一个Servlets问题?
//: c15:servlets:ServletsRule.java
// From 'Thinking in Java, 2nd ed.' by Bruce Eckel
// www.BruceEckel.com. See copyright notice in CopyRight.txt.
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
public class ServletsRule extends HttpServlet {
int i = 0; // Servlet "persistence"
public void service(HttpServletRequest req,
HttpServletResponse res) throws IOException {
res.setContentType("text/html");
PrintWriter out = res.getWriter();
out.print("<HEAD><TITLE>");
out.print("A server-side strategy");
out.print("</TITLE></HEAD><BODY>");
out.print("<h1>Servlets Rule! " + i++);
out.print("</h1></BODY>");
out.close();
}
} ///:~
访问多次后,这个I为什么不变?