public class Constants {
    public static final boolean BooleanTrue = true;
    public static final boolean BooleanFalse = false;
    public static final boolean InvertedBoolean = !true;

    public static final byte Byte = 23;
    public static final byte NegativeByte = -42;
    public static final byte LiteralCharAsByte = 'a';

    public static final char Char = 33;
    public static final char LiteralChar = 'b';

    public static final short Short = 0x1234;
    public static final short NegativeShort= -0x5678;
    public static final short LiteralCharAsShort = 'c';

    public static final int Int = 0xabcdef;
    public static final int NegativeInt = -12345678;
    public static final int LiteralCharAsInt = 'd';

    public static final long Long = 0x1234567890abcdefL;
    public static final long NegativeLong = -0xfedcba09876L;
    public static final long LiteralCharAsLong = 'e';
    public static final long LiteralIntAsLong = 0x12345678;

    public static final float Float = 42.232323f;
    public static final float NegativeFloat = -3.1415f;

    public static final double Double = 23.4243598374594d;
    public static final double NegativeDouble = -42.2324358934589734859d;

    public static final String String = "testConstant";
    public static final String NegativeString = "!#!$!grml%!%!$#@@@";
}