Objects in java - Study guides, Class notes & Summaries

TEST BANK FOR Java Programming 10th Edition Solution By Farrell (VERIFIED) Solution and Answer Guide. Languages that let you use an easily understood vocabulary of descriptive terms, such as read, write, or add, are known as ____________languages. a. procedural b. high-level c. machine d. object-oriented Answer: b Feedback: High-level languages use English-like terms; Java is an example of a high-level language. Procedural languages are those that run by executing a series of procedure...

What is the purpose of an object's instance variables? CORRECT ANSWER To store the data for a single instance of a class. Suppose you want to work with objects of the Student class. What do you need to know? CORRECT ANSWER The public interface of the class. T/F: S is an object CORRECT ANSWER True T/F: String is an object CORRECT ANSWER False T/F: Suppose that a new version of Java is released, and that the Java compiler changes the way that string objects store characters. If the st...

AP Computer Science A 100& Correct What is encapsulation in object-oriented programming? Encapsulation is the concept of bundling data (fields) and methods (functions) that operate on the data into a single unit, typically a class. It helps to protect the internal state of an object and exposes only necessary parts through public methods. What does inheritance allow you to do in Java? Inheritance allows a subclass to inherit fields and methods from a superclass. This promotes co...

AP Computer Science A Premium, 12th Edition: Prep Book with 6 Practice Tests + Comprehensive Review + Online Practice (Barron's AP Prep) 2024 with complete solution Barron’s AP Computer Science A Premium, 12th Edition includes in‑depth content review and practice. It’s the only book you’ll need to be prepared for exam day. Written by Experienced Educators Learn from Barron’s‑‑all content is written and reviewed by AP experts Build your understanding with comprehensive re...

AP Computer Science - Chapter 2 Review Questions with Verified Solutions Which of the following data types is used to store a single character in Java? A) `String` B) `int` C) `char` D) `boolean` Answer: C) char What will be the result of the following code snippet? ```java int a = 10; int b = 3; int result = a / b; 2 Sln(result); ``` A) `3.33` B) `3` C) `10` D) `0` Answer: B) 3 How do you declare an `ArrayList` of `Integer` objects in Java? A) `A...

AP Computer Science A Unit 2 Progress Check: MCQ Part A 100% Pass What will be the output of the following code? ```java int x = 5; int y = 10; Sln(x + y); ``` A) 15 B) 510 C) 5 D) 10 Answer: A) 15 Given the following code snippet, what is the value of `result` after execution? 2 ```java int a = 8; int b = 3; int result = a % b; ``` A) 2 B) 1 C) 3 D) 5 Answer: A) 2 Which of the following statements correctly initializes an `ArrayList` of `String` ...

AP Computer Science A - Review 1 Latest Update 100% Pass What is the difference between an `ArrayList` and an array in Java? An `ArrayList` is a resizable data structure that can grow and shrink dynamically, whereas an array has a fixed size. Additionally, `ArrayList` provides methods for manipulating the list, such as adding, removing, and searching for elements. What is inheritance, and how does it work in Java? Inheritance allows a new class (subclass) to inherit properties...

COP 3330 JAVA Question and answers already passed 2024 COP 3330 JAVA In OOP, developers create objects which contain ----- - correct answer data and methods Which of the following is an advantage of OOP vs procedural programming? - correct answer -provides a clear structure for programs -makes the code easier to maintain, modify and debug -faster and easier to execute What term best describes Cat? public class Cat { private String name; private String color; public S...

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...

TEST BANK FOR Java Programming 10th Edition By Farrell Updated 2024/2025 (Solution and Answer Guide) The most basic circuitry-level computer language is ____________. a. machine language b. Java c. high-level language d. C++ Answer: a Feedback: The most basic circuitry-level computer language is machine language. Machine language, or machine code, is the most basic set of instructions a computer can execute. Java and C++ are both high-level languages and are the opposite of circuitry-le...