java convert string to int and compare
Collections.sort(data, new Comparator<TXCartData>() {
@Override
public int compare(TXCartData lhs, TXCartData rhs) {
int n1=Integer.parseInt(lhs.rowId);
int n2=Integer.parseInt(rhs.rowId);
if (n1>=n2){
return 1;
}
return -1;
}
});