'Double radius' presentation slideshows

COP 3503 FALL 2012 Shayan Javed Lecture 4

COP 3503 FALL 2012 Shayan Javed Lecture 4. Programming Fundamentals using Java. Inheritance. Derive new classes ( subclass ) from existing ones ( superclass ). Only the Object class ( java.lang ) has no superclass Every class = subclass of Object . Inheritance.

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Review for Midterm 3

Review for Midterm 3. Circle class properties. What properties does a circle have? Radius PI = 3.141592653589793234 Color (if plotting in a graphics program) ( x , y ) location These properties will become instance variables

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Interacting Classes Lecture #6

Interacting Classes Lecture #6. CMPSCI 121, Spring 2005 Introduction to Problem Solving with Computers Prof. McCallum. No quiz today. It will again be in lab on Thursday. (Read Chapter 3). OWL Written Exercise is due Thursday 9am. Programming Assignment #5 was due this morning.

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IS 0020 Program Design and Software Tools

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CMSC 150 conditional execution

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Chapter 7 Pointers and C-Strings

Chapter 7 Pointers and C-Strings. What is a Pointer?.

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Chapter 1

Chapter 1. Review of Java Fundamentals Lecture 2 Jenny Walter Fall 2008. Language Basics. Java application Collection of classes One class contains the main method = Point of entry for program execution

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Object Oriented programming

Object Oriented programming. Instructor: Dr. Essam H. Houssein. INHERITANCE AND POLYMORPHISM. Object oriented programming allows you to derive new classes from existing classes. This is called inheritance. Inheritance is an important and powerful feature in Java for reusing software.

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CIS3023: Programming Fundamentals for CIS Majors II Summer 2010

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Lecture 3

Lecture 3. Casting Abstract Classes and Methods Interfaces. Object Bicycle MountainBike RacingBike. Casting. A class hierarchy. Q: Mountainbike is a ? of bicycle? Q: what java keyword is used to do this hierarchy? Q:Does the Bicycle class use this keyword ?.

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CIS3023: Programming Fundamentals for CIS Majors II Summer 2010

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Chapter 20- Virtual Functions and Polymorphism

Chapter 20- Virtual Functions and Polymorphism. Outline 20.1 Introduction 20.2 Type Fields and switch Statements 20.3 Virtual Functions 20.4 Abstract Base Classes and Concrete Classes 20.5 Polymorphism 20.6 Case Study: A Payroll System Using Polymorphism

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Misc Language Features

Misc Language Features. Features that were added relatively recently that are now in common use. Assertions. Use the assert statement to insert assertions at particular points in the code. The assert statement can have one of two forms: assert booleanExpression;

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IDS 201 Introduction to Business Programming (Fall 2013)

IDS 201 Introduction to Business Programming (Fall 2013). Week1. Interface.

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9.5 Case Study: Three-Level Inheritance Hierarchy

9.5 Case Study: Three-Level Inheritance Hierarchy. Three level point/circle/cylinder hierarchy Point x-y coordinate pair Circle x-y coordinate pair Radius Cylinder x-y coordinate pair Radius Height. Class Cylinder extends class Circle4 .

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Overloading vs. Overriding

Don't confuse the concepts of overloading and overriding Overloading deals with multiple methods in the same class with the same name but different signatures Overriding deals with two methods, one in a parent class and one in a child class, that have the same signature

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Programming

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?????????? ? ????????????. ??????????. ?????????? public interface OperateCar { // constant declarations, if any // method signatures int turn(Direction direction , double radius, double startSpeed ); int changeLanes (Direction direction , double startSpeed , double endSpeed );

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Sample Android App

Sample Android App. Chien -Chung Shen CIS, UD cshen@cis.udel.edu. Java Interface. In software engineering, it is important for disparate groups of programmers to agree to a " contract " that spells out how their software interacts

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Documentation and Style

Documentation and Style. Documentation and Comments. Programs should be self-documenting. Use meaningful variable names. Use indentation to show program structure. Use comments to explain what the program is doing. Comments in Java.

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