java web interview questions

This article mainly tells about the Ajax 20 interview questions, will have these questions, the interview is not afraid of, according to the above answer, certainly can find a good job. Now let's see this article together. 1, what is Ajax, why use Ajax (please talk about your understanding of Ajax)What is Ajax:Ajax is

second variable, it must be explicitly initialized. If you try to use it before it is initialized, the compiler will protest. If the initialized statement is in a try block or an if block, it must be assigned before the first use. That is, the compiler will also protest if the initialization statement is placed in a conditional judgment statement with only the If block, because execution may not conform to the judgment condition after the IF, so that the initialization statement is not executed

Consistent, value is UTF-82) browser display character encoding consistent with the requested JSP page encoding2. get The Chinese parameter value in the JSP page: the encoding used by the default parameter in transit is iso-8859-11) for post requests: call request.setcharacterencoding ("UTF-8") before getting the parameters;1 2 request.setcharacterencoding ("UTF-8");3 4 %>5Username=Request.getparameter ("username") %>　　2) for GET requests:① first get the parameters, then decode, then e

Android interview questions, android interview1. How to Improve the sliding efficiency of ListView2. Let's talk about the architecture of the project package (networking, parsing, activity, database ).3. how to load a large number of images (including small images and big charts), how to reduce the number of connections to the server at a time, and how to cache images,4. Relationship between onInterceptTouc

Java interview skills: the first impression is very important, and the interview dress question Java interview skills: carefully prepare your reasons for leaving the company Java

I will summarize some common android interview basic questions to see how many questions can you make? 1. What are several intent startup methods? Do you understand each meaning? Here, android123 reminds you that some intent tags include flag_activity_brought_to_front, flag_activity_clear_top, struct, struct, flag_activity_multiple_task, and flag_activity_

Interview preparation series 03 ---- Summary of Binary Tree questions in the interview Interview preparation series 03 ---- Summary of Binary Tree questions in the interview This article is the first article in the

ASP. NET classic 60 interview questions, asp. net60 questions 1. Briefly describe the access permissions of private, protected, public, and internal modifiers.A. private: private Members can be accessed within the class.Protected: protects members, which can be accessed within the class and in the inheritance class.Public: A public member. It is completely public

teams and scores) in an XML document. users of software developers interview questions-how to store n-dimensional vectors in a database. Software developer Interview Hundred answers-what is the difference between queues and stacks? Software developer Interview Hundred answers-how to store color values in the dat

virtual.Attention:If you do not need a base class to manipulate derived classes and objects, you cannot define virtual functions, including virtual destructors, because this increases memory overhead.How C + + makes the function of the returned object not call the copy constructor"Explicit" keyword before copy constructor35. Orphan process and zombie processHttp://www.cnblogs.com/Anker/p/3271773.htmlWritten and interview

. NET basic interview questions and. net questions I graduated this year and have some temporary preparations before the interview during my job search this semester. The following answers to the interview questions shared by Lao

How can I make an element invisible through CSS? (Interview questions), css interview When I saw this problem during the interview, I thought it was not comprehensive. I will sort it out and study it together: I. Hide CSS ElementsIn CSS, there are many ways to hide elements (invisible to the naked eye within the screen

I may ask some questions about the constructor during the interview ~, Constructor interview The constructor is also a frequently asked question by the interviewer. We know that the initialization of a class depends on it. Below are a few small questions. Q: I can see that there is usually a BasePage page in a