java: Field Type Descriptors

A field descriptor represents the type of a class, instance, or local variable.

FieldType term	Type	Interpretation
B	byte	signed byte
C	char	Unicode character code point in the Basic Multilingual Plane, encoded with UTF-16
D	double	double-precision floating-point value
F	float	single-precision floating-point value
I	int	integer
J	long	long integer
LClassName;	reference	an instance of class ClassName eg. for Object ⇒ Ljava/lang/Object;
S	short	signed short
Z	boolean	true or false
[	reference	one array dimension eg. for double[][][] ⇒ [[[D