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Three years of Java experience, interview preparation (1), java experience Preface Many things are actually from Baidu on the Internet. The following link is your reference article. Thank you for the link author. Java keywords The Java keyword does not count as much as I per
Regular Interview Questions and answers by a ribaba Java engineer, Baba java 1. Implementation of Spring AOP and IOC Http://blog.csdn.net/tarena_lixy/article/details/7096114 Http://blog.csdn.net/kiss_vicente/article/details/6901295 Http://blog.csdn.net/it_man/article/details/4402245 2. Distributed message queue and distributed cache Message Queue: RabbitMQ, Kafka
original link Connection author : Pankaj translator : Zheng Xudong proofreading : Fang FeiMultithreading 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
Original link: http://www.cnblogs.com/dolphin0520/p/3932934.htmlMultithreading 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
algorithms) on the operating system, and to solve a variety of complex inter-threading communication problems.The Wait () and notify () methods are finally explained in two points:First: Calling the Notify () method causes the unblocked thread to be randomly selected from the thread that was blocked by calling the wait () method of the object, and we cannot predict which thread will be selected, so be careful when programming, and avoid problems with
After JDK5, Java provides a more convenient security mechanism that uses lock locks for thread-locked operations and release operations without using synchronized . More clear. Example:Lock lock=new Reentrantlock ();Lock.lockCode that needs to be lockedLock.unlockWhy is lock more secure? Because synchronized may cause deadlock phenomenon, specifically about the deadlock phenomenon can refer to the operating system, there is no more to say.Summarize th
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 multithreading to match the
(Reproduced from the Concurrent programming network, a slight revision of the collation, more to learn more to share and study together, we would like to become an offer harvester.) ） Multithreading and concurrency issues are one of the questions that interviewers prefer to ask in a Java technology interview. Here, the most important questions are listed from the interv
Today we will be divided into four parts to talk about this problem, because I am a Java origin, so about the main language problems are related to Java, other language students can selectively ignore. In addition, the interview when the general interviewer's problems are cl
12-08 Zhou Qingdao: The weather is fine, a little warmerThis morning walked to the North court staircase found to sell book stalls, walk past a few days, and soon chose a "dream in youth in" Mr Yu, write to Chase Dream on the road you, I think with this book is destined points. Just bought it. 18 Bucks. Think about the last time you bought a book without knowing what time it was.Today about one o'clock in the afternoon to interview, the company is: wi
13:30-16:30 from school to return to school for 3 hoursThe first side of the internship this year, finish estimate to coolLet's start with a brief experience:At noon in bed do not want to get up, find themselves or escape, evade interview, Escape reality, Grind Ji to grind the last late, HR gave me 2 calls, make me very embarrassed. Find Sohu Building, rushed to the floor elevator, results one to 20 floor, I want to go to the toilet, think actually qu
Multithreading and concurrency issues are one of 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 Java multithreading Basics to meet the future
methods can be used", followed by a series of static problems, let me understand that my code is not running through. Looking at my code level seems to be not very satisfactory, it should be let him down. Change the question, "What is the difference between session and Cokkie" "session How to use, front desk or backstage use?" "The question should be kneeling, too."Change the question, "What is Spark?" "The interviewer does not know or have much inte
The Java Collection framework is the foundation of the Java programming language and is an important knowledge point in the Java interview. Here, I've listed some important questions and answers about the Java collection.What is a 1.Java
specifications are mainly table structure, field naming, redundancy design, sub-database sub-table, naming conventions, annotations and the likeDatabase optimization is complex, there are index optimization, index usage scenarios, index invalidation scenarios, index creation note points, index types, and if the data structure is good, you will be asked to say B + Tree related operations. Slow log query analysis, sub-database sub-table.Index may be alone to ask, there is a lot of content, it is
. From the perspective of a certain language, we can't see anything, but if we stand at a higher position and look at the problem comprehensively from different perspectives, we can hardly find that, the two will try to stay the same, and use their own expertise, so that we can build more powerful applications. While sun acquired jruby, Charles nutter, one of the core developers of jruby, and heart developer Thomas enobo also joined sun. This seems to allow us to associate Ruby with
exception handling mechanism in Java. Exceptions are abnormal conditions or errors that occur when a Java program is run (not compiled), similar to real-life events, where real-life events can contain information about the time, place, people, and plot of an event, which can be represented by an object, and Java uses an object-oriented approach to handling excep
The job interview is the Java background development, the face of the company is not many, mainly the United States group Reviews-NetEase-NetEase Youdao-Ctrip-Huawei-ZTE-HKUST News-Beacon Communications these companies. In the past, the simple record of their own interview when the problems encountered, as well as the
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
() = = Integer.class) { System.out.println ("Integer i is a integer"); } if (Integer.class.isInstance (i)) { System.out.println ("Integer i is a integer"); }The name can also be output directly from the GetClass () method's GetName ().3, about random number generation of class randompublic int Nextint (int n)The function of this method is to generate a random int value that is in the interval of [0,n], which is a random int value between 0 and N, containing 0 without n.4
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