import java.util.ArrayList; public class Department { private String DepartmentName; ArrayList Workers; public Department(String departmentName, ArrayList workers) { this.DepartmentName = departmentName; this.Workers = new ArrayList(); } public void addworker(Worker newWorkers) { this.Workers.add( newWorkers); } public Worker getworkerAtGroup(int i) { return this.Workers.get(i); } public void printAllWorkerAtGroup() { System.out.println(this.DepartmentName); for (int i = 0; i < this.Workers.size(); i++) { Worker temp = this.Workers.get(i); temp.printdetail(); } } }