Classes and Objects EECS2030 B: Advanced Object Oriented Programming Fall 2018 CHEN-WEI WANG Object Orientation: Observe, Model, and Execute ○ Study this tutorial video that walks you through the idea of . Real World: Entities Entities: jim, jonathan, … Entities: p1(2, 3), p2(-1, -2), … Compile-Time: Classes (definitions of templates) Run-Time: Objects (instantiations of templates) […]
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Test-Driven Development (TDD) with JUnit EECS2030 B: Advanced Object Oriented Programming Fall 2018 CHEN-WEI WANG Motivating Example: Two Types of Errors (2) Approach 1 – Specify: Indicate in the method signature that a specific exception might be thrown. Example 1: Method that throws the exception Example 2: Method that calls another which throws the exception
程序代写代做代考 junit C html Java Test-Driven Development (TDD) with JUnit Read More »
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Recursion EECS2030 B: Advanced Object Oriented Programming Fall 2018 CHEN-WEI WANG Beyond this lecture . . . ● Fantastic resources for sharpening your recursive skills for the exam: http://codingbat.com/java/Recursion-1 http://codingbat.com/java/Recursion-2 ● The best approach to learning about recursion is via a functional programming language: Haskell Tutorial: https://www.haskell.org/tutorial/ 2 of 50 Recursion: Principle ● is useful
程序代写代做代考 data structure Java C html Haskell Recursion Read More »
The State Design Pattern Readings: OOSC2 Chapter 20 EECS3311 A: Software Design Fall 2019 CHEN-WEI WANG Motivating Problem Consider the reservation panel of an online booking system: 2 of 29 State Transition Diagram Characterize interactive system as: 1) A set of states; and 2) For each state, its list of applicable transitions (i.e., actions). e.g.,
程序代写代做代考 C graph The State Design Pattern Readings: OOSC2 Chapter 20 Read More »
The State Design Pattern Readings: OOSC2 Chapter 20 EECS3311 A & E: Software Design Fall 2020 CHEN-WEI WANG Learning Objectives Upon completing this lecture, you are expected to understand: 1. Motivating Problem: Interactive Systems 2. First Design Attempt: Assembly Style 3. Second Design Attempt: Hierarchical, Procedural Sylte 4. Template & State Design Patterns: OO, Polymorphic
程序代写代做代考 assembly C graph The State Design Pattern Readings: OOSC2 Chapter 20 Read More »
Drawing a Design Diagram using the Business Object Notation (BON) EECS3311 A: Software Design Fall 2019 CHEN-WEI WANG Why a Design Diagram? SOURCE CODE is not an appropriate form for communication. Use a DESIGN DIAGRAM showing selective sets of important: X clusters X classes X architectural relations X features (queries and commands) (i.e., packages) [
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Exceptions EECS2030 B: Advanced Object Oriented Programming Fall 2019 CHEN-WEI WANG Error Reporting via Consoles: Circles (1) 1 2 3 4 5 6 7 8 9 class Circle { double radius; Circle() { /* radius defaults to 0 */ } void setRadius(double r) { if ( r < 0 ) { System.out.println( "Invalid radius." );
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Copies: Reference vs. Shallow vs. Deep Writing Complete Postconditions EECS3311 A: Software Design Winter 2020 CHEN-WEI WANG Copying Objects Say variables c1 and c2 are both declared of type C. [ c1, c2: C ] ● There is only one attribute a declared in class C. ● c1.a and c2.a are references to objects. 2
程序代写代做代考 cache C Copies: Reference vs. Shallow vs. Deep Writing Complete Postconditions Read More »
Inheritance Readings: OOSCS2 Chapters 14 – 16 EECS3311 A: Software Design Fall 2019 CHEN-WEI WANG Aspects of Inheritance Code Reuse Substitutability X Polymorphism and Dynamic Binding X Sub-contracting [ compile-time type checks ] [ runtime behaviour checks ] 2 of 62 Why Inheritance: A Motivating Example Problem: A student management system stores data about students.
程序代写代做代考 android compiler IOS C Java Inheritance Readings: OOSCS2 Chapters 14 – 16 Read More »