diff --git a/unitofwork/etc/unit-of-work.urm.puml b/unitofwork/etc/unit-of-work.urm.puml
new file mode 100644
index 000000000..329185e30
--- /dev/null
+++ b/unitofwork/etc/unit-of-work.urm.puml
@@ -0,0 +1,10 @@
+@startuml
+package com.iluwatar.unitofwork {
+  class Student {
+    - address : String
+    - id : Integer
+    - name : String
+    + Student(id : Integer, name : String, address : String)
+  }
+}
+@enduml
\ No newline at end of file
diff --git a/unitofwork/src/main/java/com/iluwatar/unitofwork/Student.java b/unitofwork/src/main/java/com/iluwatar/unitofwork/Student.java
new file mode 100644
index 000000000..fa80089f2
--- /dev/null
+++ b/unitofwork/src/main/java/com/iluwatar/unitofwork/Student.java
@@ -0,0 +1,46 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Piyush Chaudhari
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package com.iluwatar.unitofwork;
+
+/**
+ * {@link Student} is an entity.
+ */
+public class Student {
+  private Integer id;
+  private String name;
+  private String address;
+
+  /**
+   * @param id      student unique id
+   * @param name    name of student
+   * @param address address of student
+   */
+  public Student(Integer id, String name, String address) {
+    this.id = id;
+    this.name = name;
+    this.address = address;
+  }
+  
+}