java web developer interview questions

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

The author graduated from and has been engaged in software development for the B/S architecture of javaee and SSH frameworks since graduation. He has more than three years of relevant work experience and has stayed in two companies. I have recently resigned to my job and interviewed n companies. I hope to share my interview experience with you. First, prepare for the interview.Preparation should include several aspects: 1. resume. The resume cannot be

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

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

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 developer interview points ZZ Java developer interview highlights I. Basic Java knowledge 1. What are the differences between the basic data types in

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

requirements graphically in various phases of software development; IBMRational Rose is one of the many UML modeling tools in the requirements phase, often used in drawing examples, class diagrams, sequential graphs. 15. Describe the tool class that you exported, and indicate the maximum amount of data POI (combining cell objects and background color applications) Finally here also found some of Baidu Library interview

Java interview questions, java questions1/** 2 * write a function. It accepts an integer (assuming length) and returns an array. The length of the array is length, 3 * the content in the array is a random value ranging from 0 to (length-1) and cannot be repeated. 4*5 * If the length is 5, the array may be [, 4]. 6*7 *

Java interview questions, java questions 1. storage structures used by stacks and queues Chain storage and sequential Storage 2. understanding of time complexity and space complexityTime Complexity: Number of statement executions in an algorithm, which is T (n). When n ch

: The above can solve the POST request garbled problem. There are two garbled methods for GET request Chinese parameter:Modify the Tomcat profile add code to match the project code as follows: Another way to re-encode parameters: StringuserName =newString (Request.getparamter ("UserName"). GetBytes ("Iso8859-1"), "Utf-8") Iso8859-1 is the tomcat default encoding, and the Tomcat encoded content needs to be encoded by utf-8What is

All kinds of interview questions required for Web Front-end job-hopping after years, and for web Front-end job-hopping Lucky and glorious, the boss arranged a task-"sort out front-end interview questions ". Years ago it was really

session; Cookies are the browsers that write the user's data to the user. 3. What are the built-in objects for JSP? What are the roles? JSP has the following 9 basic built-in objects (RRPPASOCE): Request: Client requests, this request contains parameters from the Get/post requestResponse: Web page Returns the response of the clientPageContext: The properties of a Web page are managed here, providing acces