A UML behavioral model is this UML Activity Diagram for Library Management System. It depicts the system's behavior by displaying the flow of activities from one to the next. The flow of activities can be sequential, split, or continuous. The library management system project details are shown in the table. It contains all of the project's details. The Library System Activity Diagram is important because it allows interaction between developers and clients. This is accomplished by assisting them in visualizing the system's functionality in varying degrees of detail. The Activity Diagram for Library System Using Swimlanes is provided to explain its concepts further. This Activity Diagram with Swim Lanes depicts various scenarios and is based on its users.