Servlet容器的基本思想是在服务器端使用java动态生成web页面。所以,本质上Servlet容器是server的一部分,是它和Servlet进行交互的。 4 什么是Servlet Servlet是javax.servlet包定义的一个接口。它生命了一个Servlet生命周期中的三个基本的方法,init()、service()和destroy()。这三个基本方法由每个Servlet所实现,并且在特...
What Is a Servlet?A servlet is a Java programming language class that is used to extend the capabilities of servers that host applications accessed by means of a request-response programming model. Although servlets can respond to any type of request, they are commonly used to extend the ...
第二步,web服务器将请求转发给Servlet容器; 第三步,如果对应的Servlet还没有被加载,那么该Servlet将会被动态加载进Servlet容器的地址空间; 第四步,Servlet容器触发Servlet的init()方法,该方法只会在加载的时候触发一次; 第五步,Servlet容器触发Servlet的service()方法来处理http请求,从请求中读取数据并且生成响应。这个...
Questions on Servlets.===1) What is servlet?Ans: Servlets are modules that extend request/response-oriented servers, such asjava-enabled web servers. For example, a servlet might be responsible for takingdata in an HTML order-entryform and applying the business logic used to update acompany's...
It is an enterprise platform which is mainly used to develop web and enterprise applications. It is built on the top of the Java SE platform. It includes topics like Servlet, JSP, Web Services, EJB, JPA, etc. 它是一个企业平台,主要用于开发Web和企业应用。它是建立在Java SE平台之上的。它包...
and runtime environment that is used for developing and running large-scale, multi-tiered, reliable, scalable and secure network applications. All the java web and enterprise applications are developed using this platform. Technologies likeservlet, jsp, struts, JPA, EJBetc are part of this ...
public ServletContext getServletContext(); 这是一个简便的途径,它将会调用ServletConfig对象的同名的方法。 6、getServletInfo public String getServletInfo(); 返回一个反映Servlet版本的String。 7、init public void init() throws ServletException;
2. What is a Servlet Container? As we see here, the user/client can only request static webpage from the server. This is not good enough, if the user wants to read the web page based on his input. The basic idea of Servlet container is using Java to dynamically generate the web pag...
requests, manage session information, and generate dynamic web content. this package is commonly used in building java web applications using frameworks like servlet and javaserver faces (jsf). what is javax.swing used for? javax.swing is a package in java that provides classes for building ...
What Is javaws.jar in JRE (Java Runtime Environment) 8? ✍: FYIcenter A javaws.jar in JRE (Java Runtime Environment) 8 contains the JNLP (Java Network Launching Protocol) API and its reference implementation. You can download javaws.jar for JDK 1.8.0_341 by clicking the download butt...