AP Computer Science A

Terms in this set (18) Consider the following statement, which is intended to create an ArrayList named a to store only elements of type Thing. Assume that the Thing class has been properly defined and includes a no-parameter constructor. ArrayList<Thing> a = / missing code /; Which of the following can be used to replace / missing code / so that the statement works as intended? B. new ArrayList<Thing>() Consider the following statement, which is intended to create an Array...

Consider the following class declarations. public class Dog { private String name; public Dog() { name = "NoName"; } } public class Poodle extends Dog { private String size; public Poodle(String s) { size = s; } } The following statement appears in a method in another class. Poodle myDog = new Poodle("toy"); Which of the following best describes the result of executing the statement? B. The Poodle variable myDog is instantiated as a Poodle. The instance variable si...

Terms in this set (203) Consider the following code segment. Sln("W"); Sln("X"); S("Y"); S("Z"); What is printed as a result of executing the code segment? D. W X YZ Consider the following code segment. S("cat "); Sln("dog "); Sln("horse "); S("cow "); What is printed as a result of executing the code segment? B. cat dog horse cow

AP COMPUTER SCIENCE A (APSCA) QUESTIONS AND ANSWERS LATEST EXAM UPDATEAP COMPUTER SCIENCE A (APSCA) QUESTIONS AND ANSWERS LATEST EXAM UPDATEAP COMPUTER SCIENCE A (APSCA) QUESTIONS AND ANSWERS LATEST EXAM UPDATE

Section 1: Primitive Types & Variables 1. What is the output of Sln(7 % 3 + 2 * 4);? o A) 7 o B) 9 o C) 10 o D) 11 Answer: B) 9 Explanation: 7 % 3 = 1, 2 * 4 = 8, so 1 + 8 = 9. ________________________________________ Section 2: Using Objects 2. Which method is used to compare two String objects for equality? o A) == o B) .equals() o C) .compareTo() o D) .charAt() Answer: B) .equals() Explanation: == checks memory addresses, not content. ________________________________________ ...

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