Ap computer science a - Study guides, Class notes & Summaries

AP Computer Science A Final Exam Review Questions and Answers

AP Computer Science A Terms Exam Questions and Answers

AP COMPUTER SCIENCE A UNIT 1 EXAM QUESTIONS AND ANSWERS ALREADY PASSED What are the main primitive data types in Java, and what are they used for? The main primitive data types in Java are `int` (for integers), `double` (for floating-point numbers), `boolean` (for true/false values), `char` (for single characters), `byte`, `short`, `long`, and `float`. These are used to store basic data values directly in memory. Consider the following code segment: ```java int x = 5; int y = ...

AP COMPUTER SCIENCE A UNIT 1 QUIZ GRADED A+ What is a `class` in Java? A class in Java is a blueprint for creating objects. It defines the properties (attributes) and behaviors (methods) that the objects of that class will have. Explain the difference between a `primitive data type` and a `reference data type`. A primitive data type holds simple values like integers, characters, and booleans. A reference data type holds references to objects, such as arrays or instances of cla...

AP Computer Science A Unit 8 Progress Check: MCQ Study 2023A two-dimensional array myArray is to be created with the following contents. {{0, 0, 3}, {0, 0, 0}, {7, 0, 0}} Which of the following code segments can be used to correctly create and initialize myArray ? int myArray[][] = new int[3][3];myArray[0][2] = 3;myArray[2][0] = 7; int myArray[][] = new int[3][3];myArray[0][2] = 7;myArray[2][0] = 3; int myArray[][] = {{0, 0, 3}, {0, 0, 0}, {7, 0, 0}}; - ANSWER D) I and III Consider the...

AP CS Principles Diagnostic Questions & Answers How are procedures abstract in computer science? A)They use actual values to represent concepts. B)They represent the lowest level of code for a computer to run. C)They can be used without understanding or seeing the code used. D)They are blocks of code that do something specific. - Correct Ans-C)They can be used without understanding or seeing the code used. What do parameters used in a procedure provide? A)They return calculated values f...

AP Computer Science A Unit 3 Progress Check MCQ Exam

AP Computer Science A Terminology Study Guide % - Answer>> This symbol is the modulas symbol; gives remainder after division. // - Answer>> This symbol is the single line comment symbol. Abstract class - Answer>> A superclass that represents an abstract concept, and therefore should not be instantiated. Abstraction - Answer>> A technique used to command newly-created instances to perform different actions. Abstract method - Answer>> A method unde...

CODEHS AP COMPUTER SCIENCE A (Nitro) ITERATION QUIZ QUESTIONS WITH 100% CORRECT ANSWERS!!

AP Computer Science A Unit 4 Study Guide