AP计算机科学A 2019年真题 附答案和评分标准 AP Computer Science A 2019 Real Exam with Answers and Scoring Guidelines.pdfVIP

2019 ® AP Computer Science A Free-Response Questions © 2019 The College Board. College Board, Advanced Placement, AP, AP Central, and the acorn logo are registered trademarks of the College Board. Visit the College Board on the web: collegeboard.org. AP Central is the official online home for the AP Program: apcentral.collegeboard.org. 2019 AP® COMPUTER SCIENCE A FREE-RESPONSE QUESTIONS COMPUTER SCIENCE A SECTION II Time—1 hour and 30 minutes Number of questions—4 Percent of total score—50 Directions: SHOW ALL YOUR WORK. REMEMBER THAT PROGRAM SEGMENTS ARE TO BE WRITTEN IN JAVA. Notes: • Assume that the interface and classes listed in the Java Quick Reference have been imported where appropriate. • Unless otherwise noted in the question, assume that parameters in method calls are not null and that methods are called only when their preconditions are satisfied. • In writing solutions for each question, you may use any of the accessible methods that are listed in classes defined in that question. Writing significant amounts of code that can be replaced by a call to one of these methods will not receive full credit. © 2019 The College Board. Visit the College Board on the web: collegeboard.org. GO ON TO THE NEXT PAGE. -2- 2019 AP® COMPUTER SCIENCE A FREE-RESPONSE QUESTIONS 1. The APCalendar class contains methods used to calculate information about a calendar. You will write two methods of the class. public