data entry interview questions and answers

the Java 5 annotation.Spring's MVC Framework64. What is the Spring MVC framework?Spring provides a full-featured MVC framework for building Web applications. The spring framework can be easily fused with other MVC frameworks (such as struts), which uses the inversion of control (IOC) to separate the controller logic from the business object. It also allows the request parameters to be bound declaratively on the business object.65.DispatcherServletThe Spring MVC Framework is designed around Disp

Understanding and practicing answering a few difficult questions before the interview will help you prepare for answering other questions. There are many questions, but some are few, but they are the basis for answering other questions. 1. Why not talk about yourself? Analys

Understanding and practicing answering a few difficult questions before the interview will help you prepare for answering other questions. There are many questions, but some are few, but they are the basis for answering other questions. 1. Why not talk about yourself? Anal

, the next () method of the iterator throws a Concurrentmodificationexception exception.Concurrent containers support concurrent traversal and concurrent updates.The main classes are Concurrenthashmap, copyonwritearraylist and Copyonwritearrayset, read this article to understand How to avoid concurrentmodificationexception.8. What is the Executors class?Executors provides some tool methods for the Executor,executorservice,scheduledexecutorservice,threadfactory and callable classes.Executors can

Linux is vast, so that people can always submit different content each time. Our work of The-Tecmint-Team is to provide some unique content for our readers, which is not only useful for their career, but also increases their knowledge. Here, we will try this label: interview Linux is vast, so that people can always submit different content each time. Our "The-Tecmint-Team" job is to provide some unique content for our readers, which is not only useful

keep the original base implementation. We can just inherit from it and rewrite the methods we need. Read the Java futuretask example to learn how to use it.7. What is the implementation of concurrent containers?Java collection classes are fast failures, which means that when a collection is changed and a thread iterates through the collection using Iterators, the next () method of the iterator throws a Concurrentmodificationexception exception.Concurrent containers support concurrent traversal

solves this problem for us. After the online pool submits the callable task, a future object is returned, using which we can know the status of the callable task and get the result of the execution callable returned. The future provides a get () method so that we can wait for callable to end and get its execution results.Read this article to learn more about the callable,future example. 6. What is Futuretask?Futuretask is a fundamental implementation of the future, and we can use it with execut

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 answers