Currently with Java version “11.0.3” 2019-04-16 LTS on a Linux host (but would expect 8+ compatibility): in the context of computing a picture in order to send a binary bitmap to some hardware that only knows a 1-bit depth of display, I am using the BitSet for the first time and I get some disappo…
Tag: bitset
How to flip all the bits in Java BitSet while preserving its length
How can I flip all the bits in a Java BitSet, while preserving its length? For example, given the following BitSet: Is there a simple method to flip all the bits, while preserving the BitSet length (6, in the above example)? I would like to get: Answer BitSet has a flip(from, to) method, which allows you to f…
Where do we use BitSet and why do we use it in java?
I just found out that there is BitSet in java. There are already arrays and similar data structures. Where can BitSet be used? Answer As the above answer only explains what a BitSet is, I am providing here an answer of how I use BitSet and why. At first, I did not knew that the BitSet construct exists. I have
What do Bitset size() and length() mean, and what is the difference between them?
I don’t quite understand the different meanings of size() and length() in BitSet. Check the code below: Output is: I thought I would get something like Where do these trailing zeroes come from? Can someone explain this to me? thanks~~ Answer answer is quite simple the BitSet constructor just says it gen…