public class TestaConexao {
    
	  public static void main (String argv[])  {
		  
		  Connection conn = conectaBD("jdbc:db2:mydatabase", "myuser", "mypassword");
		  desconectaBD(conn);
		  
	  }
		
	  public static Connection conectaBD(String url, String usuario, String senha) {	
		  String Driver = new String("COM.ibm.db2.jdbc.app.DB2Driver");	
		  Connection conn = null;
		  try {
			  Class.forName(Driver);
      			conn = DriverManager.getConnection(url, usuario, senha);
      		}
      		catch (Exception e) {
      			System.out.println("Ocorreu erro: " + e.toString());
      			System.exit(0);
      		}
      		return conn;
	  }
 
	  public static void desconectaBD(Connection conn) { 
		  try {
			  conn.commit();
			  conn.close();
		  }
		  catch (Exception e) {
			  System.out.println("Ocorreu erro: " + e.toString());
			  System.exit(0);
		  }
	}
}