object oriented design book

a good software design is to try to change If your software is hard to change, the problem may occur when you want to improve the design. Now let's see if several instruments can be easily changed. If a new instrument is added to an existing program, we need to add a new instrument specification and add a new query method to inventory, which does not seem easy to change! It seems that we still ha

30-minute understanding of Object-Oriented Design Principles Many people have read the design patterns, but Martin does not have much estimation on the object-oriented design principles

Object-oriented design principle principle objective object-oriented design original table single Responsibility principle case Closed-closing principle case dependence reversal principle caseObject-

Ask for PHP object-oriented design and data access design. for example, if one class Person has a database operation class ConnPerson, one operation is to buy a chicken, how should we design chicken information in the database? Whether to include the Conn class in perison, i

Ask for PHP object-oriented design and data access design. for example, if one class Person has a database operation class ConnPerson, one operation is to buy a chicken, how should we design chicken information in the database? Whether to include the Conn class in perison, i

attribute Name: type [= default value] Visibility method Name (parameter list) [: Return value type] Examples are as follows: (3) The relationship between classes ① Association Relationship 1) bidirectional correlation. Examples are as follows: 2) One-way association. Examples are as follows: 3) Self-correlating. Examples are as follows: 4) Multiple sexual associations. Examples are as follows: 5) Aggregation relationship. Examples are as follows: 6) combined relationship. Simi

People often talk about "object-oriented design", as if it is something highly advanced and proud of object-oriented design. Object-oriented

Some experiences in Object-Oriented Analysis and Design Analysis, Design and Implementation What I understand is the true object that exists or does not exist in real life. An obvious feature of this object is that it has many st

Ask PHP design for object-oriented design and data accessibility For example, there is a class person There is a database operation class Conn One of the actions in person is to buy a chicken, the chicken information to be put into the database How should I design it? is to

() {Alert"Hi! I am "+ This. name); }varPerson1 =NewCreateperson (' ZS ',' Boy ',' 2001-02-03 ');varPerson2 =NewCreateperson (' ls ',' Boy ',' 2001-02-04 '); Person1.sayhi ();//outputs "Hi! I am ZS "Person2.sayhi ();//outputs "Hi! I am LS "In general, an object or class is more than one method and requires multiple methods to work with it.CreatePerson.prototype={ sayHi:function() { alert("Hi ! I am "+this.name); }, walk:function() {

Today, I attended the course "C # object-oriented design patterns (1): Object-oriented Design Patterns and Principles. Summarized some notes.First, we will introduce what is the design

Object-oriented design is divided into two stages, namely high-rise design and low-level design High-level design The overall model of development software for the development of the system in the high-rise

In object-oriented design, how to deal with changes in design requirements through small changes is a matter of great concern to designers. To this end, many oo pioneers have proposed many object-oriented

that the structure of the program is starting to become loose. Any change to the input or output device will force you to re-organize the condition judgment of the while loop. But after all, your program can work normally. But now you have reached the bottom line. If a hateful customer breaks your design by changing the demand, you will leave immediately. You made up your mind. Your crash ...... Unfortunately, it didn't take two weeks. You did

Recently changed a new job, there are some problems in the interview process did not give the answer, for their technical short board and promote the urgent.JavaScript is the object of Everything (key: A value of a data), for the moment not to discuss the right and wrong sentence, you can imagine the importance of the object in JavaScript, and object-

Seven major object-oriented design principles (Transition) and seven major design principles I. Single responsibility principle: Full name: "Single-Responsibility Principle" Object-Oriented De