software engineer interview questions

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 e

Reprinted ETL architect interview questions 1. What is a logical data mapping and what does it mean to the ETL team? What is Logical Data ing? What role does it play on the ETL project team? A: Logical Data Map) describes the data definition of the source system, the model of the target data warehouse, and instructions on operations and processing methods to convert the data of the source system to the data

One: The difference between Eclipse and MyEclipseA: 1 common: Both are used to develop Java projects, and software usage is almost identical2 MyEclipse is a fee-free software, which can develop both Java and Web projects, Eclipse can only develop Java projects, if you want to develop a Web project, but also need to add additional Eclipse Web plug-in (of course, can go to open source website or company websi

. } } 56. Problem: Give an integer variable A, write two pieces of code, the first set of a bit3 is 1, the other bit does not change, how to implement it? /** * @author sanchan * @since 1.0 */ publicclassTest{ publicstaticvoidmain(String[]args){ //给一整型变量a，写两段代码，第一个设置a的bit3 为1，其他bit不变，怎么实现呢？ inta=8; //打印二进制 System.out.println(Integer.toBinaryString(a));//输出 1000 System.out.println(Integer.toBinaryString(a|4));//输出 1100 }

. At the same time if there are multiple threads accessing Hashmap,collections.synchronizedmap () can be substituted, generally hashmap more flexible.10. Why is the vector considered to be obsolete or unofficially deprecated? Or why we should always use ArrayList instead of vectors.You should use ArrayList instead of vectors because by default you are non-synchronous, vectors synchronize each method, you almost never do that, and usually you want to synchronize the entire sequence of operations.

configuration. While JavaScript is interpreted to perform without generating intermediate files, "read a sentence, execute a sentence", the execution can generally be done in three ways:1. The general browser comes with the JS interpreter, which can be used directly by the browser;2. Special interpreter software can be installed node. js, executing the. js file;3. Executed with the Web page, using the Third, the data typeJava is a strongly typed lang

exceeds Uncompress_data_ MAX (1314625 vs 1048576) "ioexception, but also derived a variety of solutions. Personally think there should be no such restrictions, in order to verify that this statement wrote a demo, found that nearly 5 m of the compression package in assets and raw can access the normal, so here to correct, theoretically as long as the package does not exceed the size of Android APK 50M limit is not a problem. Of course, it is not ruled out that Android very early time because o

Difficult interview questions Q:If you want to write a function (software development Customer) for the customer, this function is used to process an arrayThe entry is void test (int * P)The array will be operated in the function. There are two types:1. The input array is statically allocated.2. The input array is dynamically allocated (such as malloc ).So how ca

keywords.Output:Integer m, number of titles satisfying the condition (0 if not found)Match the title of the condition, one per line, if multiple, press the dictionary output to the title of the book.Dictionary order1. Each of the two titles begins with the first word, and the word "smaller" is preceded by the word "small" if it encounters a different word.2. The letters in the word are all lowercase. Two words first with the first letter as the basis for sorting, if the first letter is the same

file.A single portal makes it easier to control permissions, allowing for security checks on HTTP requests.Cons: URLs look less beautiful, especially unfriendly to search engines.14. Print one with '. ' Linked strings, what else can be used instead of '. ' More efficient links?can be used, instead., more efficient.15. What does the hint type 200, 404, 502 mean?200 is the request succeeds, 404 is the file is not found, and 502 is the server internal error.16. Write a custom function to extract t

: socket, completion port, asynchronous I/O, thread and synchronization, database, and so on.If the target job is a primary programmer: system architecture, software engineering, design mode, code management, version control, script related knowledge, etc. //////////////////////////////////////// /////////////////////////////////////////Interview Questions from a

ASP and net interview questions 1. Briefly describe the access permissions of private, protected, public, and internal modifiers.A. Private: Private Members can be accessed within the class.Protected: protects members, which can be accessed within the class and in the inheritance class.Public: A Public member. It is completely public and has no access restrictions.Internal: accessible within the same name

dispatch and dispatch, and a smaller unit that can run independently than a process. Thread's StrokeThe sub-scale is less than the process, which makes the multi-threaded procedure highly concurrency, and the process typically has independent memory units at execution time, while the threads can share memory. Programming with multithreading often leads to better performance and user experience,But multithreaded programs are unfriendly to other programs because they may consume more CPU resource

115 Java Interview Questions and answers-ultimate list (I), 115 java Object-Oriented Programming (OOP) Java is a computer programming language that supports concurrency, class-based, and object-oriented. The advantages of object-oriented software development are listed below: • Code development is modularized to facilitate maintenance and modification.• Code r

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

. Synchronize the data between the main library and the library, and then repeat the action again13. Use a single command to turn off all services except SSHD, Crond, network, Rsyslog services (no power-on automatic)Method One:[[Email protected]~]# for name in ' Chkconfig–list|grep 3:on|awk ' {print '} ' |grep-ev "sshd|crond|rsyslog|network" ';d och Kconfig $name Off;done[Email protected]~]# chkconfig–list|grep 3:onCrond 0:off 1:off 2:on 3:on 4:on 5:on 6:offNetwork 0:off 1:off 2:on 3:on 4:on 5:o

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

Summary of the interview questions of Spring and SPRINGMVC Application scenarios, AOP principles, benefits of AOP in 1.Spring. A: Aop--aspect oriented programming is programming for facets and is used to encapsulate crosscutting concerns in the following scenarios: Authentication permissions, Caching cache, context passing content delivery, error handling Errors handling lazy loading lazy loading, debuggin

Interview Topics: The things that you have to do with your career Guest interviewed: Zhang Ying Occupation/years of employment: Landscape, Architectural Design/2010 Company Name: Fujian Architectural Design Institute Contact information: 18659151645 Email (optional): [Email protected]. Com Student journalist Li Su

Real question two (14 points): Read the following instructions, answer questions 1 to 4, fill in the answer sheet in the corresponding column.Description: A software company in the development of a town resident insurance system, in order to speed up the progress of the test work after the initial completion of the system development and direct system testing. The test