// Read and sum until end of line
int thisBP; int total; int count;
count = 1;       // Initialize
total = 0; String line;
line = dataFile.readLine();
while (line != null)   // Test expression
{
  thisBP = Integer.parseInt(line);
  total = total + thisBP;
  count++;               // Update
  line = dataFile.readLine();
}
System.out.println(“The total = “  +  total);