public boolean equals(final Object obj) {
if (!(obj instanceof IGYearMonth)) {
return false;
}
IGYearMonth monthyear = (IGYearMonth) obj;
return ((monthyear.getMonth() == getMonth()) && (monthyear.getYear() == getYear()));
}
public int compareTo(ITerm o) {
if (o == null) {
return 1;
}
IGYearMonth gmy = (IGYearMonth) o;
int iResult = getYear() - gmy.getYear();
if (iResult != 0) {
return iResult;
}
return getMonth() - gmy.getMonth();
}