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What is a byte array is in the context of .NET framework?
I am familiar with standard definitions like array and byte and very familiar with electronic engineering concepts such as Byte. But I fail to connect it in terms of computer science concepts. I see it used everywhere, and I use it with out really understanding it deeply.
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bytearray() method returns a bytearray object which is an array of given bytes. It gives a mutable sequence of integers in the range 0 <= x < 256. Syntax: bytearray(source, encoding, errors)
A byte in Java is 8 bits. It is a primitive data type, meaning it comes packaged with Java. Bytes can hold values from -128 to 127. No special tasks are needed to use it; simply declare a byte variable and you are off to the races.
A byte in Go is an unsigned 8-bit integer. It has type uint8 . A byte has a limit of 0 – 255 in numerical range. It can represent an ASCII character.
In C#, Byte Struct is used to represent 8-bit unsigned integers. The Byte is an immutable value type and the range of Byte is from 0 to 255. This class allows you to create Byte data types and you can perform mathematical and bitwise operations on them like addition, subtraction, multiplication, division, XOR, AND etc.
In .NET, a byte is basically a number from 0 to 255 (the numbers that can be represented by eight bits).
So, a byte array is just an array of the numbers 0 - 255.
At a lower level, an array is a contiguous block of memory, and a byte array is just a representation of that memory in 8-bit chunks.
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A byte[] array is simply an array of raw data. For example, a file of size 2000 bytes can be loaded into a byte[] array of 2000 elements.
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