Eliminating Last Comma & Space [duplicate]

Answer 1

Check if the last iteration is reached. If not print the comma, otherwise don't.

Replace :

for (i = 0; i < NUM_VALS; i++) {
     System.out.print(hourlyTemp[i] + ", ");
}

With:

for (i = 0; i < NUM_VALS; i++) {
     if (i == (NUM_VALS - 1)) System.out.print(hourlyTemp[i]);
     else System.out.print(hourlyTemp[i] + ", ");
}