java - Set bit values in Byte -

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I need to set bits for some Bluetooth features listed under Java: 

  HeaderValue: BluetoothFeature, Tag ID: 0x10, length: 4 bytes, Possible values: bit 0 = A, bit1 = b, bit2 = c, bit3 = d, bit4 = e .... so many bits 31.

1 to set the seventh bit: 

  B = (byte) (b | (1 ; 6));

To set the sixth bit to zero: 

  b = (byte) (b & amp; nbsp; (1 & lt; <5 ));

(The bit position is 0-based, effectively, so the map "seventh bit" 1 = <1 instead of <<

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