This program computes the sum of the series 1+2+3+4+…+10. It can be easily modified to compute the sum over a larger range.
// SumSeries series // 1 + 2 + 3 + 4 + 5 + 6 + .... + 10 // ANS: 55 // Mukesh Tekwani class SumSeries { public static void main(String args[]) //args is an array or a collection { int sum = 0; int i; //counter variable int n; //java SumSeries 10 // "10" is stored in args[0] n = Integer.parseInt(args[0]); //function name ---> parseInt parse ---> scan/understand // n = 10 for (i = 1; i <= n; i++) { sum = sum + i; } System.out.println("Sum of series is : " + sum); } }