jvm interview questions

From: http://blog.csdn.net/txgc1009/article/details/6700830 The purpose of this article is not to provide guidance for the job interview for C/C ++ programmers, but to analyze the connotation of the interview questions technically. Many interview questions seem simple, but

inherit it. Subclass overwrites the finalize () method to sort system resources or perform other cleanup tasks. The finalize () method is called before the Garbage Collector deletes an object. Second, can anonymous inner class (anonymous internal class) be extends (inherited) other classes, or implements (implemented) interface (Interface )? An anonymous internal class is an internal class without a name. It cannot be extends (inherited) other classes, but an internal class can be used as an in

finalize () method to sort system resources or perform other cleanup tasks. The finalize () method is called before the Garbage Collector deletes an object. Second, can anonymous inner class (anonymous internal class) be extends (inherited) other classes, or implements (implemented) interface (Interface )? An anonymous internal class is an internal class without a name. It cannot be extends (inherited) other classes, but an internal class can be used as an interface and implemented by another i

As last blog mentioned (soft interview questions-Latest), Some outsourcing company, like chinasoft, beyondsoft, vinceinfo, Hisoft, wicresoft, etc. all the process of interview is the same, if you pass the interview of these company, according to the condition of the project to decide whether you are recommended to Micr

Continuing with our interview series, we have provided 10 questions in this article. These questions or questions in future articles may not be asked during the interview. However, through these articles, we present an interactive learning platform, which will certainly be o

ArticleDirectory 17 questions about massive data processing and bit-Map Preface Part 1 and 15 interview questions on massive data processing Part 2: BTI-map for Massive Data Processing 17 questions about massive data processing and bit-Map Author: Xi

Answers to 16 typical 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

We are very grateful to all our readers for replying to our new Linux interview chapter. now we have started to learn about the interview questions and the chapters on the basic to intermediate Apache interview questions that we are paying attention to today. This will help

String exercises and interview questions (Part 2) and exercises (Part 2) Link 1:Explanation of string exercises and interview questions (Article 1) 6 questions: reply string (basic questions of the Competition) Enter a string t

Preparation is half done If you are not satisfied with your current position and are starting to find a new position in the new year, this article is your helper. Job interview is the most important process for you to face your boss in the future. You have to treat the interview as tough and responsive as a fencing tournament or a chess game. This was extracted from William J. Morin and James C. Cabrera's a

Sun Tzu said: "the soldiers, the state of the event, the place of death, the way of survival, can not be ignored ." In contemporary society, applying for a job is like fighting the enemy. The ratio of war preparation time to war time should be or even. Therefore, we have to go further. Recently, I interviewed hundreds of College Students and felt that they urgently needed to improve their mentality and skills in the interview, so that they could pass

PHP classic interview questions and php classic questions. PHP classic interview questions, php classic questions, this article is a more detailed analysis of the PHP classic interview

Collector deletes an object. 13. Can anonymous inner class (anonymous internal class) be extends (inherited) other classes, or implements (implemented) interface (Interface )? An anonymous internal class is an internal class without a name. It cannot be extends (inherited) other classes, but an internal class can be used as an interface and implemented by another internal class. 14. The difference between static nested class and inner class is that the more you say, the better (the more general

Java interview question Summary 2 (Continuous updates), java questions 1. How to format a date Answer:Date now = new Date (); SimpleDateFormat sdf = new SimpleDateFormat ("yyyy-MM-dd hh: mm: ss "); String formatNow = sdf. format (now ); The formatNow variable is the formatted date. 2. What are several implementation methods for multithreading? There are several synchronous methods. What are them? Answer: (

Sp. Net interview questions (To original address http://blog.sina.com.cn/s/blog_524c848901009e7b.html ~ Type = v5_one label = rela_nextarticle author Li Yang's blog http://blog.sina.com.cn/liiyang) 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 accesse

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

Comprehensive use of Singleton model and static loading (Youku interview questions), static modelI. original question 1/* 2 * running result 3*2 4*1 5 */6 public class BookTest {7 static BookTest book = new BookTest (); 8 static int; 9 static int B = 0; 10 11 private BookTest () {12 a ++; 13 B ++; 14} 15 16 public static void main (String [] args) {17 BookTest book = new BookTest (); 18 System. out. println

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 Cache System: Redis Http://blog.csdn.net/xia

security.Even so far, some people don't even know the basic semantics of SQL syntax.String sql = "SELECT * from Tb_name where name= '" +varname+ "' and passwd= '" +varpasswd+ "'";If we pass [' or ' 1 ' = ' 1] in as varpasswd. User name feel free to see what will become?SELECT * from tb_name = ' random ' and passwd = ' or ' 1 ' = ' 1 ';Because ' 1 ' = ' 1 ' is sure to be true, so you can pass any validation. What's more:Put [';d rop table tb_name;] Incoming in as VARPASSWD:SELECT * from tb_name

You must prepare the Python programmer interview questions in advance! (Answer and resolution), python programmer You must prepare for these questions before releasing "Python programmer interview". After the article, in response to the strong requirements of the majority of programmers and friends, xiaobian compiled a