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I have 2 bytes:
byte b1 = 0x5a;
byte b2 = 0x25;
How do I get 0x5a25 ?
262
The concat() method of Bytes Class in the Guava library is used to concatenate the values of many arrays into a single array. These byte arrays to be concatenated are specified as parameters to this method. returns the array {1, 2, 3, 4, 5, 6, 7}.
To join a list of Bytes, call the Byte. join(list) method. If you try to join a list of Bytes on a string delimiter, Python will throw a TypeError , so make sure to call it on a Byte object b' '. join(...)
The addition of two-byte values in java is the same as normal integer addition. The byte data type is 8-bit signed two's complement integer. It has a minimum value of -128 and a maximum value of 127 (inclusive).
To concatenate multiple byte arrays, you can use the Bytes. concat() method, which can take any number of arrays.
It can be done using bitwise operators '<<' and '|'
public int Combine(byte b1, byte b2)
{
int combined = b1 << 8 | b2;
return combined;
}
Usage example:
[Test]
public void Test()
{
byte b1 = 0x5a;
byte b2 = 0x25;
var combine = Combine(b1, b2);
Assert.That(combine, Is.EqualTo(0x5a25));
}
Using bit operators:
(b1 << 8) | b2 or just as effective (b1 << 8) + b2
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