public String unparseStudentProblemGradingHistory(StudentProblemHistory aSingleStudentHistory) { StringBuilder stringBuilder = new StringBuilder(EXPECTED_UNPARSE_SINGLE_STUDENTS_SIZE); stringBuilder.append( aSingleStudentHistory.getName() + "(" + aSingleStudentHistory.getOnyen() + ")"); return unparseGradingHistory(aSingleStudentHistory, stringBuilder); }