.net - What is a byte[] array? - Stack Overflow
2015年6月28日 · A byte is 8 bits, and an array of byte, is an array of bytes... It really is that simple. The thing to keep in mind is that char and byte are different. In old C style, a char and byte were basically the same thing. In .NET, characters are Unicode and can be anywhere from 8-32 bits per character. This is where encoding comes into play.
How do I initialize a byte array in Java? - Stack Overflow
2012年6月26日 · In Java 6, there is a method doing exactly what you want: private static final byte[] CDRIVES = javax.xml.bind.DatatypeConverter.parseHexBinary ...
How to convert byte[] to Byte[] and the other way around?
2012年10月17日 · Step back. Look at the bigger picture. You're stuck converting byte[] to Byte[] or vice versa because of Java's strict type casing with something like this. List< Byte> or List<Byte[]> Now you have byte[] and Byte[] and have to convert. This will help. Keep all your byte[]s in a list like this: List<byte[]> instead of List< Byte> or List<Byte[]>.
Why is the range of bytes -128 to 127 in Java? - Stack Overflow
Without getting into two's complement: 2^8 (since a byte is 8 digits and can have 1 of 2 values) = 256, so the most individual values a byte can represent is 256. so, representing the numbers -128 to -1 is half our range. I believe the question here is …
c# - byte[] to hex string - Stack Overflow
2009年3月8日 · How do I convert a byte[] to a string? Every time I attempt it, I get System.Byte[] instead of the value. Also, how do I get the value in Hex instead of a decimal?
How many characters can you store with 1 byte? - Stack Overflow
2014年1月23日 · I byte per character does not allow for this and in use it is larger often 4 bytes per possible character for all encodings, not just ASCII. The final character may only need a byte to function or be represented on screen, but requires 4 bytes to be located in the rather vast global encoding "works".
c# - Literal suffix for byte in .NET? - Stack Overflow
2011年3月21日 · There is no mention of a literal suffix on the MSDN reference for Byte as well as in the C# 4.0 Language Specification. The only literal suffixes in C# are for integer and real numbers as follows: u = uint l = long ul = ulong f = float m = decimal d = double If you want to use var, you can always cast the byte as in var y = (byte) 5
Java Byte Array to String to Byte Array - Stack Overflow
I'm trying to understand a byte[] to string, string representation of byte[] to byte[] conversion... I convert my byte[] to a string to send, I then expect my web service (written in python) to echo the data straight back to the client.
How can I convert a byte array to hexadecimal in Java?
2010年5月12日 · Byte byteValue = intValue.byteValue(); // this will convert the rightmost byte of the intValue to byte, because Byte is an 8 bit object and Integer is at least 16 bit, and it will give you a signed number in this case -107
How do you specify a byte literal in Java? - Stack Overflow
2011年3月4日 · If you're doing a lot of this sort of thing, you can define a simple helper method byte b(int i) { return (byte) i; } somewhere and statically import it. Then you can write f(b(10)). Then you can write f(b(10)).