Design some Digram

Name of software : College Social Network Web Project The project document should contain: •  Business Case – documentation of your understanding of the project (text format) •  Business Analysis Model (Screenshot ) •  System Use Case Diagram (Screenshot) •  System Class diagram with well-defined classes, attributes and operations (Screenshot) •  System Sequence Diagram representing the communication (Screenshot) •  Structure Java code of the Class diagram (text format) •  System Communication and Activity Diagram ( Screenshot) •  State Machine Diagram (Screenshot) i recommend STARUML to design digram