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
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
adapter pattern?
Ø database How are you usually optimized, what other tools are used to optimize no, how to use the
Ø Now there is a lot of tables to correlate the query SQL, the child table data is very much, then you only from the SQL point of view of the SQL statement optimization, do not need to consider the index, predicate
Ø you don't have a Java project, do you?
Ø your major is to control the direction, why do the current direction
O you have
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.In additi
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.In additi
when referencing the variable, and cannot determine which parent class's variable should be used(2) If you have the same method in more than one parent class that inherits from a subclass, and there are no overrides for the method in the subclass, then calling the method will produce ambiguity and cannot determine which parent class should be called.Because of the above fatal disadvantage, a class in Java is forbidden to inherit multiple parent class
I used to have only one Java interview question topic. Now I have divided into the following topics:
Java interview questions are of course the focus, all of which are Java programming and directly related to the design.
Intelli
Java and C common technical interview questions 2015 (Continuous updates ...), 2015 updating
1. Differences between overwrite and overload
Overload is an Overload. It uses the same name as an existing member to declare attributes or methods, but the parameter list is different from that of the original member. Override is mainly used for method rewriting between
Java Collection related interview questions and answers Interview questions1.JavaWhat is a collection frame? What are some of the advantages of a collection framework? There are collections in each programming language, and the original Java version contains several collect
Transferred from: http://icyfenix.iteye.com/blog/715301The background of this post is tonight to see JE on this posting: http://www.iteye.com/topic/715256, the words written on impulse, if you can, can have other interviewers to analyze their interview questions asked, it may be a very meaningful thing. In the company as a technical interviewer for a few years, from graduating students to work more than 10
dispatch and dispatch, and a smaller unit that can run independently than a process. Thread's StrokeThe sub-scale is less than the process, which makes the multi-threaded procedure highly concurrency, and the process typically has independent memory units at execution time, while the threads can share memory. Programming with multithreading often leads to better performance and user experience,But multithreaded programs are unfriendly to other programs because they may consume more CPU resource
JAVA engineer interview questionsZookeeper
I went to a company for an interview today. I felt dizzy with my brains. I didn't make a few algorithm questions. The questions were relatively simple. I should have prepared myself, but the status was not good, after the
In the Java Pure Grammar interview, mainly encountered some of the basic interview questions, summarized here!First, to talk about final, finally, finalize the difference. final-modifier (keyword) If a class is declared final, it means that it can no longer derive a new subclass and cannot be inherited as a parent c
Java interview questions
Basic knowledge:1. simple principles and applications of the Exception Handling Mechanism in C ++ or Java.
When a Java program violates the Java Semantic Rules, the Ja
Android development interview: 4. Common basic Java questions, androidjava
Follow finddreams blog: http://blog.csdn.net/finddreams/article/details/44403041Because Android is programmed using the Java language, it is necessary for us to fully master the Java foundation for A
client. The expression is defined between the two tags, 9. What does the implied object mean? What are the hidden objects?JSP implied objects are some Java objects in the page, and the JSP container allows these Java objects to be used by developers. Developers can use them directly without a clear statement. JSP implicit objects are also called predefined variables. The following lists the implied objects
Java Multithreaded interview questions
1. What is the difference between processes and threads?
A process is a stand-alone (self contained) operating environment that can be viewed as a program or an application. A thread is a task that is performed in a process. The Java Runtime environment is a single process that
First, let's talk about the differences between final, finally, and finalize. Second, can anonymous inner class (anonymous internal class) be extends (inherited) other classes, or implements (implemented) interface (Interface )? Third, the difference between static nested class and inner class is that the more you say, the better (the more general the interview questions are ). Fourth, the difference bet
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