/uct/umlrecog/cddetector/ClassRelationDetector.java
new file mode 100644
index 0000000000000000000000000000000000000000..6e30f4d8b39af3b30defa30745faf32a3ed2d6f8
--- /dev/null
+++ b/src/main/java/com/hy/java/uct/umlrecog/cddetector/ClassRelationDetector.java
@@ -0,0 +1,5 @@
+package com.hy.java.uct.umlrecog.cddetector;
+
+public class ClassRelationDetector {
+
+}
diff --git a/src/main/java/com/hy/java/uct/umlrecog/sddetector/LoopDetector.java b/src/main/java/com/hy/java/uct/umlrecog/sddetector/LoopDetector.java
new file mode 100644
index 0000000000000000000000000000000000000000..633507e638862df4cf7a4c50f0f011a4b849d9ce
--- /dev/null
+++ b/src/main/java/com/hy/java/uct/umlrecog/sddetector/LoopDetector.java
@@ -0,0 +1,5 @@
+package com.hy.java.uct.umlrecog.sddetector;
+
+public class LoopDetector {
+
+}
diff --git a/src/main/java/com/hy/java/uct/umlrecog/sddetector/MessageDetector.java b/src/main/java/com/hy/java/uct/umlrecog/sddetector/MessageDetector.java
new file mode 100644
index 0000000000000000000000000000000000000000..be6d04f3c76d8b8068d9c47d8fccb784c8d5947b
--- /dev/null
+++ b/src/main/java/com/hy/java/uct/umlrecog/sddetector/MessageDetector.java
@@ -0,0 +1,5 @@
+package com.hy.java.uct.umlrecog.sddetector;
+
+public class MessageDetector {
+
+}
diff --git a/src/main/java/com/hy/java/uct/umlrecog/sddetector/ObjectDetector.java b/src/main/java/com/hy/java/uct/umlrecog/sddetector/ObjectDetector.java
new file mode 100644
index 0000000000000000000000000000000000000000..c6f56f2592d700d019081ce7cf7193a651866be7
--- /dev/null
+++ b/src/main/java/com/hy/java/uct/umlrecog/sddetector/ObjectDetector.java
@@ -0,0 +1,5 @@
+package com.hy.java.uct.umlrecog.sddetector;
+
+public class ObjectDetector {
+
+}
diff --git a/src/main/java/com/hy/java/uct/umlrecog/util/ArrowDetector.java b/src/main/java/com/hy/java/uct/umlrecog/util/ArrowDetector.java
new file mode 100644
index 0000000000000000000000000000000000000000..925982acc6587b191ec1038fe13d5cf28243f634
--- /dev/null
+++ b/src/main/java/com/hy/java/uct/umlrecog/util/ArrowDetector.java
@@ -0,0 +1,5 @@
+package com.hy.java.uct.umlrecog.util;
+
+public class ArrowDetector {
+
+}
diff --git a/src/main/java/com/hy/java/uct/umlrecog/util/LineDetector.java b/src/main/java/com/hy/java/uct/umlrecog/util/LineDetector.java
new file mode 100644
index 0000000000000000000000000000000000000000..409a116c4dd3e61fd19d20f10c8dc180962bbe95
--- /dev/null
+++ b/src/main/java/com/hy/java/uct/umlrecog/util/LineDetector.java
@@ -0,0 +1,5 @@
+package com.hy.java.uct.umlrecog.util;
+
+public class LineDetector {
+
+}
diff --git a/src/main/java/com/hy/java/uct/umlrecog/util/RectangleDetector.java b/src/main/java/com/hy/java/uct/umlrecog/util/RectangleDetector.java
new file mode 100644
index 0000000000000000000000000000000000000000..a16ad5d5b006159e5c0a55e58c9bcf895a0a4590
--- /dev/null
+++ b/src/main/java/com/hy/java/uct/umlrecog/util/RectangleDetector.java
@@ -0,0 +1,5 @@
+package com.hy.java.uct.umlrecog.util;
+
+public class RectangleDetector {
+
+}
diff --git a/src/main/java/com/hy/java/uct/umlrecog/util/TextDetector.java b/src/main/java/com/hy/java/uct/umlrecog/util/TextDetector.java
new file mode 100644
index 0000000000000000000000000000000000000000..a865e1fc0cc7493fa22e1e3fcc3e6167a06d5c0d
--- /dev/null
+++ b/src/main/java/com/hy/java/uct/umlrecog/util/TextDetector.java
@@ -0,0 +1,5 @@
+package com.hy.java.uct.umlrecog.util;
+
+public class TextDetector {
+
+}