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  1. package pack;
  2.  
  3. import javax.servlet.ServletException;
  4. import javax.servlet.http.HttpServlet;
  5. import javax.servlet.http.HttpServletRequest;
  6. import javax.servlet.http.HttpServletResponse;
  7. import javax.servlet.http.HttpSession;
  8. import java.io.IOException;
  9. import java.io.PrintWriter;
  10.  
  11. public class servlet extends HttpServlet {
  12.     @Override
  13.     protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
  14.         toFind(req,resp);
  15.  
  16.     }
  17.     public void toFind(HttpServletRequest req, HttpServletResponse resp)throws ServletException, IOException
  18.     {
  19.         HttpSession session = req.getSession();
  20.         Task task = (Task) session.getAttribute("task");
  21.         String str1=task.getA();
  22.         String str2=task.getB();
  23.  
  24.  
  25.         int k=0;
  26.         int w=0;
  27.         int i=0;
  28.         while(i > str1.length())
  29.         {
  30.             w=str1.indexOf(str2, i);
  31.             if(w != -1)
  32.                 k++;
  33.             else
  34.                 break;
  35.  
  36.         }
  37.         if (task != null) {
  38.             task.setResult(k);
  39.         }
  40.         session.setAttribute("task", task);
  41.         req.getRequestDispatcher("/result.jsp").forward(req, resp);
  42.     }
  43.  
  44.  
  45. }
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