how to prepare for java interview

of STRUTS1 is mainly implemented by Actionform, which is similar to JavaBean, which contains several readable and writable properties for storing data and data validation. In general, an action is equipped with a actionform.Struts1 views are primarily implemented by JSPs. The data that the JSP displays can come from actionform, or it can be the data that the action holds in scope (request,session,application). Of course, using struts's own labels can be a great simplification.After using STRUTS

of STRUTS1 is mainly implemented by Actionform, which is similar to JavaBean, which contains several readable and writable properties for storing data and data validation. In general, an action is equipped with a actionform.Struts1 views are primarily implemented by JSPs. The data that the JSP displays can come from actionform, or it can be the data that the action holds in scope (request,session,application). Of course, using struts's own labels can be a great simplification.After using STRUTS

is then invoked according to the result of the processing to display the processing structure.The process of MVC: first the controller receives the user's request, invokes the corresponding model for business processing, and returns the data to the controller. The controller invokes the corresponding view to display the processing structure. and renders it to the user through a view. If you want to correspond to MVC in a project, the Jsp,controler in the view corresponding project corresponds t

1 , what are the aspects of object-oriented features ?　　The object-oriented programming language has 4 main features: encapsulation, inheritance, abstraction, polymorphism, etc.Details:http://www.cnblogs.com/guweiwei/p/6599289.html2 , access modifiers public,private,protected, and what is the difference between not writing (the default)? 　　Defaults to default when members of a class do not write access adornments. The default is equivalent to exposing (public) to other classes in the same packag

: 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 Knowledge point of database interview 1. Primary key Super Key candidate key foreign key Primary key: A combination of data columns or attributes that are uniquely and fully identified in a database table for storing data objects. A data column can have only one primary key, and the value of a primary key cannot be missing, that is, it cannot be

Reproduced:In the early days have been told how to analyze themselves, to own an accurate positioning, choose a suitable direction of job search! and combined with their own actual personal situation to write a highly targeted personal resume! Personal resume is an individual advertisement! A good resume can be more favored by employing units! A good resume will give you a chance to get an interview! We also listed the knowledge points of the

began to seize the free time to learn. The process of learning is as follows:1. Look up questionsThe first step of normal people will certainly look at the interview questions, I am no exception, in the process of watching, I found some articles written well, to my help is not small worth recommending, as follows:Java Surface test Complete (on) a lot of basic things, suggested first look.Summary of the questions of

I think a lot of junior programmers want to know how the company is interviewing, below I share my interview experience to everyone, do not like to spray! The bad place or where needs to be modified and I hope we can help make up Yesterday posted resume today received an interview notice, let me go to the interview tomorrow, I said in the afternoon to

began to seize the free time to learn. The process of learning is as follows:1. Look up questionsThe first step of normal people will certainly look at the interview questions, I am no exception, in the process of watching, I found some articles written well, to my help is not small worth recommending, as follows:Java Surface test Complete (on) a lot of basic things, suggested first look.Summary of the questions of

) development has no longer use the technology.3, what is cross-platform? What is the principle? JvmThe so-called cross-platform, refers to the Java language program written, once compiled, can be run on multiple system platforms.Implementation principle: Java program is running on the system platform through the Java Virtual machine, as long as the system can in

multithreading problems include producer consumers, philosophers, readers, and simple bounded buffer. Knowing the basic concept of a thread is far from enough. You must know how to handle deadlocks, race conditions, memory conflicts, thread security, and other concurrency problems. With these skills, you can easily deal with multithreading and concurrent interviews.Many Java programmers will go to the interview