public void subtraiTempo(Tempo t1)
{
int seg, min, hora;
seg = this.getSeg() - t1.getSeg();
min = this.getMin() - t1.getMin();
hora = this.getHora() - t1.getHora();
this.setSeg(seg);
this.setMin(min);
this.setHora(hora);
this.organizaTempo();
}
public void adicionaTempo(Tempo t1)
{
int seg, min, hora;
seg = t1.getSeg() + this.getSeg();
min = t1.getMin() + this.getMin();
hora = t1.getHora() + this.getHora();
this.setSeg(seg);
this.setMin(min);
this.setHora(hora);
this.organizaTempo();
}