java tricky interview questions

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JSP enterprise interview questions (4)

JSP enterprise interview questions (4)5-1. Briefly describe the relationship between Servlet and JSP. JSP is implemented in another way. servlet is an earlier version of JSP. In JSP, it focuses more on the page performance, while in servlet, it focuses more on the implementation of business logic. Therefore, JSP is preferred when the page display effect is complex. Or htmlCodeJSP can be selected when

Analysis of PHP software engineer's classical interview & amp; written examination questions

What is the hidden content of this post after a PHP programmer's classic interview and a written examination question? 201712195421.rar (41.35KB, download times: 1) 2010-10-1322: 37 Upload download times: 1 Original Post address: phpjava.orgthread-25-1-1.html this article from: PJDN -- php amp; java Forum | analysis of classic interview and written examination

Reprinted online interview questions

Android interview questions 1.Which of the following statements about memory reclaim are correct? (B) A,ProgramThe worker must create a thread to release the memory. B,The memory reclaim program is responsible for releasing useless memory. C,The memory reclaim program allows programmers to directly release the memory. D,The memory reclaim program can release memory objects at a specified time. 2

An SQL query method learned by a Q & A (Multiple-to-multiple-link query interview questions)

Q A location: http://space.cnblogs.com/q/20546/q A: I have asked more questions about the relationship: 5 [resolved issues] Browse: 52 times 00 Student table T1 Stu_id Stu_name 1 Zhang San 2 Li Si 3 Wang Wu Course list T2 Co_id Co_name 1 Java 2 C # 3 C 4 C ++ 5 Javascript Lin

Summary of String-related Interview Questions

Summary of String-related Interview Questions 1. First, let's look at the oldest. Is String a basic data type? A: No. Basic data types include byte, char, short, int, long, float, double, and boolean. These eight types are built-in types in Java, also called native types, string is not. It is a class. 2. String s1 = "abc"; String s2 = "abc"; System. out. println

Web Service Interview Questions and answers

Web Service Interview Questions and answers What is a Web service? Define people and companies have debated the exact definition of Web Services. at a minimum, however, a Web Service is any piece of software that makes itself available over the Internet and uses a standardized XML messaging system.XML is used to encode all communications to a web service. for example, a client invokes a web service by sen

Android interview questions

Android interview questions 1. Whether the process of android dvm is the same concept as that of Linux: A: dvm is a dalivk virtual machine. Every android application runs in its own process and has a dalivk Virtual Machine instance. Every dvm is a process in linux. Therefore, it can be considered the same concept. 2. What types of android animations are available? What are their characteristics and differen

Baidu's Android recruitment interview questions

). Loue: A thread can generate a loue object to manage the Message Queue (Message Queue) in this thread ). Handler: You can construct a Handler object to communicate with logoff so as to push new messages to the Message Queue or receive messages sent by logoff from the Message Queue. Message Queue: used to store messages placed by threads. Thread: the UI thread is usually the main thread, and a Message Queue is created for the Android Startup Program. 8. Let's talk about the principles of

Android interview questions Accumulation

without digital certificates.(2) the digital certificate used by the android package can be self-Signed and does not require signature authentication by an authoritative Digital Certificate Authority.(3) To officially release an Android app, you must use a digital certificate generated by a suitable private key to sign the app, rather than using the debugging certificate generated by the ADT plug-in or ant tool for release.(4) digital certificates are valid. Android only checks the validity per

Multi-threaded interview questions and Answers

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

[Java plane] Two or three things about the interview.

reflection? This is the need to setaccessible () method to suppress Java access to the check, at that time felt that the front of the problem was asked the confused, the brain is blank. The rest is not very clear, the overall interview or asked a lot of questions, most of me can be very good answer up, this is to let me feel the most depressed an

Android pen interview questions

Android interview questions 1. Which of the following statements about memory reclaim are correct? (B)A. the programmer must create a thread to release the memory.B. The memory reclaim program is responsible for releasing useless memory.C. The memory reclaim program allows programmers to directly release the memory.D. The memory reclaim program can release memory objects at the specified time. 2. The follow

Answers to Lao Zhao's interview questions (1)

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

Interview Questions and answers

. 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

JavaScript Complete Interview Questions

nested, must have root element, all XHTML elements must be nested within the root element5, to the Web standardization (or site reconstruction) know what the relevant knowledge, briefly describe a few of the Web standards you know?  Web standardization is divided into structural standardization, performance standardization, behavior standardization. The structure standard language has XHTML and XML, the performance standard language CSS, the behavior standard language w3c,ecmscriptWeb standardi

Organize your recent Android interview questions

/details/47017485Extended here: Brief introduction to Binder, http://blog.csdn.net/luoshengyang/article/details/6618363/  6. What is the difference between HTTP communication and HTTPS communication, and the specific process of HTTPS communication?http://blog.csdn.net/whatday/article/details/38147103  7. How to implement the source code for such a collection of list,arraylist.    55259978Android Related:  1. About Android memory optimization, layout optimization.http://blog.csdn.net/guolin_blog/

Some recent interview questions from Python (ii)

.x:sorted (iterable,/, *, Key=none, reverse=false), python2.x and sorted are somewhat different, with fewer CMP parameters.Key accepts a function that accepts only one element, the default is NoneReverse is a Boolean value. If set to True, list elements are sorted in reverse order and default to FalseFocus on how key works:key specifies a function that receives a parameter that is used to extract a keyword from each element for comparison. The default value is None.(2). The. Sorted () function s

Java Interview Knowledge points summary

This article will be frequently encountered in the interview of Java Technology Point of a comprehensive in-depth summary, help us in the interview more handy, not to participate in the interview students can also take this opportunity to comb their knowledge system, to check the leakage of the vacancy (read this artic

Interview Diary--Alibaba JAVA interview __java

Interview Diary--Alibaba Java interview Ali's interview is the most stressful one, but also the most test of technology.Did not expect Ali's interview notice is now received, can be said to be belated love it.Interview The remote interv

Interview Questions:. Net remoting

Interview Questions:. Net remoting 1. What's a Windows Process? It's an application that's running and had been allocated memory. 2. What's typical about a Windows Process in regards to memory allocation? Each process is allocated its own block of available Ram space, no process can access another process 'Code or data. if the process crashes, it dies alone without taking the entire OS or a bunch of

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