| ofset bait
|
saiz
|
jenis atau nilai
|
penerangan
|
| 0
|
4 bytes
|
u1 =
0xCA hex
|
angka ajaib (CAFEBABE) bagi menentukan fail mengikut format fail kelas
|
| 1
|
u1 =
0xFE hex
|
| 2
|
u1 =
0xBA hex
|
| 3
|
u1 =
0xBE hex
|
| 4
|
2 bait
|
u2
|
nombor versi minor bagi format fail kelas yang dipakai
|
| 5
|
| 6
|
2 bait
|
u2
|
nombor versi major bagi format fail kelas yang dipakai.
Java SE 13 = 57 (0x39 hex),
Java SE 12 = 56 (0x38 hex),
Java SE 11 = 55 (0x37 hex),
Java SE 10 = 54 (0x36 hex),[1]
Java SE 9 = 53 (0x35 hex),[2]
Java SE 8 = 52 (0x34 hex),
Java SE 7 = 51 (0x33 hex),
Java SE 6.0 = 50 (0x32 hex),
Java SE 5.0 = 49 (0x31 hex),
JDK 1.4 = 48 (0x30 hex),
JDK 1.3 = 47 (0x2F hex),
JDK 1.2 = 46 (0x2E hex),
JDK 1.1 = 45 (0x2D hex).
Maklumat nombor-nombor versi yang lebih awal tercata di nota kaki 1 di The JavaTM Virtual Machine Specification 2nd edition
|
| 7
|
| 8
|
2 bait
|
u2
|
bilangan constant pool, bilangan entri dalam jadual constant pool berikut. This count is at least one greater than the actual number of entries; see following discussion.
|
| 9
|
| 10
|
cpsize (variable)
|
table
|
constant pool table, an array of variable-sized constant pool entries, containing items such as literal numbers, strings, and references to classes or methods. Indexed starting at 1, containing (constant pool count - 1) number of entries in total (see note).
|
| ...
|
| ...
|
| ...
|
| 10+cpsize
|
2 bytes
|
u2
|
access flags, a bitmask
|
| 11+cpsize
|
| 12+cpsize
|
2 bytes
|
u2
|
identifies this class, index into the constant pool to a "Class"-type entry
|
| 13+cpsize
|
| 14+cpsize
|
2 bytes
|
u2
|
identifies super class, index into the constant pool to a "Class"-type entry
|
| 15+cpsize
|
| 16+cpsize
|
2 bytes
|
u2
|
interface count, number of entries in the following interface table
|
| 17+cpsize
|
| 18+cpsize
|
isize (variable)
|
table
|
interface table: a variable-length array of constant pool indexes describing the interfaces implemented by this class
|
| ...
|
| ...
|
| ...
|
| 18+cpsize+isize
|
2 bytes
|
u2
|
field count, number of entries in the following field table
|
| 19+cpsize+isize
|
| 20+cpsize+isize
|
fsize (variable)
|
table
|
field table, variable length array of fields
each element is a field_info structure defined in https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.5
|
| ...
|
| ...
|
| ...
|
| 20+cpsize+isize+fsize
|
2 bytes
|
u2
|
method count, number of entries in the following method table
|
| 21+cpsize+isize+fsize
|
| 22+cpsize+isize+fsize
|
msize (variable)
|
table
|
method table, variable length array of methods
each element is a method_info structure defined in https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.6
|
| ...
|
| ...
|
| ...
|
| 22+cpsize+isize+fsize+msize
|
2 bytes
|
u2
|
attribute count, number of entries in the following attribute table
|
| 23+cpsize+isize+fsize+msize
|
| 24+cpsize+isize+fsize+msize
|
asize (variable)
|
table
|
attribute table, variable length array of attributes
each element is an attribute_info structure defined in https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.7
|
| ...
|
| ...
|
| ...
|