import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Random;
import java.util.Set;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class doublecoloueballservlet extends HttpServlet
{
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
Set<Integer> set = new HashSet<Integer>();
Random random = new Random();
while(set.size()!=6)
{
int randomvalue = random.nextInt(33)+1;
set.add(randomvalue);
}
int randomvalue = random.nextInt(16)+1;
String result = "read ball:";
for(Integer i : set)
{
result+= i + "";
}
result+="<br>blue ball:"+randomvalue;
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<html><head><title>result</title></head>");
out.println("<body>" +result+"</body></html>");
out.flush();
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
}
}
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