public String toString(String indentStr) { try { StringBuilder res = new StringBuilder(); res.append(indentStr).append("[QualificationElement\n"); res.append(indentStr).append("\t"); res.append(indentStr).append("Qualification: ").append(getQualification()).append("\n"); res.append(indentStr).append("Condition: ").append(getCondition()).append("\n"); indentStr = indentStr.substring(1); res.append(indentStr + "]\n"); return res.toString(); } catch (Exception e) { return super.toString(); } } }