Employee employee = // get the Employee EClass int classifierId = employee.getClassifierID(); // returns 100
EClass newClass = EcoreFactory.eINSTANCE.createEClass(); newClass.setClassifierID(300); newClass.setName("NewClass");This code creates a new EClass object using the `createEClass()` factory method, sets its ID to 300, and sets its name to "NewClass". Package/Library: org.eclipse.emf.ecore