class Fehler { public static void main(String[] args) { System.out.println("Hi!"); int erste_zahl = 2 int 2teZahl = 3; int dritte-zahl = 4; int vierte zahl = 5; int s = 5; int t = 2; s - t = int result; boolean a = 1; boolean b = true; boolean c = false; boolean d = b - c; char one = '1'; char true = 't'; char falsch = 'false'; double x = 4.5; dauble y = 3.; double z; double x2 = .0; double _3 = x*y; double res = x*z; System.out.println("Bye!"); }