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suboption "genJson"; class University { singleton; lazy name; lazy Float tuition; 1 -- * Course; } class Person { Integer id; name; } class Student { isA Person; Float tuitionPaid; } class PartTimeStudent { isA Student; Boolean isExemptFromFees; } class Employee { isA Person; Double salary; lazy job; * -- * CourseSection teaches; } association { * Student -- 1 University; } class Course { title; } class CourseSection { code; * -- 1 Course; } associationClass Registration { * Student; * CourseSection; lazy grade; } class University { public static void main (String[] args) Java{ University u = new University(); u.setName("UOttawa"); u.setTuition(1000.00f); Student s1 = new Student(101, "Tim", 800.0f, u); Student s2 = new Student(102, "Jane", 2000.0f, u); Student s3 = new Student(103, "Ali", 750.0f, u); PartTimeStudent s4= new PartTimeStudent(104, "Marie", 600.56f, u, false); Employee e1 = new Employee(202, "Julia", 6585.45); Employee e2 = new Employee(203, "Robin", 8785.11); e2.setJob("Advisor"); Course ca= new Course("Architecture",u); Course cb= new Course("Biology",u); CourseSection csa1= new CourseSection("A1",ca); e1.addTeache(csa1); CourseSection csa2= new CourseSection("A2",ca); e1.addTeache(csa1); CourseSection csb1= new CourseSection("B1",cb); e2.addTeache(csa1); e1.addTeache(csa1); // two teachers for this new Registration(s1,csa1); new Registration(s1,csb1); new Registration(s2,csa2); new Registration(s2,csb1); new Registration(s2,csa1); new Registration(s3,csb1); new Registration(s4,csa2); String jsonString = u.toJson(); University u2 = University.fromJson(jsonString); System.out.println("----- fromJson object -------\n"+u2); System.out.println("----- fromJson ---> toJson ------"); System.out.println(u2.toJson()); } } // @@@skipcompile Temporary to bootstrap
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