bool StringObject::less(IObject *obj)
{
StringObject *temp = dynamic_cast<StringObject*>(obj);
if(this->equal(obj)) return false;
int min = strlen(value);
if((int)strlen(temp->getStr()) < min) min = strlen(temp->getStr());
char *checkThis = this->getStr();
char *checkObj = temp->getStr();
int count = 0;
for(count = 0; count < min; ++count)
{
if(checkThis[count] > checkObj[count]) return false;
else if(checkThis[count] < checkObj[count]) return true;
}
if(count == (int)strlen(value)) return true;
else return false;
}
bool StringObject::equal(IObject *obj)
{
StringObject *temp = dynamic_cast<StringObject*>(obj);
if((strcmp(this->value, temp->getStr())) == 0) return true;
else return false;
}