Byte data=https://bbs.csdn.net/topics/0xDB;
Binary is 1101, 1011 from high to low

From 0 to 2, 011=3
Take 3 to 4 11=3
Take 5 to 7=6 110
This operation

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Put up to the individual,

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The bitwise exclusive or operation

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Byte data=https://bbs.csdn.net/topics/0xdb;
Int a1=data & amp; 0 x07;
Int a2=(data & gt;> 3) & amp; 0 x03;
Int a3=(data & gt;> 5) & amp; 0 x07;

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