oop design interview questions

[Interview] interview questions for iOS development (1) 　 1.# What is the difference between import and # include? What is the difference between @ class and # import A: # import is the keyword used to import the Objective-C header file. # include is the keyword used to import the C/C ++ header file. The # import header file is automatically imported only once an

requirements graphically in various phases of software development; IBMRational Rose is one of the many UML modeling tools in the requirements phase, often used in drawing examples, class diagrams, sequential graphs. 15. Describe the tool class that you exported, and indicate the maximum amount of data POI (combining cell objects and background color applications) Finally here also found some of Baidu Library interview

the same functions, but the default access attributes are different. 9. Can the constructor be a virtual sweat volume? Why? Can destructor be purely virtual? A constructor cannot be a virtual function. To construct an object, you must know exactly what to construct. Otherwise, you cannot construct an object. The Destructor can be pure virtual functions. 10. Problems Related to the copy constructor, such as deep copy, shortest copy, and temporary objects. Deep copy means that resources and point

Asp. net interview questions and asp.net interview 1. Differences between ref and out 2. Three a labels have no id, no name, and no class. How to select the second a label and use jquert to select 3. What is the difference between a set, a generic set, and an array? 4. What is the difference between string and stringbuilder? The string object cannot be changed. E

'table1' ( 'ID' INTUNSIGNED auto_increment,'title' VARCHAR( -) not NULL, 'author' VARCHAR( +) not NULL, 'submission_date'DATE,PRIMARY KEY('ID') ) ENGINE=InnoDBDEFAULTCHARSET=Utf-8; 4, how to query a table last 10 records of the first 7 records? Idea: In sub-query with reverse by ID (because the primary key ID is definitely in order) the last 10 records, and then use the LIMIT method to query the top 7 Examine the Knowledge points: 1) Thinking can be flexible, the use of reverse que

Microsoft interview questions Interviewing at Microsoft used to be different from interviwing at other companines. However, with the advent of a new economy and the internet things have changed dramatically in the past few years. More and more companies are adopting Microsoft interviewing philosophy and hence their questions. Here is a typical set of

(To clarify, the purpose of my post is not to specifically evaluate the quality of these questions. In fact, my The company examines these issues. What can be answered can be either of them. If you think these questions are very simple, there is basically no problem in the. NET interview process. More problems. If you still don't know, you might as well calm down

Android Interview Questions and answers (2), android Questions and answers1. Activity-related. Launchmode, OnSaveInstnceState, and lifecycle. Four default launchmodes and OnNewIntent callbacks. OnNewIntent-> OnRestart-> OnStart-> onResume OnActivity-> OnResume. OnNewIntent, OnActivityResult? OnNewIntent launchmode with singletask or singleInstance. But if set the

the type of a variable when declaring a variable. You can directly write code such as x = 111 and x = "I'm a string" without any errors. Python is ideal for object-oriented programming (OOP) because it supports defining classes through composition and inheritance ). Python does not have access specifiers (access specifier, similar to public and private in C ++). The basis for this design is "everyone is an

establishes a dependency between the beans.Simply put, beans are objects that are initialized, assembled, and managed by the spring IOC container.The process of getting the Bean object, first loading the configuration file with resource and starting the IOC container, and then getting the bean object through the Getbean method, you can call his method.Scope of Spring Bean:There is only one shared bean instance in the Singleton:spring IOC container, which is generally the Singleton scope.Prototy

according to your design to complete the following scenarios. 1. Find five articles closest to the specified article (similarity algorithms are based on the number of identical labels, and the larger the number, the more similar) Integrated Knowledge Section: 1. Talk about your understanding of cookies and sessions, what their application scenarios are, and how they might be able to explain how the session can be shared under a variety of application

AngularJS interview questions and angularjs questions What are the differences between ng-if and ng-show/hide? The first difference is that ng-if creates this dom node only when the following expression is true. ng-show is created at the initial time and uses display: block and display: none. The second difference is that ng-if will generate a new scope (implicit

Java Exception Handling interview questions, java exception handling questions 1. What are the differences between error and exception? An error indicates a system-level error. It is an internal error in the java Runtime Environment or a hardware problem. You cannot expect a program to handle this problem. You have no choice but to exit the operation. It is throw

to the View (its subclass can also be used, such as UIButton). The Controller adds a target selector to the button and calls back to the Controller when the button is pressed, the Controller then updates the Model. When the Model changes, the Controller receives the observer message or notification message and updates the View display style. What is high cohesion and low coupling?Extended Interview Questions