Exercice 02
Énoncé
- Vous pouvez visualiser l'énoncé de l'exercice
Solution
import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; /** * Servlet implementation class NombrePremier */ @WebServlet("/NombrePremier") public class NombrePremier extends HttpServlet { private static final long serialVersionUID = 1L; boolean isPrimes = true; int compteur = 0; /** * @see HttpServlet#HttpServlet() */ public NombrePremier() { super(); // TODO Auto-generated constructor stub } /** * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) */ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub response.getWriter().append("Served at: ").append(request.getContextPath()); response.setContentType("text/html") ; PrintWriter out = response.getWriter() ; out.println("<html>") ; out.println("<head>") ; out.println("<title>NombrePremier</title>") ; out.println("</head>") ; out.println("<body>") ; out.println("<h1>Bienvenue au cours de programmation web avec java</h1>") ; for(int i =2; i < 100; i++){ isPrimes = true; for(int j = 2; (j <= ((i-1)/2)+1) && isPrimes; j++){ if(i%j == 0){ isPrimes = false; out.println("<font color='green'>"+i+" n'est pas un nombre premier</font></br>"); } } if(i == 1){ isPrimes = false; } if(isPrimes){ out.println("<font color='red'>" +i+" est nombre premier</font></br>"); compteur++; } } out.println("Il y a "+compteur+" nombre premiers entre 1 et "+100); out.println("</body>") ; out.println("</html>") ; } /** * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) */ protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub doGet(request, response); } }