OSU CSE
7 февр. 2019 г. https://cse.osu.edu/current-students/undergraduate-research. You are able ... degree/dissertations-theses/document-preparation. • Successfully ...
CSE 2221 - Stack
25 мар. 2021 г. OSU CSE. 18. Page 19. top. T top(). • Returns the entry at the the top (left ... • OSU CSE Components API: Stack. – http://web.cse.ohio-state.edu ...
CSE 2221 - Design by Contract
26 янв. 2021 г. • The API for the OSU CSE components is at: http://web.cse.ohio ... means spacing and line- breaks are retained in generated documentation.
Department of Computer Science and Engineering BS CSE
17 янв. 2020 г. Project: Design Development
CSE 2231 - Kernel Implementations IV
8 февр. 2019 г. (document) the key design decisions illustrated in a commutative ... OSU CSE. 50. Trick question! This value of digits can never arise from ...
Department of Computer Science and Engineering BS CSE
Project: Design Development
Bachelor of Science in Computer Science and Engineering
22 мар. 2023 г. Documentation (Web Applications or. Interactive Systems or Systems Software). 4 ... More information is available at https://cse.osu.edu/current-.
CSE 2231 - Java Interfaces
• javadoc — The Java API Documentation. Generator. – http://docs.oracle.com/javase/8/docs/technotes/tools/windows/javadoc.html. 6 May 2019. OSU CSE. 39.
Department of Computer Science and Engineering BS CSE
Project: Design Development
CSE 2221 - Arrays and References
4 окт. 2022 г. what does equals do? 4 October 2022. OSU CSE. 6. Page 7. One of the ...
CSE 3901: Project: Design Development
https://coe-portal.cse.ohio-state.edu/pdf-exports/CSE/CSE-3901.pdf
CSE 2221 - Design by Contract
OSU CSE. 20. The word interface has two related but distinct meanings: • a unit of Java code that contains Javadoc comments used to produce documentation.
CSE 2221 - XML Documents
<title>. Java for Everyone: Late Objects. </title> </book>. 5 May 2016. OSU CSE. 5. This is not part of the actual document/file!
CSE 3903: Project: Design Development
https://coe-portal.cse.ohio-state.edu/pdf-exports/CSE/CSE-3903.pdf
CSE 2231 - Hashing
14 sept. 2020 that the duration of a call is independent of the values of all the arguments including the receiver. 14 September 2020. OSU CSE.
CSE 3902: Project: Design Development
https://coe-portal.cse.ohio-state.edu/pdf-exports/CSE/CSE-3902.pdf
Department of Computer Science and Engineering BS CSE
12 mar. 2021 Introduction to Ohio State and Computer Science and Engineering ... Project: Design Development
CSE 2231 - BugsWorld Introduction
27 fév. 2019 various aspects of a game called. BugsWorld: – The Game. – The Simulator. – The Language. – The Compiler. 27 February 2019. OSU CSE.
CSE 2221 - Set
22 mar. 2021 OSU CSE. 4. Set. Set1L implements implements. SetKernel extends. Standard extends. Set2. Set3. Standard has contracts for three methods:.
CSE 2231 - Common Methods
Object: equals hashCode
Department of Computer Science and Engineering BS CSE
CSE 3903 Project: Design Development and Documentation of System Software 4 Choose one of the following: CSE 5911 Capstone Design: Software Applications 4 CSE 5912 Capstone Design: Game Design and Development 4 CSE 5913 Capstone Design: Computer Animation 4 CSE 5914 Capstone Design: Knowledge-Based Systems 4
Best Computer Science Engineering(CSE) colleges in Andhra Pradesh(AP
Department of Computer Science and Engineering BS CSE Sample Schedule Autumn Spring Admission to the CSE major requires student to apply and meet the following requirements: Completion of the courses shown above in italics or honors versions thereof At least 15 hours earned at Ohio State
BS Computer Science and Engineering 2020-2021 Academic Year
This guide is intended for students with extensive programming experience who successfully complete the placement test for CSE 2221 Students without programming experience will need to complete CSE 1222/1223 prior to taking CSE 2221 Year Autumn PHYSICS 1250 (Mechanics Thermal Waves) MATH 1151 (Calculus 1)
Department of Computer Science and Engineering BS CSE
Department of Computer Science and Engineering BS CSE Requirements Choose one of the following: Choose one of the following: Choose one of the following: Department of Computer Science and Engineering Year 1 Year 2 Year 3 Year 4 BS CSE Sample Schedule An application to the major must be submitted online at
CSE 2221 - Design by Contract
• The API for the OSU CSE components is at: http://web cse ohio-state edu/software/common/doc/ 26 January 2021 OSU CSE 20 The word interface has two related but distinct meanings: • a unit of Java code that contains Javadoc comments used to produce documentation • the resulting documentation
Searches related to osu cse documentation filetype:pdf
The Sequencecomponent family allows you to manipulate strings of entries of any (arbitrary) type through direct access by position similar to an array Another generic type like Queueand Set One possible best practice alternative to the built-in Java array from the OSU CSE components Standard extends Sequence-Kernel extends implements Sequence
What are the programs offered by the Department of CSE?
- The Department offers UG, PG & Ph.D. programmes in Computer Science and Engineering and related areas. The Department also offers an industry aligned program B.Tech. Computer Science and Business Systems (CSBS) in association with Tata Consultancy Services (TCS). All the programs offered by the Dept. of CSE are approved by AICTE, New Delhi.
How do I open an example OSU file?
- Windows can't open this file: example.osu. To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.
What is the OSCE study guide?
- Developed to be a unique study guide for medical students preparing for their OSCE examinations. It summarizes important history and physical examination skills and is a practical review for all level of medical students. The book is organized by major body systems, and is designed to facilitate both individual and group study.
How to open CSE files?
- Choose the Open with entry from the file menu accessed by right-mouse clicking on the CSE file To finalize the process, select Look for another app on this PC entry and using the file explorer select the Web Research installation folder. Confirm by checking Always use this app to open CSE files box and clicking OK button.
Design-by-Contract
26 January 2021OSU CSE1
Systems Thinking
•A systemis any part of anything that you want to think about as an indivisible unit •An interfaceisa description of theboundary"between a system and
everything else, that also describes how to think about that system as a unit •A subsystem (component)is a system that is used inside, i.e., as a part of, another system - a relative notion!26 January 2021OSU CSE2
Example: Ice/Water Dispenser
Select water, crushed ice, or cubed ice.
Place a glass against the pad and push.
26 January 2021OSU CSE3
People's Roles wrtSystems
•A clientis a person (or a role played by some agent) viewing a system from the outside "as an indivisible unit •An implementeris a person (or a role played by some agent) viewing a systemfrom the inside"as an assembly of
subsystems/components26 January 2021OSU CSE4
Describing Behavior: Part 1
•One side of the coin: information hiding is a technique for describing system behavior in which you intentionally leave outinternal implementation details"of the
system26 January 2021OSU CSE5
Describing Behavior: Part 2
•Other side of the coin (and a necessary consequence of information hiding): abstraction is a technique in which you create a valid cover story to counteract the effects of hiding some internal implementation details -Presumably the hidden information is relevant to the system behavior, so even if you hide it you still need to account for its presence!26 January 2021OSU CSE6
Overview of Design-by-Contract
•Alsoknown as programming-to-the- interface •Articulated clearly only in the 1980s •Design-by-contract has become the standard policygoverning separation of concerns"across modern software engineering •This is how software components are really used...26 January 2021OSU CSE7
Recall: Mathematical Models
•Each variablein the program has a type -Examples: int, double, ... •Each program type has a mathematical type thatmodelsit: you should think of any variable of that program type as having a value from its mathematical model 's mathematical space/domain -Examples (respectively): integer, real, ...26 January 2021OSU CSE8
Informal Models
•Models are not always formal mathematical models like integers, real numbers, etc., but can be based on informalconcepts from other situations •Example of an anthropomorphic description of behavior: -"This TV remembersthe last channel you watched." •More examples to come...26 January 2021OSU CSE9
Structure of a Method Contract
•Each method has: -A precondition(requiresclause) that characterizes the responsibility of the program that calls (uses) that method (client code) -A postcondition(ensuresclause) that characterizes the responsibility of the program that implementsthat method (implementation code in the method body)26 January 2021OSU CSE10
Meaning of a Method Contract
•If its precondition is true when a method is called, then the method will terminate - return to the calling program - and the postconditionwill be true when it does return •If its precondition is not true when a method is called, then the method may do anything (including not terminate)26 January 2021OSU CSE11
Responsibilities and Rewards
•Responsibility: Making sure the preconditionis true when a method is called is the responsibility of the client •Reward: The client may assume the postconditionis true when the method returns26 January 2021OSU CSE12
Responsibilities and Rewards
•Responsibility: Making sure the postconditionis true when a method returns is the responsibility of the implementer •Reward: The implementer may assume the precondition is true when the method is called26 January 2021OSU CSE13
Recall: Static (Class) Methods
•A static method(class method) is one that: -Has zero or more formal parametersof various types - placeholders for the argumentsthat appear in the call between (...) -Returns a value of a particular return typeto the calling program; or, returns nothing, denoted by a return type of void •Example of a call and its arguments: doublea, b; doublec = sqrt(a*a + b*b, 0.001);26 January 2021OSU CSE14
Recall: Static (Class) Methods
•A static method(class method) is one that: -Has zero or more formal parametersof various types - placeholders for the argumentsthat appear in the call between (...) -Returns a value of a particular return typeto the calling program; or, returns nothing, denoted by a return type of void •Example of a call and its arguments: doublea, b; doublec = sqrt(a*a + b*b, 0.001);What does this method do?
How do you know?
26 January 2021OSU CSE15
Example of a Contract
paramx number to take the square root of paramepsilon allowed relative error * @return the approximate square root of x * @requires *x > 0andepsilon > 0 * @ensures* sqrt>= 0and * [sqrtis within relative error epsilon of the actual square root of x] *privatestaticdoublesqrt(doublex, doubleepsilon)
26 January 2021OSU CSE16
Example of a Contract
paramx number to take the square root of paramepsilon allowed relative error * @return the approximate square root of x * @requires *x > 0andepsilon > 0 * @ensures* sqrt>= 0and * [sqrtis within relative error epsilon of the actual square root of x] *privatestaticdoublesqrt(doublex, doubleepsilon)
26 January 2021OSU CSE17
A Java comment that starts
with the symbols is called a Javadoc comment ; it goes before the method header.Javadoc
•The standard documentation technique forJava is called Javadoc
•You place special Javadoccomments enclosed in /** ... */ in your code, and the javadoctool generates nicely formatted web -based documentation from them26 January 2021OSU CSE18
APIs •The resulting documentation is known as theAPI (application programming
interface)for the Java code to which theJavadoctags are attached
•The API for the OSU CSE components is at:26 January 2021OSU CSE19
APIs •The resulting documentation is known as theAPI (application programming
interface)for the Java code to which theJavadoctags are attached
•The API for the OSU CSE components is at:26 January 2021OSU CSE20
The word interfacehas two
related but distinct meanings: •a unit of Java code that contains Javadoccomments used to produce documentation •the resulting documentationExample of a Contract
* @paramx number to take the square root of paramepsilon allowed relative error * @return the approximate square root of x * @requires *x > 0andepsilon > 0 * @ensures* sqrt>= 0and * [sqrtis within relative error epsilon of the actual square root of x] *privatestaticdoublesqrt(doublex, doubleepsilon)
26 January 2021OSU CSE21
The Javadoctag@param
is needed for each formal parameter; you describe the parameter's role in the method.Example of a Contract
paramx number to take the square root of paramepsilon allowed relative error * @returnthe approximate square root of x * @requires *x > 0andepsilon > 0 * @ensures* sqrt>= 0and * [sqrtis within relative error epsilon of the actual square root of x] *privatestaticdoublesqrt(doublex, doubleepsilon)
26 January 2021OSU CSE22
The Javadoctag@return
is needed if the method returns a value; you describe the returned value.Example of a Contract
paramx number to take the square root of paramepsilon allowed relative error * @return the approximate square root of x * @requires * x > 0andepsilon > 0 * @ensures* sqrt>= 0and * [sqrtis within relative error epsilon of the actual square root of x] *privatestaticdoublesqrt(doublex, doubleepsilon)
26 January 2021OSU CSE23
The Javadoctag
@requires introduces the preconditionfor the sqrt method.Example of a Contract
paramx number to take the square root of paramepsilon allowed relative error * @return the approximate square root of x * @requires * x > 0andepsilon > 0 * @ensures* sqrt>= 0and * [sqrtis within relative error epsilon of the actual square root of x] *privatestaticdoublesqrt(doublex, doubleepsilon)
26 January 2021OSU CSE24
The Javadoctag
@ensures introduces the postconditionfor the sqrt method.Example of a Contract
paramx number to take the square root of paramepsilon allowed relative error * @return the approximate square root of x * @requires *x > 0andepsilon > 0 * @ensures* sqrt>= 0and * [sqrtis within relative error epsilon of the actual square root of x] *privatestaticdoublesqrt(doublex, doubleepsilon)
26 January 2021OSU CSE25
Javadoccomments may
contain HTML -like tags; e.g.,...means spacing and line breaks are retained in generated documentation.
Abbreviated Javadoc
•For this course: -Any actual code you see in *.java fileswill have the fullJavadoccomments, as above
-Some code you see in these slides will not have the Javadoc tags @param, @return, and formatting tags; plus, "keywords" in the Javadoc and mathematics will be bold faced for easy reading •This allows you to focus on the contract content: the requires and ensures clauses themselves26 January 2021OSU CSE26
Example Contract (Abbreviated)
* @requires * x > 0andepsilon > 0 * @ensures * sqrt>= 0and * [sqrtis within relative error epsilon of the actual square root of x] privatestaticdoublesqrt(doublex, doubleepsilon)26 January 2021OSU CSE27
Example Contract (Abbreviated)
* @requires * x > 0andepsilon > 0 * @ensures * sqrt>= 0and * [sqrtis within relative error epsilon of the actual square root of x]} privatestaticdoublesqrt(doublex, doubleepsilon)26 January 2021OSU CSE28
This is the precondition, indicating that
the argumentspassed in for the formal parametersxand epsilon both must be positive before a client may call sqrtExample Contract (Abbreviated)
* @requires * x > 0andepsilon > 0 * @ensures * sqrt>= 0and * [sqrtis within relative error epsilon of the actual square root of x]} privatestaticdoublesqrt(doublex, doubleepsilon)26 January 2021OSU CSE29
The precondition is a statement about
the models of the arguments; here, it is a formalmathematical statement about mathematical reals.Example Contract (Abbreviated)
* @requires * x > 0andepsilon > 0 * @ensures * sqrt>= 0and * [sqrtis within relative error epsilon of the actual square root of x] privatestaticdoublesqrt(doublex, doubleepsilon)26 January 2021OSU CSE30
This is the postcondition, indicating
that the return value fromsqrtis non -negative and ... what does the rest say?Example Contract (Abbreviated)
* @requires * x > 0andepsilon > 0 * @ensures * sqrt>= 0and * [sqrtis within relative error epsilon of the actual square root of x] privatestaticdoublesqrt(doublex, doubleepsilon)26 January 2021OSU CSE31
The first part of the
postconditionhere is written in mathematicalnotation; it is not program code! The second part - inside [...] - is written in English.Using a MethodContract
•A static method's contract refers to its formal parameters, and (only if it returns a value, not void ) to the name of the method (which stands for the return value) •To determine whether the precondition andquotesdbs_dbs12.pdfusesText_18
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