java software engineer interview questions

("sessioncreated ('" + event.getsession (). GetId () + "'), currently has" +users+ "users"); con Text.setattribute ("Users", new Integer (users)); } public void Sessiondestroyed (Httpsessionevent event) { users--; Logout ("sessiondestroyed" + event.getsession (). GetId () + "'), currently has" +users+ "user"); context.setattribute ("Users", new Integer (users);}/ /httpsessionlistener//servletcontextlistener public void contextdestroyed ( Servletcontextevent SCE) { logout ("contextdestroyed ()

Must know: Software enterprises require basic software engineers with six basic qualities, namely good coding ability, self-conscious normative consciousness and team spirit, the ability to understand and use database, strong English reading and writing ability, with the concept of software engineering and curiosity and enterprise.1. Good coding ability. One of t

must know: Software enterprises require basic software engineers with six basic qualities, namely good coding ability, self-conscious normative consciousness and team spirit, the ability to understand and use database, strong English reading and writing ability, with the concept of software engineering and curiosity and enterprise. 1. Good coding ability. one of

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.

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

A friend asked me: education and ability which is important? I personally feel that the ability is greater than education, no ability to come to the degree, education is only a proof of ability. To this end in the capacity of the Java software engineer to talk about the necessary capabilities. As a qualified Java

Hiring smart software developers is not easy.If you're not careful you might end up hiring a bunch of moronic Mandrills, like I did last year. and you don't want that. trust me. stand-up meetings are very hard to do in a tree. The key is to askChallenging questionsThat enable you to distinguish the smart software developers from the moronic Mandrills. And to help you with that, I decided to publish my priva

Today's society can say that Java applications can be said to be ubiquitous.Small to desktop applications and Java small applications, large-scale network database and other applications, PC embedded mobile Platform Applet architecture Large-scale enterprise-class solution, Java is everywhere, even the United States large space projects, also used