java technical interview questions

requirements graphically in various phases of software development; IBMRational Rose is one of the many UML modeling tools in the requirements phase, often used in drawing examples, class diagrams, sequential graphs. 15. Describe the tool class that you exported, and indicate the maximum amount of data POI (combining cell objects and background color applications) Finally here also found some of Baidu Library interview

1 , what are the aspects of object-oriented features ?　　The object-oriented programming language has 4 main features: encapsulation, inheritance, abstraction, polymorphism, etc.Details:http://www.cnblogs.com/guweiwei/p/6599289.html2 , access modifiers public,private,protected, and what is the difference between not writing (the default)? 　　Defaults to default when members of a class do not write access adornments. The default is equivalent to exposing (public) to other classes in the same packag

: The above can solve the POST request garbled problem. There are two garbled methods for GET request Chinese parameter:Modify the Tomcat profile add code to match the project code as follows: Another way to re-encode parameters: StringuserName =newString (Request.getparamter ("UserName"). GetBytes ("Iso8859-1"), "Utf-8") Iso8859-1 is the tomcat default encoding, and the Tomcat encoded content needs to be encoded by utf-8What is

Common commandsFile Related:ls, DU/DF, Cat, VIUser Related:chown,chmod,useradd,groupaddNetwork Related:tcpdump, Ifcfg,route,netstatOthers:top, Find,rpm,tar,grep, etcJMS implementation, Queue, topic differencesProducer:destination.send (Message) destination:queueConsumer Mdb:onmessage QueueQueue:point to point (1-to-1)Topic Publish/subscribe (1 to many)Http://baike.baidu.com/subview/157103/12665866.htm?fr=aladdinhttp://blog.csdn.net/cloud_ll/article/details/1822804914.Spring BenefitsInverse of c

. (Critical resource: A resource that is shared by multiple threads) when the read-write thread acquires the lock frequency is not very different, generally adopt the mutex, if the read thread accesses the critical resource more frequently than the write thread, this time using read-write lock is more appropriate, read-write lock allows multiple read threads to access critical resources, read-write thread must mutually exclusive access The implementation of the read-write lock uses a mutex, so i

method. The @Autowired belongs to spring, and the @Resource is the annotation of the JSR-250 standard, which belongs to the EE. @Autowired is assembled by type by default, you must require that the dependent object must exist by default, and if you want to allow null values, you can set its Required property to False, for example: @Autowired (Required=false), If we want to use the name assembly can be used in conjunction with @qualifier annotations, as follows: @Auto

Ref property. byname: Automatically assembled by the parameter name, the spring container discovers that the bean's Autowire property is set to ByName in the configuration file, and then the container tries to match, assemble, and bean whose attributes have the same name. bytype:: With automatic assembly of parameter types, the spring container discovers that the bean's Autowire property is set to Bytype in the configuration file, after which the container tries to match, assemble, and

back. c) Consistency: Things are in a consistent state before and after they are executed D) Persistence: the operation of a thing with multiple data is permanent E) Isolation: When a thing is working on the data, another thing can not manipulate the data, that is, multiple concurrent things are isolated from each other. 28. Struts Work Flow A) The client sends a request to the servlet container b) The request passes through some column filtering by Filterdispatcher call, Filterdispatch through

timed out ( seconds ) Rollbackfor Class[] {} Exception classes that need to be rolled back Rollbackforclassname String[] {} Exception class name that needs to be rolled back Norollbackfor Class[] {} Exception classes that do not need to be rolled back Norollbackforclassname String[] {} Exception class name that does not need to be rolled back http://zhou137520.iteye.

Let's talk about some questions about the java programmer interview. This blog post is intended for recent graduates and java programmers who have been working for about two or three years. Why do I need to change jobs? This is a broad question. Everyone has an answer. For example: The company is not well-treated, The

Multithreading and concurrency issues are among the questions that interviewers prefer to ask in a Java technology interview. Here, the most important questions are listed from the interview point of view, but you should still have a solid grasp of the basics of

Java Algorithm interview questions: What are the methods for sorting? List. Use JAVA to implement a fast sorting. Select bubble quick set to sort by at least four methods, java Algorithm Package com. swift; import java. util. arra

XML interview questions include XSLT techniques for transforming XML files, xpath,xquery, and XML basics such as DTDs or schemas. This article will see 10 common XML interview questions and answers. Most of these questions are asked in a

Summary and Induction of JAVA interview questions of Niuke Network (1), Niuke javaPreface Today, I saw an article on explaining the Spring framework in the Nuggets. The article mentioned Niu Ke's interview questions. As a result, I downloaded the Niuke web app and found that

Job-hopping is not frequent, but has participated in a lot of interviews (telephone interview, face to faces interview), large/small companies, Internet/traditional software company, batter (above his business, lack of actual combat experience, hang off), also face, fortunately not because of failure and discouraged, in the process of constantly check gaps, developed a practical, Trace, continuous improveme

Java Multithreading and Concurrency basics interview questions and AnswersOriginal link: http://ifeve.com/java-multi-threading-concurrency-interview-questions-with-answers/Multithreading and concurrency issues are among the

Interview Questions for Java engineers [social recruitment], java engineers Http://blog.csdn.net/jackfrued/article/details/44921941 1. What are the features of object orientation?2. What are the differences between access modifiers public, private, and protected?3. Is String the most basic data type?4. Is float f = 3.4

[Switch] Top 50 Java thread interview questions, javatop No matter whether you are a new programmer or veteran, you must have encountered thread problems during the interview. An important feature of Java is its built-in support for concurrency, which makes

115 Java Interview Questions and answers-ultimate list (I), 115 java This article will discuss various types of interview questions in Java interviews, which allow employers to test ca

Interview Questions and answers for 40 Java sets and 40 Java Sets Provided by Beijing shangxuetang 1. JavaWhat is a collection framework? What are the advantages of a collection framework? Each programming language has a set. The original Java version contains several collec