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Lecture 4

Lecture 4. Working with Objects: Variables, Containment, and Association. What We Already Know How to Do. Call methods : send messages to an object andyBot.turnRight(); Define methods : give a class specific capabilities public void turnLeft() { // code to turn Robot left goes here

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Java Lecture 5

Java Lecture 5. CS 1311X Our Story So Far The Story of O Inheritance, Polymorphism and Death in the Afternoon. 13 X 11. Our Story So Far. Object Oriented Programming Features Encapsulation Reusability Adaptability Object Oriented Programming Benefits Generic "Drop In" Components

853 views • 82 slides

Java Lecture 5

Java Lecture 5. CS 1311X Our Story So Far The Story of O Inheritance, Polymorphism and Death in the Afternoon. 13 X 11. Our Story So Far. Object Oriented Programming Features Encapsulation Reusability Adaptability Object Oriented Programming Benefits Generic "Drop In" Components

821 views • 82 slides

Inheritence

Inheritence. Put classes into a hierarchy derive a new class based on an existing class with modifications or extensions. Avoiding duplication and redundancy Classes in the lower hierarchy is called a subclass (or derived , child , extended class ).

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Inheritance

Inheritance. Contents. Fundamentals Generalization Constructors and Derived Classes Visibility Modifiers Abstract Classes Interfaces. Inheritance. Fundamentals. class A. class B extends A. Inheritance.

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Inheritance

Inheritance. Fundamentals. class A. class B extends A. Inheritance. A derived class extends a base class. It inherits all of its methods (behaviors) and attributes (data) and it may have additional behaviors and attributes of its own. Derived class. Base class.

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CSE115: Introduction to Computer Science I

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