java web interview questions

Math, etc. that cannot be instantiated.The host is the browser's own Document,window, etc.The difference between 19.document load and document readyDocument.onload is executed after the structure and style are loaded. jsDocument.ready native species there is no such method, there is $ () in jquery. Ready (function)20. The difference between "= =" and "= = ="The former will automatically convert the typeThe latter will notSame-origin strategy for 21.javascriptA script can read only the propertie

separately, which belongs to the salvage function operation.Interview question: Please explain the difference between ArrayList and Vector.· These two classes are subclasses of the List interface;· The Vector class is provided at JDK 1.0, and the method of operation provided is synchronous, so it is thread-safeThe Operation class;· The ArrayList class is provided at JDK 1.2, and the method provided is asynchronous, so it belongs to the non-linearProcess-safe Operation classes.If later in develo

types of attacks (XSS and CSRF) to understand the extent.5) Whether to understand public key cryptography and private key encryption. How to ensure that the password field in the form submission is not compromised. What does the captcha do to solve the security problem?6) Coding Common sense: File encoding, URL encoding, Unicode encoding what meaning. How a GBK encoded page correctly references a UTF8 resource　VI. Study ability and methodology1) What is the website you must log into every day (

Links: http://ifeve.com/java-multi-threading-concurrency-interview-questions-with-answers/Original: Http://www.journaldev.com/1162/java-multi-threading-concurrency-interview-questions-with-answersMultithreading and concurrency iss

Java interview question Summary 2 (Continuous updates), java questions 1. How to format a date Answer:Date now = new Date (); SimpleDateFormat sdf = new SimpleDateFormat ("yyyy-MM-dd hh: mm: ss "); String formatNow = sdf. format (now ); The formatNow variable is the formatted date. 2. What are several implementation m

types of attacks (XSS and CSRF) to understand the extent.5) Whether to understand public key cryptography and private key encryption. How to ensure that the password field in the form submission is not compromised. What does the captcha do to solve the security problem?6) Coding Common sense: File encoding, URL encoding, Unicode encoding what meaning. How a GBK encoded page correctly references a UTF8 resource　VI. Study ability and methodology1) What is the website you must log into every day (

completed return Modelandview7, Handleradapter the controller execution results Modelandview returned to Dispatcherservlet8. Dispatcherservlet Pass Modelandview to Viewreslover view parser9, Viewreslover after parsing return to the specific view10. Dispatcherservlet the rendered view based on the view (populate the model data into the view).11. Dispatcherservlet Response UserFour, Spring MVC design AdvantagesFive, the main difference between SPRINGMVC and Struts2?The entrance to the ① Springmvc

Regular Interview Questions and answers by a ribaba Java engineer, Baba java 1. Implementation of Spring AOP and IOC Http://blog.csdn.net/tarena_lixy/article/details/7096114 Http://blog.csdn.net/kiss_vicente/article/details/6901295 Http://blog.csdn.net/it_man/article/details/4402245 2. Distributed message queue and dis

). In the process of populating the handler, depending on your configuration, Spring will do some extra work for you: Httpmessageconveter: Converts the request message (such as Json, XML, and so on) to an object, converting the object to the specified response information. Data Transformation: Data conversion for a request message. such as string conversion to Integer, double, and so on. Data is initialized: Data is formatted for the request message. such as converting a string into a formatt

1. Tell me about your understanding of doctype.2.web Product Development process3. Tell me about your understanding of the box model4. What are the three layers of the front page? What is the role?5. What are the inline elements? What are block-level elements? How do they transform each other?What are the introduction methods of 7.CSS?8. Please use CSS to define 9. Talk about CSS Sprites technology10. In which browsers did you test the page? What are

= "Aaaabbbccccddfgh"; var obj = {};for (var i=0;i10, write a function, clear the string before and after the space. (compatible with all browsers)function Trim (str) {if (str typeof str = = = = = = "string") {return str.replace (/(^\s*) | ( \s*) $/g, ""); Remove front and back blank characters}}other1. What is the process of a complete HTTP transaction? Basic Flow:A. Domain Name resolutionB. 3-time handshake to initiate TCPC. Initiating an HTTP request after establishing a TCP connectionD. ser

After JDK5, Java provides a more convenient security mechanism that uses lock locks for thread-locked operations and release operations without using synchronized . More clear. Example:Lock lock=new Reentrantlock ();Lock.lockCode that needs to be lockedLock.unlockWhy is lock more secure? Because synchronized may cause deadlock phenomenon, specifically about the deadlock phenomenon can refer to the operating system, there is no more to say.Summarize th

115 Java Interview Questions and answers-ultimate list (I), 115 java Object-Oriented Programming (OOP) Java is a computer programming language that supports concurrency, class-based, and object-oriented. The advantages of object-oriented software development are listed bel

Original link: http://ifeve.com/java-multi-threading-concurrency-interview-questions-with-answers/Multithreading and concurrency issues are among the questions that interviewers prefer to ask in a Java technology interview. Here,

Java interview 30 Question 1: What are the differences between final, finally, and finalize.Second, can anonymous inner class (anonymous internal class) be extends (inherited) other classes, or implements (implemented) interface (Interface )?Third, the difference between static nested class and inner class is that the more you say, the better (the more general the inter