Beijing National Day School Department of Mathematics & Computer Science - APC Computer Science A - Semester 1 Exam

Q: What is the grading breakdown shown in the exam record?

The exam record lists Multiple Choice (20 points), Free Response (18 points), and Practical Coding (2 points), for a Total of 40 points.

Q: How are multiple-choice answers intended to be submitted?

The instructions indicate selecting the correct option by filling in the corresponding bubble on a separate answer sheet.

Q: What Java topics are assessed in the multiple-choice section?

The questions cover class fields and methods (getters/setters and constructors), conditional statements, string substring operations, nested loops and printed output, array and 2D array computations, and method return values.

Sep 20, 2026

Uploaded by Sarah

Semester 1 AP Computer Science A exam from Beijing National Day School, Department of Mathematics & Computer Science. The paper includes an exam record section with point breakdowns for multiple choice, free response, and practical coding, followed by Section I Multiple Choice (20 questions). Questions evaluate Java fundamentals such as class design, constructors, getters/setters, conditional logic, string manipulation with substring, nested loops and output behavior, array updates, 2D array indexing, and accumulator-based methods with return values or printed results.

LanguageEnglish

CategoryExam

FormatPDF

Pages22

Reading Time55 min

AccessFree to download

Section I: Multiple Choice

Questions (1-12 and beyond)

Beijing National Day School Department of Mathematics & Computer Science AP Computer Science A Semester 1 Exam English Name: Pinyin Name: Mr. Alwin Tareen, January 2020 Exam Record Multiple Choice / 20 pts Free Response / 18 pts Practical Coding / 2 pts Total: / 40 pts Grade: APCSA/S1E { Page 2 of 22 { Section I: Multiple Choice (20 points) 􀀏 Number of questions: 20 . Percent of total grade: 50% . 􀀏 Determine the answer to each of the following questions, using the available space for any necessary scratchwork. 􀀏 Decide which is the best of the choices given, and select the correct answer by 􀀌lling in the corresponding bubble on the separate answer sheet. 􀀏 Assume that the classes in the Java Quick Reference have been imported where needed. 􀀏 Assume that variables and methods are declared within the context of an enclosing class. (1pt) 1. Consider the following class declaration. public class Person { private String myName; private int myYearOfBirth; public Person(String name, int yearOfBirth){ myName = name; myYearOfBirth = yearOfBirth;} public String getName() { return myName; } public void setName(String name) { myName = name; }} Assume that the following declaration has been made. Person student = new Person("Thomas", 1995); Which of the following statements is the most appropriate for changing the name of student from "Thomas" to "Tom"? A student = new Person("Tom", 1995); B student .myName = "Tom"; C student .getName("Tom") D student .setName("Tom"); E Person .setName("Tom"); | | | --- | | 1 pt | APCSA/S1E { Page 3 of 22 { (1pt) 2. What is printed when the following code segment executes, and we have x = 4 and y = 3? if (!(x < 3 || y > 2)) System .out .println("first case"); else System .out .println("second case"); A first case B second case C first case second case D Nothing is printed out. E It will give a run-time error. (1pt) 3. Consider the following method: public static String scramble(String word, int howFar){ return word .substring(howFar+1,word .length()) + word .substring(0,howFar);} What value is returned as a result of the call scramble("compiler", 3)? A "compiler" B "pilercom" C "ilercom" D "ilercomp" E No value is returned because an IndexOutOfBoundsException will be thrown. (1pt) 4. Consider the following method: public String mystery(String input){ String output = ""; for (int k = 1; k < input.length(); k = k+2){ output += input .substring(k, k+1);} return output;} What value is returned as a result of the call mystery("computer")? A "computer" B "cmue" C "optr" D "ompute" E Nothing is returned because an IndexOutOfBoundsException is thrown. | | | --- | | 1 pt | | | | --- | | 1 pt | | | | --- | | 1 pt | APCSA/S1E { Page 4 of 22 { (1pt) 5. How many asterisk characters(*) are printed to the display, when the following code segment is executed? for (int i = 0; i < 5; i++){ for (int j = 0; j < 5; j++){ System .out .println("*");} } A 10 B 5 C 25 D 50 E 30 | | | --- | | 1 pt | (1pt) 6. What does the following code segment print to the display? for (int k = 0; k < 20; k += 2){ if (k % 3 == 1) System .out .println(k + " ");} A 4 16 B 4 10 16 C 0 6 12 18 D 0 1 4 7 10 13 16 19 E 10 16 18 | | | --- | | 1 pt | (1pt) 7. Given the following values of nums and the method doubleLast, what will the array nums contain after you execute doubleLast() ? private int[] nums = {-10, -5, 1, 4, 8, 30}; public void doubleLast(){ for (int i = nums.length/2; i < nums.length; i++){ nums[i] = nums[i] * 2;} } A f-20, -10, 2, 8, 16, 60g B f-20, -10, 2, 4, 8, 30g C f-10, -5, 1, 8, 16, 60g D f-10, -5, 1, 4, 8, 30g E f4, 8, 30, -10, -5, 1g | | | --- | | 1 pt | APCSA/S1E { Page 5 of 22 { (1pt) 8. Given the following code segment, what is the value of sum after this code execute

FAQs

What is the grading breakdown shown in the exam record?

The exam record lists Multiple Choice (20 points), Free Response (18 points), and Practical Coding (2 points), for a Total of 40 points.

How are multiple-choice answers intended to be submitted?

The instructions indicate selecting the correct option by filling in the corresponding bubble on a separate answer sheet.

What Java topics are assessed in the multiple-choice section?

The questions cover class fields and methods (getters/setters and constructors), conditional statements, string substring operations, nested loops and printed output, array and 2D array computations, and method return values.

Sep 20, 2026

Uploaded by Sarah