It didn't allow me to post the code in code tags.
try {
sqlAccNo="select count(*) from month_txn where account_no="+accno;
day="select extract(day from from_date) day,balance from month_txn where account_no="+accno +" order by day";
Statement st2;
ResultSet rs2;
st2=conn.createStatement();
rs2=st2.executeQuery(day);
st=conn.createStatement();
rs=st.executeQuery(sqlAccNo);
double arr[][]=null;
if(rs2.next()){
int rowCount1=rs2.getInt(1);
arr=new double[rowCount1][2];
}
int ctr=0;
while (rs.next()) {
String day=rs.getString(1);
double principle=rs.getDouble(2);
arr[ctr][0]=Double.parseDouble[day];
arr[ctr][1]=principle;
ctr++;
}
//arr should have now day and balance for that day