In this program, all the values are summed from 1 up to the entered value.
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import java.util.Scanner; import java.io.*; class Testprogram { public static void main(String [] args) { long eingabe1, summe; System.out.println("Please enter a number, to which all the values from 1 should be summed!"); Scanner eingabe = new Scanner(System.in); eingabe1 = Integer.valueOf(eingabe.next()); summe = (eingabe1*(eingabe1 + 1))/2; System.out.println ("The sum of all numbers from 1 to " + eingabe1 + " is: " + summe); }
