text: public String toString() {String dsc = null;switch (this.type) {case TYPE_UNDERFLOW:dsc = "UNDERFLOW error";break;case TYPE_OVERFLOW:dsc = "OVERFLOW error";break;case TYPE_UNMAPPABLE_CHAR:dsc = "Unmappable-character error with erroneous input length "+ this.length;break;case TYPE_MALFORMED_INPUT:dsc = "Malformed-input error with erroneous input length "+ this.length;break;default:dsc = "";break;}return getClass().getName() + "[" + dsc + "]";}