/** * <p>Rolls to the next quarter. </p> * * <p>The result is {@code Q1} if this method is applied on {@code Q4}. </p> * * @return next quarter rolling at last quarter */ /*[deutsch] * <p>Ermittelt das nächste Quartal. </p> * * <p>Auf {@code Q4} angewandt ist das Ergebnis {@code Q1}. </p> * * @return next quarter rolling at last quarter */ public Quarter next() { return this.roll(1); }
/** * <p>Rolls to the previous quarter. </p> * * <p>The result is {@code Q4} if this method is applied on {@code Q1}. </p> * * @return previous quarter rolling at first quarter */ /*[deutsch] * <p>Ermittelt das vorherige Quartal. </p> * * <p>Auf {@code Q1} angewandt ist das Ergebnis {@code Q4}. </p> * * @return previous quarter rolling at first quarter */ public Quarter previous() { return this.roll(-1); }