/* Here we define some exception types of our own.
 * Exceptions classes generally have constructors but no data or 
 * other methods. All these do is call their superclass constructors.
 */

public class MinhaExcecao extends Exception {
  public MinhaExcecao() {
     super();
  }

  public MinhaExcecao(String s) {
    super(s);
  }
}