Java Binary Conversion

Negative numbers handle signed numbers

OCT-22 234

BIN 1110 1010 1110 1010

Signed number source code anti-code complement positive numbers are consistent

Negative processing

Sign bit

1 110 1010

Reverse 1 001 0101 Anti-code

< sign bit except >

+1 1 001 0110 complement

The result represents a negative number 22

-22

Java byte and 16 binary strings are converted to each other

[] [] [] [] [] [] [] []

1 byte occupies 8 bits

[] [] [] []

1hex characters in four-bit notation

===========>

1 byte = 2 hex character

======>

[][][][] [][][][]

High four-bit low four-bit

Hl

1 byte indicates two hex characters

2 hex characters represent a byte

Java Binary Conversion