package br.pucrs.fds.monopoly;

/**
 * Hello world!
 *
 */
public class App 
{
    public static void main( String[] args )
    {
        System.out.println( "Hello World!" );
    }
}

package br.pucrs.fds.monopoly;

/**
 * Hello world!
 *
 */
public class App 
{
    public static void main( String[] args )
    {
        System.out.println( "Olá, mundo!" );
    }
}

Teste do Olá, mundo! na IDE: Eclipse