advanced java interview questions

Java learning path-simple basic interview questions, java path-Questions 1. What are the features of object orientation? A: The object-oriented features mainly include the following: 1) Abstraction: Abstraction refers to the process of summarizing the common features of a cl

execution.Surround notification is one of the most common types of notifications. Most interception-based AOP frameworks, such as Nanning and JBOSS4, provide only surround notifications.The concept of pointcut (pointcut) and connection point matching is the key to AOP, which makes AOP different from other old technologies that simply provide interception functionality.The pointcut enables the location notification (advice) to be independent of the OO hierarchy. For example, a around notificatio

I saw some advanced php interview questions on the internet ...... I got some answers ...... It may not be comprehensive. Leave it for future use. I. Basic knowledge point 1.1The meaning of several status codes in the HTTP protocol: 503500401403404200301302 ...... 200: the request is successful, and the requested data is returned accordingly. 301: Permanent redir

Java interview questions, java questionsCommon Java interview questions: What if the main method is declared as private? Answer: It can be compiled normally, but the system prompts "the

Java Exception Handling interview questions, java exception handling questions 1. What are the differences between error and exception? An error indicates a system-level error. It is an internal error in the java Runtime Environme

Follow Finddreams Blog: http://blog.csdn.net/finddreams/article/details/44301359In the previous article we have learned some basic questions about the Android written test, "Android development interview by--2." Common Android Basic pen questionsBut as an experienced developer, just know the basic problem is not enough, your resume said there are more than two years of work experience, the interviewer will

databaseHibernate's first-level cache is provided by the session, so it only exists in the session's lifetime, when the program calls save (), update (), Saveorupdate (), and calls the query interface List,filter, Iterate, if there are no corresponding objects in the session cache, hibernate will add the object to the first level cache and the cache will disappear when the session is closed.Hibernate's first-level cache is built into the session, cannot be uninstalled, and can not be configured

Java exception architecture diagram and several interview questions, java architecture diagram questions 1. java exception Architecture The pink ones are checked exceptions, which must be captured by the try {} catch Block or dec

original types, and to use the standard placeholders that are used in the JDK.7. Write a generic program to implement LRU caching?This is the equivalent of an exercise for people who like Java programming. To give you a hint, linkedhashmap can be used to implement a fixed-size LRU cache, which moves the oldest key-value pairs out of the cache when the LRU cache is full. Linkedhashmap provides a method called Removeeldestentry (), which is used by the

IOS development Advanced Interview Questions-Role of dealloc under ARC,-arcdealloc In the MRC era, we need to do a lot in dealloc, such as releasing objects; Now we have entered the ARC era. The system has helped us with the release of common objects; Can I rest assured? What should we do under ARC? Opinion: Under ARC, the system can help us release this object

solve competition?This is an issue that appears in the advanced stages of a multithreaded interview. Most interviewers will ask about the competitive conditions you've met recently and how you've solved them. Some time they will write simple code, and then let you detect the code's competitive conditions. You can refer to the article I published earlier about the Java