'Package access' presentation slideshows

Jiafan Zhou

960 views • 73 slides

Chapter 6 Object-Oriented Software Design and Implementation

Chapter 6 Object-Oriented Software Design and Implementation. Chapter 6 Topics. Software Design Strategies Objects and Classes Revisited Object-Oriented Design The CRC Card Design Process Functional Decomposition Object-Oriented Implementation Packages

701 views • 35 slides

Principles of Computer Science II

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Inheritance Part III

Inheritance Part III. Lecture Objectives. To learn about inheritance To understand how to inherit and override superclass methods To be able to invoke superclass constructors To learn about protected and package access control

460 views • 32 slides

328 views • 22 slides

Chapter 5: Hiding implementation

Chapter 5: Hiding implementation. Two viewpoints regarding classes: Implementor of a class: knows everything about class User of a class: Only wants to know what services a class provides Information hiding is the key There are public, protected, package access and private access controls

319 views • 20 slides

Encapsulation

Encapsulation. Encapsulation and inheritance. Private instance variables and methods in a base class cannot be directly accessed (by name) in a derived class. They can be indirectly accessed (via accessors and mutators in the base class). Encapsulation and inheritance.

174 views • 16 slides