counter.java

来自「java程序设计入门教程 书上的源代码 学习JAVA非常好的入门教材代码推荐给」· Java 代码 · 共 17 行

/***************** Counter.java *****************/
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class Counter extends HttpServlet
  {
  int count = 0;
  public void doGet(HttpServletRequest req,
                    HttpServletResponse res)
  throws ServletException, IOException
    {
    res.setContentType("text/plain");
    ServletOutputStream sos=res.getOutputStream();
    PrintWriter pw=new PrintWriter(sos,true);
    int localCount;
    synchronized(this) { localCount = ++count; }
    pw.println("セ祘Α