char a = 'A";
System.out.println("a is " + a);
int i = a;
System.out.println("i is " + i);
char n = (char)-a;
System.out.println("n is " + n);
int z = n;
System.out.println("z is " + z);
// Now: is char signed or unsigned?
// char neg = -1; // WON'T COMPILE
// System.out.println("neg is " + neg);
