Question

I have a byte of array which receive UDP packets and I convert it to float array , the problem is that in every iteration it clear the array and write the packets that received there while I want to add new packets to array !

I use this code :

float[] receive = new float[] {}

how should I change this to add receiving packets to my array ?

Answer 1

I assume every time a UDP packet is received, you are putting the data into that array which explains why it gets erased at every iteration.
Use a ByteArrayOutputStream to save the received bytes

ByteArrayOutputStream out = new ByteArrayOutputStream();
while (receiving) {
    out.write(received_data, 0, received_data_size);
}

Once done, you can get all received bytes by doing:

byte[] bytes = out.toByteArray(); 

And then do the float conversion