Abstraction vs interfaces - Study guides, Class notes & Summaries

A data structure is - a particular way of organizing data in a computer so that it can be used efficiently An Abstract Data Type is - A set of objects together with a set of operations (They are a mathematical abstraction) Common Trade-offs - Time vs Space Making one operation faster may make another operation slower Providing more operations (making the data structure more general) may make some operations less efficient Operations are revealed through? - Interfaces and methods ...

A data structure is - a particular way of organizing data in a computer so that it can be used efficiently An Abstract Data Type is - A set of objects together with a set of operations (They are a mathematical abstraction) Common Trade-offs - Time vs Space Making one operation faster may make another operation slower Providing more operations (making the data structure more general) may make some operations less efficient Operations are revealed through? - Interfaces and methods

Platform Independence: Write Once, Run Anywhere One of the main benefits of Java. This means that any code written with java only needs to be compiled once, rather than needing to be recompiled for different operating systems Verbose, Clear Syntax Used to tell the JVM which kind of information to see. The three verbose options supported by JVM are verbose: class, verbose: garbage collection, and verbose: Java Native Interface. Garbage collection, finalize An object is eligible for garbage ...

CMSC 132 Final Exam Questions with Complete Solution 2024

IST 311 Midterm Complete Solutions Why Should You "Format" Your Code? ️•Readability -Makes it much easier to determine what the code is doing •Finding typos -Missing characters like { ; and ( can cause formatting misalignments •Conformity and Consistency -Programming teams should agree on what type of formatting Class names ️•Class names should be PascalCased (aka, MixedCase) •First character upper-case •All "words" in the class name should begin with upper-case...

COP4600 - FINAL EXAM Questions With 100% Correct Answers 2024/2025 What is a path? - answerA path is a sequence of directories used to reference a file. They can be relative or absolute. Why do we need file systems? - answer1. Locate free storage space 2. Store information in a persistent way (survives process termination) 3. Allow more than one process to access the information store concurrently 4. Find information by human-accessible identifiers 5. Protect data from unauthorized use ...

CMSC 132 Final Exam With 100% Correct And Verified Answers

AP Computer Science Principles EXAM _ Complete A+ Final Review Guide (Summer 2023/2024) - error that results when the number of bits is not enough to hold the number, like a car's odometer "rolling over" - error that results when the number of bits is not enough to represent the actual number, like 3 digits to represent π as 3.14 - Compressing data in a way that throws some data away and makes it almost impossible to recover the original, great compression, like JPEG images - C...

Abstraction correct answers Separates the interface from the algorithms Encapsulation correct answers Hides the algorithms and only provides the interface Abstract method correct answers All methods in an interface are abstract implicitly, unless "default" keyword In a non-interface, the class must be declared abstract "Is a" relationship correct answers Interfaces Enhanced for loop correct answers for (int index : someArray) Sysout (index); Will print out each item in so...

AP Computer Science Principles Exam Latest Updated Graded A+ Overflow - ANSWER-error that results when the number of bits is not enough to hold the number, like a car's odometer "rolling over" Round-off - ANSWER-error that results when the number of bits is not enough to represent the actual number, like 3 digits to represent π as 3.14 Lossy - ANSWER-Compressing data in a way that throws some data away and makes it almost impossible to recover the original, great compression, like ...