Please help ASAP

this a continuation question from previous one the half is answered in the link below, please continue from that.

https://www.chegg.com/homework-help/questions-and-answers/please-donot-use-java-library-help-complete-given-constructors--package-junittests-import--q70432371

You cannot use any Java library classes (e.g., ArrayList) or methods for implementation. That is, there must not be any import statement in the class(es) you add to the model package.

/* * Recommended exercises: * Visualizing and tracing (on both debugger and paper) on how objects are created and manipulated * in each test would be extremely valuable for reinforcing your understanding. */ @Test public void test03a() { Instructor alan = new Instructor("A. Wassyng", 70130, "jackie@eecs.yorku.ca"); Instructor mark = new Instructor("M. Lawford", 70139, "jonathan@yorku.ca"); Participant suyeon = new Participant("S. Y. Lee"); /* * Length of the returned array from `getRegistrations` corresponds to * the number of registrations added by the participant so far. * See the instructions PDF regarding the max number of registrations that can be added. */ Registration[] suyeonRegistrations = suyeon.getRegistrations(); String report = suyeon.getGPAReport(); /* empty list of registrations to begin with */ assertTrue(suyeonRegistrations.length == 0); /* GPA undefined over an empty list of registrations */ assertEquals("No GPA available yet for S. Y. Lee", report); /* non-registered courses have default marks -1 */ assertTrue(suyeon.marksOf("Intro. to OOP") == -1); assertTrue(suyeon.marksOf("Heavy Metal Music") == -1); assertTrue(suyeon.marksOf("Psychology I") == -1); Registration r1 = new Registration("Intro. to OOP", alan); /* add two registrations for suyeon * Hints: * - Are the two `addRegistration` calls denote the same method? * - Or an overloaded method (i.e., methods with the same name but distinct input parameter types)? */ suyeon.addRegistration(r1); suyeon.addRegistration("Heavy Metal Music"); assertTrue(suyeon.getRegistrations().length == 2 && suyeon.getRegistrations()[0] == r1 && suyeon.getRegistrations()[1].getTitle().equals("Heavy Metal Music") && suyeon.getRegistrations()[1].getInstructor() == null); assertTrue(suyeon.getRegistrations()[0].getMarks() == 0); assertTrue(suyeon.getRegistrations()[1].getMarks() == 0); assertTrue(suyeon.marksOf("Intro. to OOP") == 0); /* now a registered course */ assertTrue(suyeon.marksOf("Heavy Metal Music") == 0); /* now a registered course */ assertTrue(suyeon.marksOf("Psychology I") == -1); /* still a non-registered course */ suyeon.getRegistrations()[1].setInstructor(mark); assertTrue(suyeon.getRegistrations()[1].getInstructor() == mark); /* * Notice the format of GPA report: * - GPA value is displayed with 1 digit after the decimal point. * - The comma-separated list of `GradePoint (LetterGrade)` is surrounded by curly braces. * - There is a space after each comma and after the colon. */ assertEquals("S. Y. Lee's GPA of {0 (F), 0 (F)}: 0.0", suyeon.getGPAReport()); suyeon.updateMarks("Intro. to OOP", 61); suyeon.updateMarks("Heavy Metal Music", 79); /* non-existing course -> do nothing */ suyeon.updateMarks("Psychology I", 89); assertTrue(suyeon.getRegistrations()[0].getMarks() == 61); /* Grade: C; GP: 6 */ assertTrue(suyeon.getRegistrations()[1].getMarks() == 79); /* Grade: B; GP: 7 */ assertTrue(suyeon.marksOf("Intro. to OOP") == 61); assertTrue(suyeon.marksOf("Heavy Metal Music") == 79); assertTrue(suyeon.marksOf("Psychology I") == -1); /* GPA = sum of GPs divided by number of courses */ assertEquals("S. Y. Lee's GPA of {6 (C), 7 (B)}: 6.5", suyeon.getGPAReport()); Participant yuna = new Participant("Y. Lee"); yuna.addRegistration(new Registration("Heavy Metal Music", mark)); yuna.addRegistration(new Registration("Intro. to OOP", alan)); /* Q. Can you understand the two occurrences of anonymous objects below? */ yuna.addRegistration(new Registration( "Psychology I", new Instructor("Tom", 70141, "tom@yorku.ca"))); yuna.updateMarks("Heavy Metal Music", 85); yuna.updateMarks("Intro. to OOP", 58); yuna.updateMarks("Psychology I", 66); assertTrue(yuna.getRegistrations()[0].getMarks() == 85); /* Grade: A; GP: 8 */ assertTrue(yuna.getRegistrations()[1].getMarks() == 58); /* Grade: D; GP: 5 */ assertTrue(yuna.getRegistrations()[2].getMarks() == 66); /* Grade: C; GP: 6 */ assertTrue(yuna.marksOf("Heavy Metal Music") == 85); assertTrue(yuna.marksOf("Intro. to OOP") == 58); assertTrue(yuna.marksOf("Psychology I") == 66); assertEquals("Y. Lee's GPA of {8 (A), 5 (D), 6 (C)}: 6.3", yuna.getGPAReport()); /* Suyeon and Yuna are classmates of two courses, * but the registration objects are distinct. */ assertEquals(suyeon.getRegistrations()[0].getTitle(), yuna.getRegistrations()[1].getTitle()); assertTrue(suyeon.getRegistrations()[0] != yuna.getRegistrations()[1]); assertEquals(suyeon.getRegistrations()[1].getTitle(), yuna.getRegistrations()[0].getTitle()); assertTrue(suyeon.getRegistrations()[1] != yuna.getRegistrations()[0]); /* At the end of the semester, clear registrations of students. */ suyeon.clearRegistrations(); yuna.clearRegistrations(); assertTrue(suyeon.getRegistrations().length == 0 && yuna.getRegistrations().length == 0); assertTrue(suyeon.getGPAReport().equals("No GPA available yet for S. Y. Lee") && yuna.getGPAReport().equals("No GPA available yet for Y. Lee")); String[] courses = {"Intro. to OOP", "Heavy Metal Music", "Psychology I", "Software Design"}; /* Q. Without the loop below, * how many lines of assertions need to be written explicitly? */ for(int i = 0; i < courses.length; i ++) { assertTrue(suyeon.marksOf(courses[i]) == -1); assertTrue(yuna.marksOf(courses[i]) == -1); } /* Next semester, students may choose to re-take some courses. */ suyeon.addRegistration("Heavy Metal Music"); suyeon.updateMarks("Heavy Metal Music", 99); assertTrue(suyeon.getRegistrations().length == 1); assertEquals("S. Y. Lee's GPA of {9 (A+)}: 9.0", suyeon.getGPAReport()); assertEquals("Heavy Metal Music has not yet been assigned an instructor", suyeon.getRegistrations()[0].getInformation()); } /* * Recommended exercises: * Visualizing and tracing (on both debugger and paper) on how objects are created and manipulated * in each test would be extremely valuable for reinforcing your understanding. */ @Test public void test03b() { Participant heeyeon = new Participant("H. Y. Kang"); Registration r1 = new Registration("EECS2001"); Registration r2 = new Registration("EECS2011"); Registration r3 = new Registration("EECS2021"); Registration r4 = new Registration("EECS2031"); Registration r5 = new Registration("EECS1090"); Registration[] list = {r1, r2, r3, r4, r5}; /* Q. Without the loop below, * how many lines of assertions need to be written explicitly? */ for(int i = 0; i < list.length; i ++) { heeyeon.addRegistration(list[i]); assertTrue(heeyeon.getRegistrations().length == i + 1); assertTrue(heeyeon.getRegistrations()[i] == list[i]); } /* Maximum number of registrations allowed is 5. * Adding beyond the maximum capacity will have no effect. */ heeyeon.addRegistration(new Registration("ECON1000")); heeyeon.addRegistration(new Registration("ECON1010")); assertTrue(heeyeon.getRegistrations().length == 5); assertTrue(heeyeon.getRegistrations()[0] == r1); assertTrue(heeyeon.getRegistrations()[1] == r2); assertTrue(heeyeon.getRegistrations()[2] == r3); assertTrue(heeyeon.getRegistrations()[3] == r4); assertTrue(heeyeon.getRegistrations()[4] == r5); } /* * Recommended exercises: * Visualizing and tracing (on both debugger and paper) on how objects are created and manipulated * in each test would be extremely valuable for reinforcing your understanding. */

please pass all the j unit tests.

the next test will be posted in another question