Computer science class - Study guides, Class notes & Summaries

AP Computer Science Multiple Choice with Complete Solutions What will be the output of the following code snippet if `x = 7` and `y = 3`? ```java int result = x / y; Sln(result); ``` `2` - `2.0` - `3` - `2.333` Which of the following statements is used to create a new instance of a class in Java? - `ClassName obj = new ClassName();` - `ClassName obj = ClassName();` 2 - `ClassName obj = new ClassName;` - `new ClassName obj = new ClassName();` `ClassName ob...

AP Computer Science - String Class Latest Version Already Passed How do you convert a string to an integer in Java? You can convert a string to an integer using `IInt(String s)`. What method is used to find the length of a string in Java? The method used to find the length of a string is `Sh()`. How do you generate a random number between 0 (inclusive) and 1 (exclusive) in Java? You generate a random number using `Mm()`. What method would you use to compare two strings for equali...

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...

WGU D307 Questions and Answers 100% Pass Expressive language disorder People have trouble getting their message across when they talk. They often struggle to put words together into sentences that make sense. Receptive language disorder People struggle to get the meaning of what others are saying. Because of this, they often respond in ways that don't make sense. Mixed receptive-expressive language issues People struggle with both using and understanding language. What is the name of the th...

Psychology Themes and Variations 6th Edition. Doug McCann, Wayne Weiten & Deborah Matheson TB Indicate the answer choice that best completes the statement or answers the question. 1. Raphael and Paxton are roommates. Because they’re both psychology majors, they choose to dress up as their favourite early psychologists for a Halloween party in their building. They also challenge one another to act like these psychologists all night, and the first one to break character has to take out th...

AP Computer Science Exam Questions and Answers 100% Pass What is the purpose of using loops in programming? Loops allow repeated execution of a block of code until a specified condition is met, making programs more efficient by automating repetitive tasks. How do arrays help in managing data in a program? Arrays help manage data by storing multiple values of the same type in a single, ordered collection. They allow easy access to and manipulation of data using indices. What...

FTCE - Professional Education, Exam Questions with answers, rated A+ Which of the following tests relates an individual's test performance to standards rather than to the performance of others? - -criterion-referenced Sharon, a 3rd-grade student, received the following scores on a formal reading assessment: identifying main idea - raw score of 18/25 recalling details - 70th percentile making inferences - 30% correct determining author's purpose - grade equivalent of 4.5 A teacher w...

AP Computer Science: Unit 4 Questions with Verified Solutions How can you implement a "recursive function" to solve a problem? You implement a recursive function by having it call itself with modified arguments, typically including a base case to terminate the recursion. What is the role of the `__init__` method in a class? The `__init__` method initializes an object’s attributes when the object is created, acting as a constructor in a class. How does "inheritance" work in ...

AP Computer Science Principles Exam Prep with Verified Answers What is a "nested loop" and how is it used? A nested loop is a loop within another loop, used to iterate over multidimensional data structures or perform complex repetitive tasks. What does "code modularity" involve and why is it beneficial? Code modularity involves breaking code into smaller, reusable modules or functions, improving readability, maintainability, and testability. How does "recursion" work and wh...

What is a system? correct answers Group of items, events, actions that are interdependent Ex: going to class, reading assignments, doing homework, passing exams, passing this class. Operations as a Transformation Process correct answers Input: Material, machines, labor, management, capital Output: Goods, Services Primary objective of Operations Management correct answers to add value Impacts on Operations Management correct answers -Industrial Revolution -Scientific Managemen...