java inheritance interview questions

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 restricti

first line of the code snippet in this case.Question 5: call () and apply () Fix the previous issue and print Aurelio De Rosa from the last console. log.Answer You can use the call () or apply () function to force the context of the function. If you do not know the difference between call () and apply (), I recommend that you read the article function. call and function. apply. Is there a difference between them? . In the following code, I will use call (), but in this case, apply () can also g

first line of the code snippet in this case.Question 5: call () and apply () Fix the previous issue and print Aurelio De Rosa from the last console. log.Answer You can use the call () or apply () function to force the context of the function. If you do not know the difference between call () and apply (), I recommend that you read the article function. call and function. apply. Is there a difference between them? . In the following code, I will use call (), but in this case, apply () can also g

C # Summary of related interview questions, Recently, a friend engaged in NET development left the company and asked me to ask him some questions about NET. He was prepared to meet the new challenges. I quickly found various previous collections and questions. Today I will sort out basic NET knowledge points. 1. Three

C/C ++ written examination, Interview Questions Summary1. Find the return value of the following function (Microsoft) Int func (X){Int countx = 0;While (X){Countx ++;X = x (x-1 );}Return countx;} Assume x = 9999. Answer: 8 Train of Thought: Convert X to a binary system and check the number of contained 1. 2. What is "reference "? What should I pay attention to when declaring and using "reference? A: A refe

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

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

constructor cannot be a virtual function. To construct an object, you must know exactly what to construct. Otherwise, you cannot construct an object.The Destructor can be pure virtual functions.10. Problems Related to the copy constructor, such as deep copy, shallow copy, and temporary objects.Deep copy means that the resources and pointers are copied, while the light copy only copies the pointers and does not copy the resources.In this way, the two pointers direct to the same resource, causing

current variable in the register (working memory) is indeterminate and needs to be read from main memory; Synchronized is the lock of the current variable, and other threads are blocked only if the variable is accessible to the front-thread.(3) volatile does not cause thread blocking, and synchronized can cause thread blocking.(4)volatile can only synchronize the value of a variable between the thread memory and the main memory, while synchronized synchronizes the values of all variables betwee

-9fa4ae06b28a.html Part 2: Spring, hibernate, and struts interview questions How does Hibernate work and why?Principle:1. Read and parse the configuration file2. Read and parse the ing information and create SessionFactory3. Open Sesssion4. Create transaction Transation5. Persistent operations6. Submit the transaction7. Disable Session8. Disable SesstionFactory Why:1. The code for JDBC database access is en

constructor cannot be a virtual function. To construct an object, you must know exactly what to construct. Otherwise, you cannot construct an object.The Destructor can be pure virtual functions.10. Problems Related to the copy constructor, such as deep copy, shallow copy, and temporary objects.Deep copy means that the resources and pointers are copied, while the light copy only copies the pointers and does not copy the resources.In this way, the two pointers direct to the same resource, causing

?A constructor cannot be a virtual function. To construct an object, you must know exactly what to construct. Otherwise, you cannot construct an object.The Destructor can be pure virtual functions. 10. Problems Related to the copy constructor, such as deep copy, shortest copy, and temporary objects.Deep copy means that the resources and pointers are copied, while the light copy only copies the pointers and does not copy the resources.In this way, the two pointers direct to the same resource, c

virtual?A constructor cannot be a virtual function. To construct an object, you must know exactly what to construct. Otherwise, you cannot construct an object.The Destructor can be pure virtual functions. 10. Problems Related to the copy constructor, such as deep copy, shortest copy, and temporary objects.Deep copy means that the resources and pointers are copied, while the light copy only copies the pointers and does not copy the resources.In this way, the two pointers direct to the same resou

Spring, hibernate, Struts interview questions from: http://shwenwen.itpub.net/post/34911/486887 How does hibernate work and why?Principle:1. Read and parse the configuration file2. Read and parse the ing information and create sessionfactory3. Open sesssion4. Create transaction Transation5. Persistent operations6. Submit the transaction7. Disable session8. Disable sesstionfactory Why:1. For JDBC access

Java advanced interview question list, java advanced interviewBasic concepts and core design ideas of Object-Oriented Programming This topic explains the polymorphism (polymorphism), encapsulation, cohesion, and coupling ). What is the difference between Inheritance and Aggregation. How do you understand Clean Code

The demand for JavaScript programmers in the IT world is huge. If you are very proficient in JavaScript, you will have a lot of opportunities to change jobs and raise salaries. But before a company hires you, you have to pass the interview and prove your skills. In this article, I'll show you 5 JavaScript-related questions that will give you a comprehensive test of the interviewer's JavaScript skills and th

The PHP interview questions compiled by NLP are correct. it should not be a problem to find 78k. someone always asks me for these questions and asks me to answer them... now let's get it done. if you can do it well, we suggest you give the salary between 6 and 9 ...? Should the level be in progress? This is something I have tried to recruit people around 12 years

is dynamically bound, and for efficiency reasons, the default parameter is statically bound, so there is a problem with the above approach.If you can use static binding and dynamic binding to explain the problem, then you go to a step, I have never used Ah, do not know the problem. There are articles that have not suffered the C + + programmer is not a good programmer, can not tame C + + This monster, this is not virtual!?6 About OperatorsOverloaded problems, operators, and functions 7 about th

property name needs to be quoted , like the following name? {' name ': ' Csdn ', ' Age ': 11} 9. About the JVM There is a WAN (Lai) interview technique, you can ask the job seeker, what is the idea behind it, do you understand his principles, why do you do this, if you write yourself, how long do you want to do a basic version out? What are the GC, What are the differences in each JDK version, which algorithms are better, what is appropriate, wh