entry level java 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

Linked list is often in the interview, this article refers to some other articles, together with the small series of their own summary, the basic algorithm has been tested and optimized.Algorithm Daquan (1) There are also some list problems in the single linked list, which will be sorted out in the future.* REFS:* http://blog.csdn.net/fightforyourdream/article/details/16353519* http://blog.csdn.net/luckyxiaoqiang/article/details/7393134 easy to handle

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

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

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

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

between InnoDB's primary key index and other indexes?# What are some good books to recommend?# # Book List> [MySQL technology insider InnoDB Storage engine]. Kang> [High-Performance MySQL (2nd edition) Chinese version]. Schwartz= = Other = =# What about data structures and algorithms? Do you think it's useful? Where is the good book to recommend?# In addition to PHP, which language is your strengths, can be used in production?# Do you have any interesting projects in your spare parts?# Do you h

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

duplicated. A map is a collection of key-value pairs and does not allow key duplication. 5, the PreparedStatement in JDBC compared to the benefits of statement Relatively safe, can prevent SQL injection; Have precompiled function, the same operation batch data efficiency is high 6. What are the collection classes you know? Main methods. The most commonly used collection classes: List and Map. The specific implementations of the list include ArrayList and vectors, which are variable size lists t

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

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

1. Introduce STL and explain in detail how STL implements vector. 4. What are the differences between pointer and reference? If it is safer to pass a reference than to pass a pointer, why? Isn't it true if I use a constant pointer? 5. There are several ways to pass parameters. What method is used to implement multi-state parameter transfer, and what is the cause if no method is used; 6. Use a project to describe how to apply the design pattern. 7. Introduce your understanding of the design m

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 *

: 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

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

Don't make a generalities. Reply content: Update: Finally added the basic problem Analysis Description After more than two years, update the new face question. Basic Questions Scene: You have entered a new company. On the first day of work, the receptionist arranged a seat for you and then pulled over a new computer that was not unpacked. After you have connected your computer, press the power .... Well, this is really a new computer, inside ac

Part 1: Mutual introduction and understanding 1. Please introduce yourself? Including work experience and project experience? 2. Can you talk about a recent project? What are your responsibilities and responsibilities? Part 2: I. ASP. NET technical question selection. You can select three or five. 1. Briefly introduce the. NET compilation process. 2. Differences between ASP. NET and ASP 3. About ASP. NET page Lifecycle 4. ASP. NETProgram. From the perspective of a page request

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.What is a

Java's current heat has declined, but there are still a lot of people who learn java. Java's post is also a lot of infiltration. So, those classic Java knowledge points, you can see the problem can say 123? Come and have a look.The difference between 1.JDK and JRE What is the difference between 2.final, finally, and finalize?3. The difference between threads and processesHow does the HashMap in 4.

Interview Questions and answers for 40 Java sets and 40 Java Sets Provided by Beijing shangxuetang 1. JavaWhat is a collection framework? What are the advantages of a collection framework? Each programming language has a set. The original Java version contains several collec