basic java interview questions and answers

Php programmer interview questions and answers Class my_class { Function my_funct ($ my_param) { User_error ("please define me", E_ERROR ); } Function B () { Return 10; } } ?> A. Multiple inheritance B. Interface C. abstract method D. private method E. function overload)7. suppo

Uiimageview in ASIHTTPRequest or sdwebimage? (Put the Uiimageview in the UITableViewCell inside to ask more praise)13. Trouble you to design a simple picture memory buffer (removal strategy is a must say)14. Tell me about your experience using instrument to optimize your animation performance (don't ask me what instrument is)What's Loadview for?Viewwilllayoutsubview you always know.What kinds of queue are there in GCD? Have you built the serial queue yourself? What is the threading model behind

The following is an interview question set from Google to see if you can answer it. Many of these questions are open-ended and there are many correct answers, so use your creativity and imagination. 1. How many golf balls can be mounted on a school shuttle? 2. You are reduced to only a coin with a very high thickness (not squashed, but scaled down proportiona

tee filter?Answer: The tee filter is used to send output to multiple destinations. If used for pipelines, it can copy the output to one file and copy the other to the screen (or some other program).[Email protected]:~$ ll/etc | NL | Tee/tmp/ll.outIn the example above, the LL output can be captured in the/tmp/ll.out file and also displayed on the screen.Q: Export PS1 = "[Email protected]:\ $PWD: What is this command doing?]A: This export command changes the login prompt to display the user name,

Tags: sql face question SQL exerciseStructure of the tableStudent (s#,sname,sage,ssex) Student tableCourse (c#,cname,t#) timetableSC (s#,c#,score) score tableTeacher (t#,tname) Teacher table 1. Creating the corresponding table CREATE table student (' s# ' int, sname varchar (+), Sage int, s Sex varchar) The following omit 2. Inserting data insert into student Select 1, ' Zhang San ', 18, ' Male ' union ALL select 2, ' John Doe ', 18, ' Male ' Unio n all .... 3. Check the number of all stud

Today, I read a blog on innovative workshop interview questionsQuestion: ABCDE five-member fishing, sleep, a woke up, threw away one fish, divided the rest into five points, took one, and left; B woke up and threw away one, divide the remaining parts into five portions and take one portion. Then CDE obtains the fish according to the above method. How many fish have they caught? It is interesting that many of the students participate in the solution. I

From: http://www.leezao.cn/article.asp? Id = 465 This article focuses on several common C # And. Net classic interview questions, such as "differences between classes and structures in. Net", and "How many methods of passing values between ASP. NET pages ?", The answer is concise and concise, hoping to help readers who want to learn C # And. net. 　1. What is the difference between classes and structures i

Question 1: "Please introduce yourself"Idea: 1. This is a required question for the interview. 2. The content should be consistent with your resume. 3. colloquial expressions as much as possible. 4. Do not talk about irrelevant or useless content. 5. The Organization should be clear and the layers should be clear. 6. It is best to write your skills in the form of text in advance. Question 2: "talk about your family situation"Train of Thought: 1. The

This interview questions2344095 (caring)SortAshzs (can contain Chinese characters ))Thank you! 1. There are 14 200 GB disks on the ark, and the database size includes log files. How to set the disk (which indicates how the 14 disks are used )?2. there are two Server Clusters, node1 and node2. Now we need to install win200 system patches. After the patches are completed, we need to restart the system. How to install the patches does not affect the user

Linux Command lines, as well as the use of Linux commands for Linuxshell interaction, are the most attractive part of Linux and one of the most common topics in the interview. In this article, we will ask 10 important questions during the interview, which will certainly broaden your knowledge. 1. How to pause a running process and put it in the background (not ru

. Net interview questions and answer 1) What is the difference between a thread and a process? Both threads and processes define some boundary. The difference is that processes define applications. Program Boundaries with applications, different processes cannot be shared Code And data space, while the thread defines the boundary between the code execution stack and the execution context. A process can co

Interview Questions (1 ):Connect n numbers to obtain the smallest or Largest Integer (Baidu exam) Description: There are n positive integers connected into a row to form a minimum integer.Program input: N countProgram output: Multi-digit join For example:When n = 2, the minimum integer connected by two integers 32,321 is: 32132,When N = 4, the minimum integer of the four integers, namely, 55, 31, 312, and

The answer here is not comprehensive. These questions can be explained from multiple perspectives. Maybe you don't have to give a full answer during the interview, you only need to answer your questions to familiarize the interview examiner with Oracle concepts. 1. Explain the differences between cold backup and hot ba

To be honest, the following questions are all about finding a fault. It is very likely that you will not encounter it during the interview. However, when people "look for" the door, you only have to fight with him. 1. Have no work experience. Do you think you are suitable for our requirements? Stupid answer: But you are here to recruit new college students. A: I heard that a young tiger is rejected outside

From: http://topic.csdn.net/u/20070315/10/78d03595-b5fa-4853-ab02-37ed16c2ddb3.html Answers to the first group: 1) three ropes, the first ignition, the second ignition, and the third ignition After the first rope is burned (30 minutes), the other end of the second rope is ignited. After the second rope is burned (45 minutes), the two ends of the third rope are ignited, timing is complete after the third rope is burned (1 hour 15 minutes) 2) According

One of Google's interview questions: there are eight balls of the same size, 7 of which are of the same weight, with a slightly heavier one. How can I use the balance to determine which ball is heavier only twice? Answer:For the first time, I took out 6 of them and placed them on the balance, each weighing 3. I can determine where the heavier one is. There are three situations: 3 on the left of the balance

20 Linux Command Interview Questions and answersQ: 1. How can I view the running level of the current Linux server? A: the who-r and runlevel commands can be used to view the running level of the current Linux server.Running level:0-downtime (do not set initdefault to 0) 1-Single User Mode 2-multiple users, but there is no NFS3-full multi-user mode 4-5-X116-Restart not used (do not set initdefault to 6) Q:

1. Use PHP to print the previous day in the format of 22:21:21 Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->// Echo date ('Y-m-d H: I: s', time ()-60*60*24Echo date ("Y: m: d H: I: s", strtotime ("-1 day "));?>2. Differences between echo (), print (), and print_r ()ECHO is a language structure with no returned values;The print function is basically the same as the ECHO function. The difference is that print is a function with a return valu

is a function and has a return value. print_r is a recursive print that outputs array objects. 3. templates that can be used to split HTML and PHP So much, in fact, PHP itself is a template engine, I used smarty, common also PHPLib, FastTemplate, Savant here has a template engine list: http://www.sitepoint.com/forums/showthread.php? T = 123769 4. How to Implement PHP and JSP interaction? The question is a bit vague. SOAP, XML_RPC, Socket function, and CURL can all achieve this. If PHP and

/** * By metaphy 2005-11-12 * Version: 0.01 * Note: The answer to the question comes from metaphy's previous knowledge or network. metaphy cannot guarantee its correctness or integrity and is only for reference. **/ I. Basic Q 1. Which of the following classes can be inherited? Java. lang. Thread (T) Java. lang. Number (T)