@@ -0,0 +1,201 @@
+/**%0A*%0A* @author levisjani%0A*/%0A%0Apublic class Memento %7B%0A   private String state;%0A%0A   public Memento(String state)%7B%0A      this.state = state;%0A   %7D%0A%0A   public String getState()%7B%0A      return state;%0A   %7D%09%0A%7D%0A

Create Memento.java