java interview questions and answers

= "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

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

[Finishing]c#. NET common interview questions with Answer (ZT) A friend who is looking for a job may use it. I am not too understand resistance, last week a friend came to me to find a job he tidied up, so I only responsible for posts, the answer to the question to you. --------1. What does object-oriented thinking mainly include? 1 Inherit polymorphic Package//--------2. What is a user Control 2 user contr

This article briefly introduces the interview questions for jsp programmers. For more information, see. JSP Question 1. What built-in objects does jsp have? What are their roles? A: JSP has the following nine basic built-in components (which can correspond to the six internal components of ASP ): Request client request, which contains parameters from the GET/POST request Response returned from the response

I recently saw a blog post posted by Lao Zhao, "questions I asked during the interview with. Net/C # programmers". I tried to answer this question and I forgot to add it: What is. Net? What is CLI? What is CLR? What is Il? What is JIT and how does it work? What is GC? How does GC work? What is. net Dot Net is a complete set of platforms proposed by Microsoft in 2000, including the underlying operating sy

. 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

Java interview questions, Java interview questionsInterview is something that everyone has to go through. Most people have more than one interview. Here we will summarize the latest interview