java - RandomAccessFile为什么位移4次就能写入一个Int?

Question

{代码...}

PHP中文网 · Answer

aaaaaaaabbbbbbbbccccccccdddddddd
>>>24
000000000000000000000000aaaaaaaa
&FF
000000000000000000000000aaaaaaaa

aaaaaaaabbbbbbbbccccccccdddddddd
>>> 16
0000000000000000aaaaaaaabbbbbbbb
&FF
000000000000000000000000bbbbbbbb

aaaaaaaabbbbbbbbccccccccdddddddd
>>> 8
00000000aaaaaaaabbbbbbbbcccccccc
&FF
000000000000000000000000cccccccc

aaaaaaaabbbbbbbbccccccccdddddddd
>>>0
aaaaaaaabbbbbbbbccccccccdddddddd
&FF
000000000000000000000000dddddddd

黄舟 · Answer

Just like the first answer, the 0xFF masking bit masks the upper 24 bits of data, so there is no duplication