ArrayList<byte[]> to byte[][] in Java?

Question

I have a method that returns ArrayList<byte[]> and now I want to know if there is a way I can convert it in byte[][]. I've seen so many questions about ArrayList<byte>, but not ArrayList<byte[]>. Can I do that somehow?

ArrayList<byte[]> list = new ArrayList<>()

to

byte [][] b

You use the same technique to convert an Arraylist<X> to X[], no matter what X is. Even if you need to use [] to write out X properly. — Karl Knechtel
– Karl Knechtel, Commented Nov 12, 2021 at 14:06

yyyy · Accepted Answer · 2021-11-12 14:06:29Z

7

list.toArray(new byte[0][]) or list.stream().toArray(byte[][]::new)

answered Nov 12, 2021 at 14:06

yyyy

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