Näide

import java.io.*;

public class Erind {

   public static void main (String[] args) {
      int n = 0;
      int m = 0;
      while (true) {
         try {
            BufferedReader sisse = new BufferedReader
                      (new InputStreamReader (System.in));
            System.out.println ("V2ljumiseks vajutage ctrl-C");
            System.out.print ("Laste arv: ");
            String s = sisse.readLine();
            n = Integer.parseInt (s);
            if (n<0)
               throw new IllegalArgumentException (String.valueOf (n));
            System.out.print ("6unte arv: ");
            s = sisse.readLine();
            m = Integer.parseInt (s);
            if (m<0)
               throw new IllegalArgumentException (String.valueOf (m));
            System.out.println ("Igale lapsele " 
                      + String.valueOf (m/n) + " 6una ja "
                      + String.valueOf (m%n) + " j22b yle");
         }
         catch (ArithmeticException e) {
            System.out.println ("Aritmeetikakatkestus: " + e.toString());
         }
         catch (Exception muu) {
            System.out.println ("Probleem: " + muu.toString());
         }
         finally { // see t2idetakse igal juhul
            System.out.println ("n = " + n + "  m = " + m);
         }
      } // while 
   } // main

} // Erind




/** A small example about catching NumberFormatException. 
 * @author Jaanus Poial
 * @version 0.2
 */
public class ExceptionUsage {

   /** Main method gets an integer parameter from the command line.
    * If the parameter is not a number or if it is not in between 1 and 99
    * an IllegalArgumentException is thrown.
    */
   public static void main (String[] args) {
      int n = 0;
      try {
         n = Integer.parseInt (args[0]); // throws NumberFormatException
      } catch (Exception e) {
         // n remains zero and a new exception is thrown
      }
      if (n<1 || n>99)
         throw new IllegalArgumentException
            ("\nCommand line parameter has to be a number in between 1 and 99 ");
      System.out.println("Parameter n = " + String.valueOf (n));
   } // main

} // ExceptionUsage
 

Jaanus Pöial