C0 C0 FF EE       # magic number
00 09             # version 4, arch = 1 (64 bits)

00 00             # int pool count
# int pool

00 00             # string pool total size
# string pool

00 01             # function count
# function_pool

#<main>
00 00             # number of arguments = 0
00 00             # number of local variables = 0
00 09             # code length = 9 bytes
10 17    # bipush 23       # 23
10 13    # bipush 19       # 19
68       # imul            # (23 * 19)
10 02    # bipush 2        # 2
78       # ishl            # ((23 * 19) << 2)
B0       # return          # 

00 00             # native count
# native pool