The Java® Virtual Machine Specification, Java SE 7 Edition, Third Edition

4.5. Fields

Each field is described by a field_info structure. No two fields in one class file may have the same name and descriptor (§4.3.2).

The structure has the following format:

field_info {    u2             access_flags;    u2             name_index;    u2             descriptor_index;    u2             attributes_count;    attribute_info attributes[attributes_count];}

The items of the field_info structure are as follows:

access_flags

The value of the access_flags item is a mask of flags used to denote access permission to and properties of this field. The interpretation of each flag, when set, is as shown in Table 4.4.

Table 4.4. Field access and property flags

A field may be marked with the ACC_SYNTHETIC flag to indicate that it was ...