java j2ee interview questions

Some days ago, I wrote an article in the blog Park, how to introduce my project experience in the interview, Harvest more than 2000 clicks, which undoubtedly inspired me to continue to share the enthusiasm, today I come to share another interview can even help everyone to reverse the skills, this article is from the Java Web Lightweight Development

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

English Original: Java Exception and Error interview Questions Answers In the Java Core Knowledge interview, you always encounter questions about handling exception and error. Exception processing is a very important aspect of

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

Logical Thinking interview questions-java backend interview-,-java backend(-1) Preface I recently participated in an interview and was very interested in the pen questions. I will retur

. JavaScript Common objects6, commonly used in JavaScript value assignment method, for radio button, check box, such as the value assignment method. (Baidu can, JavaScript common basis)7, jquery value Assignment Basic method.8. Get the value of the radio button, get the value of the check box, get the value of the drop-down list, go to the value of the check box, get the value of the radio button Group, text box, text field assignment.9, the Append of jquery and appendto difference.10, the CSS B

Java interview questions, java questions1. Can a ". java" source file contain multiple classes (not internal classes )? What are the restrictions?A: Yes, but there can only be one public class. If there is a public class, the file name must be the same as the class name.2. D

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

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

establishes a dependency between the beans.Simply put, beans are objects that are initialized, assembled, and managed by the spring IOC container.The process of getting the Bean object, first loading the configuration file with resource and starting the IOC container, and then getting the bean object through the Getbean method, you can call his method.Scope of Spring Bean:There is only one shared bean instance in the Singleton:spring IOC container, which is generally the Singleton scope.Prototy

10 classic Java interview questions and classic java questions 1. How does Java's HashMap work? HashMap is a key value for the data structure. Each key has a corresponding value. The key is to identify such a value. Based on the hashing principle, HashMap stores and obtain