data entry interview questions and answers

find the index of the stored key-value pair. Entry is stored in LinkedList, so if there is a entry, it uses the Equals () method to check whether the passed key already exists, and if it does, it overwrites value and if it does not, it creates a new entry and then saves it. When we call the Get method by passing the key, it uses hashcode () again to find the ind

, and if it does, it overwrites value and if it does not, it creates a new entry and then saves it. When we call the Get method by passing the key, it uses hashcode () again to find the index in the array, then uses the Equals () method to find the correct entry, and then returns its value. The following picture explains the details.Other important questions abou

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 issues are among the

Interview questions about the Linux firewall ' iptables 'Nishita Agarwal, a tecmint user, will share an interview experience with a company she has just experienced (Pune, a private company in India). She was asked many different questions during the interview, but she was a

10 HTML5 interview questions and answers are selected. This is the most common interview question for Web developers. After you have mastered these important interview questions, you will surely feel that your understanding has im

after the real object is called.Proxy mode,The proxy class and the proxy class implement the same interfaceAn instance of a proxy class in a proxy classBehavioral patterns: Focus on communication between objectsSuch as: Responsibility chain mode, iterator mode, command modeResponsibility chain ModelSimilar interceptors, etc.Command mode:Separates callers from Callee's behaviorInterpreter mode:Each syntax is an interpreter classIterator mode:Change the collection class's view traversal and add a

many benefits of saving server bandwidth and faster download speed, the most important thing is that if the browser has downloaded the same version of JQuery from the same CDN, it will not download it again. So today, many public websites use jquery for user interaction and animation, and if the browser already has a downloadable jquery library, the site has a great opportunity to showcase it.What is the difference between the Jquery.get () and the Jquery.ajax () methods?The Ajax () method is m

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, the most important

I saw some advanced php interview questions on the internet ...... I got some answers ...... It may not be comprehensive. Leave it for future use. I. Basic knowledge point 1.1The meaning of several status codes in the HTTP protocol: 503500401403404200301302 ...... 200: the request is successful, and the requested data

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). 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.

Multithreading and concurrency issues are one of the questions that interviewers prefer to ask in a Java technology interview. Here, the most important questions are listed from the interview point of view, but you should still have a solid grasp of Java multithreading Basics to meet the future problems. (Proofing Note

nonatomic and atomic: your understanding of them.29. Communication Methods between two objects30. How to store OS data? Does the SQLite database support writing data from multiple threads? If not, how can this problem be solved?31. If a function is executed for 10 times and the secondary result is incorrect for eight times, how should you check the bug.32, 1-1000 digits, the order is disordered, and three

ASP, PHP, and JSP pages require additional language engines to analyze and execute program code. The execution result of the program code is re-embedded into the HTML code and sent to the browser together. ASP, PHP, and JSP are all Web server-oriented technologies. client browsers do not require any additional software support.3. What about mvc? A: An application completed by a Model, View, and Controller sends the functions to be implemented by the Model to the Controller, and the Controller r

on another thread's message, and waits until the message arrives when it does not get another thread's message.Thread mutex refers to the exclusive nature of the shared process system resources when each individual thread accesses it. When there are several threads that want to use a shared resource, at most one thread is allowed to use at most, and other threads that want to use that resource must wait until the resource is freed by the resource. Thread mutexes can be seen as a special kind of

using parallelism in Core Data is that each NSManagedObjectContext must be accessed only from the process in which it was created . What is the difference between POST and GET for HTTP?The request for a get type is idempotent according to the HTTP protocol, while the POST request has side effects, that is, get is used to get some resources, and post is used to change some resources, which may create new resources or update existing resources.A

need. Read the Java futuretask example to learn how to use it.7. What is the implementation of concurrent containers?Java collection classes are fast failures, which means that when a collection is changed and a thread iterates through the collection using Iterators, the next () method of the iterator throws a Concurrentmodificationexception exception.Concurrent containers support concurrent traversal and concurrent updates.The main classes are Concurrenthashmap, copyonwritearraylist and Copyon

PHP interview questions, with my answers and Analysis (1) Interview Question 1 1. use PHP to print the time format of the previous day in the format of 22:21:21 2. differences between echo (), print (), and print_r () 3. templates that can be used to split HTML and PHP 4. how to implement PHP and JSP interaction? 5. wh

PHP interview questions, with my answers and Analysis (1 ). Interview Question 11: use PHP to print out the time format of the previous day: 2006-5-, echo (), print (), print_r () difference 3. templates that can be used to separate HTML and PHP 4. how to implement PHP and intervie