package cz.muni.fi.tomp;

import java.util.*;

  /** 
   * Toto je dokumentacni komentar tridy ExceptionsDemo.
   *
   *
   */
public class ExceptionsDemo {
    
    public static void main(String[] args) {
      
      try {
        
        System.out.println(vydel(1, 0));
        
      } catch(Exception e) {
        
        e.printStackTrace(); 
      }
    }
  
  /** 
   * Toto je dokumentacni komentar metody vydel.
   *
   * @param i delenec
   * @param j delitel
   *
   * @return podil i/j
   *
   * @exception Exception jestlize delitel je nula.
   */
    public static int vydel(int i, int j) {
      
      if(j == 0) {
          throw new NelzeDelitNulouException("nelze delit "+i+" nulou.");  
      }
    
      return i / j;
      
    }
  
    public static void metoda() throws Exception {
      
      String s = "ahoj";
      
      try {
        
        throw new Exception();
/*        
        int[] pole = new int[3];
        
        System.out.println(pole[3]);
      
        System.out.println(s.substring(5));

        System.out.println("sem se nedostane");
*/      
      } catch(StringIndexOutOfBoundsException e) {

        System.out.println("vznikla vyjimka");
        
      } catch(Throwable e) {

        System.out.println("vznikl objekt Throwable");
        
      } finally {
        
        System.out.println("jsme v bloku finally"); 
        
      }

      System.out.println("sem se dostane");

    }
}
class NelzeDelitNulouException extends RuntimeException {
  
    public NelzeDelitNulouException(String s) {
      
      super(s);
      
    }
  
}