// chars
// see p546-547 LL

class Test {
    char c;
}

public class chars0 {
    public static void main(String[] args) {

	char x = '0';
	Test t = new Test();
	System.out.println(x);
	System.out.println( (int) x );
	System.out.println( (char) 48 );
	System.out.println( x + 1 );
	System.out.println(t.c);
	
	// 'A' = 65, 'a' = 97 --> 'A'-'a'=-32
	// 'C' = 67, 'c' = 99 --> 'c'-32 =99
	System.out.println( (char)('c'+'A'-'a') ); // convert to uppercase
	System.out.println( (char)('d'+'A'-'a') ); // convert to uppercase
    }

}

/* Output:
0
48
0
49
  <-- ASCII NULL character (but not Java $null$)
C (uppercase C)
D (uppercase D)
*/