Reads one or several Java formatted byte's (8 bits) from a connection. All data types in Java are signed, i.e. a byte can hold a value in the range [-128,127].
## Static method (use this):
## Java$readByte(con, n=1, ...)## Don't use the below:
# S3 method for Java
readByte(static, con, n=1, ...)
Binary connection to be read from.
Number of byte's to be read.
Not used.
This method is included for consistency reasons only.