子类可以替换父类,且不影响程序正确性。是开闭原则的补充。 优势 提高reusability. 提高maintainability ❌ 错误示例 """ This design will violate LSP. If a client uses a reference variable of type Rectangle to call the setSize() method to assign different values of height and width, then results ...
Lesson: Object-Oriented Programming ConceptsIf you've never used an object-oriented programming language before, you'll need to learn a few basic concepts before you can begin writing any code. This lesson will introduce you to objects, classes, inheritance, interfaces, and packages. Each ...
. . . . . Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Help and Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Nicholas C. Zakas...
Object-OrientedProgrammingPrinciplesNSTRUCTORGUIDEObject-OrientedProgrammingPrinciplesOBJECT-ORIENTEDPROGRAMMINGPRINCIPLESCourseNumber:NH77906(0752IGEE)CourseEdition:1.1softwareversion:1.1ACKNOWLEDGEMENTSProjectTeamCurriculumDeveloperTechnicalWriter:BrianTechnicalEditor:J-PAltieriPrintDesigner:DanielSmithProjectSupportManaging...
What does it take to be an Object Oriented Programmer? There was a time where I believed all that meant was that you worked with a language such as C#, C++, or Java. However, the more I get acquainted with newer technologies, the more I realize that there is a set of fundamentals co...
In recent years, object-oriented programming has become especially popular in scripting programming languages. Python and Ruby are scripting languages built on OOP principles, while Perl and PHP have been adding object oriented features since Perl 5 and PHP 4. The Document Object Model of HTML, XH...
Throughout this course, you learned how object-oriented principles differ in Python vs Java. You learned about: Building a basic class in both Java and Python How object attributes work in Python vs Java How to compare and contrast Java methods and Python functions Working with inheritance and ...
JAVA-object-oriented-programming.zip_java programming 1,创建一个复数类complex,以复数进行数学运算 2.创建银行账号Account类,实现存款(balance)的存(deposit)、取(withdraw)和查询(getbalance)等功能 3.编程定义一个接口,实现三个数中求最小值和最大值的方法,并将程序存放在mymaths包中 4.修改5.7.2案例1中的...
This course isn’t a primer on object-oriented programming. Rather, it compares object-oriented features and principles of Python vs Java. Students should have some knowledge of Java, and also be familiar with coding Python. If you are unfamiliar with object-oriented programming, then check out...
Written by an expert with 19 experience teaching computer programming, Java Programming Fundamentals presents object-oriented programming by employing examples taken from everyday life. Provides a foundation in object-oriented design principles and UML notation Describes common pitfalls and good programming ...