class Driver $\{$

public static void main$($String$[]$ args$)\{$

int$[]$ x $=\{8,7,9,8,8\}$;

int n $=$ x$.$length;

We can read the file one line at a time and use the indexOf method to get the positions of the commas. The call

line.indexOf$(",",$ pos$)$

gives the position of the next comma at or beyond the position pos, or $-1$ if there is no match.

Rearrange the lines below to compute the total score for a student. Assume that each student has at least one score.