java tricky interview questions

During the interview, the interviewer will ask the applicant, and the applicant's answer will become an important basis for the interviewer to consider whether to accept him. It is vital for candidates to understand the "tricky" behind these issues. This article sorts out some typical questions that often occur during interviews, and provides corresponding answer

projects.Three sides When I received a call on three sides, I was playing with a friend at KTV and almost hung up the call because the call showed that the call was from Guangxi and I thought it was a harassment call.It takes about half a minute on the three sides. The process is a little stressful. If you don't have a good answer, you will be passive in the last 15 minutes. How to Implement linked list using CI couldn't answer the question at all. I looked at other people's code later. It wa

I went to the interview for the first time today. I couldn't answer many questions. please advise me to go to the interview for the first time. I found many of them are different from textbooks. 3. What about hibernate? 8. Are you familiar with the configuration of the James server? How many docs commands do you remember? (Project) 11. how can I turn to PHP for

opportunities are not as many as I imagined, the instant interview process smoothly, and did not get an offer (too many candidates). But taking this opportunity, I face the 10 companies, and now I met the face of the question, and provide some interview skills for the upcoming interview comrades.OK, to enter the topic, please see the Android knowledge map.Interv

Read the originalTwo years ago, we released our first article on Node. JS interview FAQ and answer, the JavaScript and Node. JS Ecosystem has had a lot of updates and developments in the last two years, so it's time to update these interview questions and Answers.Disclaimer (important)It's never a good choice to evaluate an interviewer just by interviewing

During the interview, the interviewer will ask the applicant, and the applicant's answer will become an important basis for the interviewer to consider whether to accept him. It is vital for candidates to understand the "tricky" behind these issues. This article sorts out some typical questions that often occur during interviews, and provides corresponding answer

the main position. So how to review good technical points is necessary to find a good job (but also a large part of the luck component in it). For fresh students, because of the limited skills in school, so in the beginning of the interview after several companies, the feeling of shock is very normal, at this time must not lose heart, from each interview to sum up their own shortcomings, not to make up for

race condition (this which Are free of data race will not be translated. The best book on this is "concurrency practices in Java". 10 How will you use thread dump? How will you analyze thread dump? You can use Kill-3 in Unix, and thread dump will print logs, and you can use "Ctrl+break" in Windows. Very simple and professional thread interview questions, but i

, concurrent programming common design patterns, classic multithreading problems such as producer consumers, philosophers dining, A reader or a simple bounded buffer problem. Just knowing the basic concept of threading is far from enough, you must know how to deal with the concurrency problems such as deadlock, race condition, memory conflict and line Cheng. With these tips, you can easily handle multithreading and concurrent interviews. It's normal for many

problem. Just knowing the basic concept of threading is far from enough, you must know how to deal with the concurrency problems such as deadlock, race condition, memory conflict and line Cheng. With these tips, you can easily handle multithreading and concurrent interviews. It's normal for many Java programmers to go to the interview before the interview. Becau

considered as follows:1. During the run of the program, a layout will not change after inflate, unless it is restarted.Because viewstub can only be inflate once and then be empty, you cannot expect to use Viewstub to control the layout later. So when you need to show and hide a layout more than once at run time, Viewstub can't. You can only use the visibility of the view to control it.2. You want to control what is displayed and hidden is a layout file, not a view.Because the ID of a layout fil

During the interview, the interviewer will ask the applicant, and the applicant's answer will become an important basis for the interviewer to consider whether to accept him. It is vital for candidates to understand the "tricky" behind these issues. Some typical problems frequently encountered during the tests in this article are sorted out, and corresponding answers and reference answers are provided. Read

shock is very normal, at this time must not lose heart, from each interview to sum up their own shortcomings, not to make up for their knowledge, then you will find that the job search is not so difficult, Ask to ask about those things. I do not specifically say which company's interview, that is not good for the company. First of all, summarize some of the most important points of knowledge; Then, analyze

, readers, or simple bounded buffer issues. Just knowing the basic concept of threading is far from enough, you must know how to deal with the concurrency problems such as deadlock, race condition, memory conflict and line Cheng. With these tips, you can easily handle multithreading and concurrent interviews. It's normal for many Java programmers to go to the interview before the

limited.Heap area: Also known as dynamic memory allocation, usually refers to the program when it runs directly new memory, that is, an instance of the object. The Java garbage collector will be responsible for recycling this part if it is not in use.2. How to manage memory in Java　　　　　　　　　　3. Memory leaks in JavaA memory leak refers to a useless object (an object that is no longer being used) that keeps m

is read, and the way in which MySQL is synchronized from the slave Database 52. MySQL storage engine 53. Default isolation level for MySQL and other isolation levels 54. Reverse a linked list (use three pointers, but send only one at a time) 55. Implementation Principles of Spring AOP. 56. When will Memory leakage occur? What exceptions will Memory leakage cause? 57. Have you used autowire annotation? 58. Spring bean Injection Method 59. execution sequence of various SQL statements, such as sel

Last week wrote an article, database aspects of interview skills, how to display their ability from the table, courtesy of the administrator to lift, put in the home, but also thanks to you love, two days in the harvest of nearly 770 clicks, also once entered the 48-hour hot list.In order to thank the Administrator and everyone for their support, and then based on my interview experience, an original articl

windows and activity?11. One activity opens another activity and another activity? What happened when I went back?12. How are constants defined in Java?13. Can the constant final string STR = "AB" be changed to "Abd"? Why?14. What is the role of stringbuffer?15. Write a method to exchange the values of two variables?16. Explain the usage of the task17. Do you have any questions?18. How much do you know abo

environment. The Web container is more of a deal with HTTP-based requests. And the EJB container is not. It is more about dealing with databases and other services. But they are all interacting with the outside world to reduce the burden on the application. For example, the servlet does not care about the details of HTTP, directly referencing the environment variable session,request,response, EJB does not care about the database connection speed, various transaction control, directly by the con

Old brother recruited an interview and asked me if I would like to attend the interview. Of course I would like to attend the interview and have a rare learning opportunity. To sum up, the old brother pays attention to the following aspects during the interview: first, the character is good or bad, people must be stead