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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. public static void main (String[] args) throws java.lang.Exception
  11. {
  12. Scanner console = new Scanner(System.in);
  13.  
  14. String input = "";
  15. int sum = 0;
  16.  
  17. System.out.println( "Please enter a number: " );
  18. input = console.next();
  19.  
  20. int i = 0;
  21.  
  22. while( i < input.length() )
  23. {
  24. char temp = input.charAt(i);
  25. sum += Character.getNumericValue(temp);
  26. i++;
  27. }
  28.  
  29. System.out.println( "The number entered was " + input + ". The sum of these digits is: " + sum + "." );
  30. }
  31. }
Success #stdin #stdout 0.13s 321088KB
stdin
12345
stdout
Please enter a number: 
The number entered was 12345. The sum     of these digits is: 15.