/**
   * Method existencesOfInfoDegree.
   *
   * @param executionDegreeList
   * @param infoExecutionDegree
   * @return int
   */
  private boolean duplicateInfoDegree(
      List executionDegreeList, InfoExecutionDegree infoExecutionDegree) {
    InfoDegree infoDegree = infoExecutionDegree.getInfoDegreeCurricularPlan().getInfoDegree();
    Iterator iterator = executionDegreeList.iterator();

    while (iterator.hasNext()) {
      InfoExecutionDegree infoExecutionDegree2 = (InfoExecutionDegree) iterator.next();
      if (infoDegree.equals(infoExecutionDegree2.getInfoDegreeCurricularPlan().getInfoDegree())
          && !(infoExecutionDegree.equals(infoExecutionDegree2))) {
        return true;
      }
    }
    return false;
  }