Week7Chap5-I - Chapter 5 Writing Classes Janaka Balasooriya...

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Janaka Balasooriya CSE 110, Arizona State University Chapter 5 Writing Classes
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Janaka Balasooriya CSE 110, Arizona State University Class vs. Object : Quick Recap • Object is a computation entity that performs some useful tasks (Vending machine). • Class is the way to implement Objects in Java • Java provides two types of classes Built in classes (String, Scanner, System.out) User defined classes • When we want to use an object functionality, we create and object instances String myString = “Hello”; String yourStrin = “World”; • Object instance is a representation of the object in our program • Each object instance has its own data.
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Janaka Balasooriya CSE 110, Arizona State University Designing your Own Classes Assume that you are writing a program to model car racing game
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Janaka Balasooriya CSE 110, Arizona State University Properties of Objects Properties of an Object: There are two types of properties (members) 1. Attributes: Used to describe the object at a given time 2. Methods: Models
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