java interview questions

operation: Normal mode, edit mode, and command mode.③ keyboard input in normal mode any character is executed as a command, or you can enter a command to move the cursor, character, word, line copy, paste, and delete.④ edit mode is used primarily for text input. In this mode, any characters entered by the user are saved as the contents of the file.⑤ Command mode, the user can do some things such as String lookup, replace, display line number, etc. or must enter the command mode.⑥ enter a colon

Php Chinese network (www.php.cn) provides the most comprehensive basic tutorial on programming technology, introducing HTML, CSS, Javascript, Python, Java, Ruby, C, PHP, basic knowledge of MySQL and other programming languages. At the same time, this site also provides a large number of online instances, through which you can better learn programming... Reply: generally, it requires five years of experience (not discussed in special cases on the marke

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 applications. 2. Talk about your understanding of single

During the interview, you are usually asked to fill in two tables. One is your detailed information table, and the other is the answer to the questions.Both of them should pay attention to whether there are content in the anti-positive aspect. If you test your server, there are usually two types, that is Program Connect to the database or some basic Algorithm (Binary Search, recursion, etc.), the company generally tests whether your basic skills are s

8 PHP array interview questions and php array questions I have prepared to record the PHP array questions on the Internet. 1. Write a function to create an array with a length of 10. The elements in the array are an increasing odd number and the first item is 1.Copy codeThe Code is as follows: Function arrsort ($ first

Share several typical javascript interview questions and several javascript questions These questions are a bit interesting. You can study them to help you improve your skills. 1. What is output during the call process? Function fun (n, o) {console. log (o); return {fun: function (m) {return fun (m, n) ;}} var a = f

Sizeof series pen questions seem simple. In fact, if you don't go into depth, it is easy to make mistakes, and I am sometimes defeated here. I will give a conclusion in my close-up blog, taking it as a warning.Differences between V1.0 32-bit and 64-bit Compilers The test code is as follows: # Include "stdafx. H "# include The execution result is as follows:V2.0 sizeof character array The test code is as follows: # Include "stdafx. H "# include The e

[C language] [Interview Questions] [Pen questions] simulate strstr Functions # Define _ CRT_SECURE_NO_WARNINGS 1 # include

[[C language] [Interview Questions] [Pen questions] query in two-dimensional array, Young's Matrix #define _CRT_SECURE_NO_WARNINGS 1 #include

10 most common HTML5 Interview Questions and Answers, html5 Questions and answers 1. What is the new HTML5 document type and character set? HTML5 document type is simple: HTML5 uses UTF-8 Encoding 2. How to embed audio in HTML5? HTML5 supports audio in MP3, Wav, and Ogg formats. 3. How to embed videos in HTML5? Similar to audio, HTML5 supports MP4, WebM, and Ogg

Common Database interview questions and database questions Paradigm 1: Each column in a database table is a basic data item that cannot be further divided. values or duplicate attributes are not allowed. For example, if a table contains a phone number field, the value has a mobile phone number, there is another seat number, which does not match.Summary: fields c

Js interview questions-inheritance of js, js questions-js Js is a flexible language. There are often multiple ways to implement a function. ECMAScript does not have a clear Inheritance Mechanism, but is achieved through imitation. According to the characteristics of js, js implementation inheritance has the following common methods:1. Use object impersonating to

Computer Network interview questions, computer network questions 1,OSI Layer-7 protocol,Layer-4 TCP/IP protocol,Five-Layer Protocol mentioned in instructor Xie xiiren's online textbookComparison Note: (1) OSI's layer-7 protocol is only a theoretical protocol, which is not actually used. (2) the architecture of the layer-4 TCP/IP protocol in practice. (3) The fiv

Ddchuxing -- Summary of php interview questions and ddchuxingphp questions 1. Differences between echo and print Echo has no return value. print has return value 1. If the execution fails, false is returned. echo outputs faster than print because no return value exists. echo can output one or more strings, print can only output one string. print can be used for c

PHP interview questions, php questions Tip: Set the PHP file character encoding header ("content-type: text/html; charset = UTF-8") before the test code "); 1. 1.1 Use PHP to get the current time and print it. Format: 22:19:30 2. 2.1 convert string to array $ Str = "www.baidu.com ";$ Arr_str =Explode('.', $ Str );Print_r ($ arr_str); // Array ([0] => www [1] =>

This article focuses on the question of Ajax questions and answers, you can take a look at the interview of those who are how to issue, and see what the correct answer is. Now, let's see this article. 1. Do you interact with the background during work? Well, can you tell me a few parameters in the encapsulated Ajax? URL: The address where the request was sent. Type: The request method (post or get) defaults

(reprinted and collated from the concurrent programming network, slightly modified to organize, more to explore and share, learn together, we are willing to become an offer harvester!) ）Multithreading and concurrency issues are among the questions that interviewers prefer to ask in a Java technology interview. Here, the inter