Find three errors in the Java program below generated by the Java compiler. Indicate what the error is and which line number it is on, and explain how you would fix it: java.util.Scanner; 1234 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. import class AddEvens { 19. 20. 21. } public void main(String[] args) { } Scanner keyboard = new Scanner (System.input); System.out.print("Enter number: "); keyboard.nextInt (); int num = int sum= 0; for (int i=1, i