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How to create a ByteBuffer |
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This Java tip demonstrates a method of creating a ByteBuffer. Fixed capacity
bufferes that hold byte values are known as ByteBuffer. There may be various
ways of creating a ByteBuffer.
// Create a ByteBuffer using a byte array
byte[] bytes = new byte[10];
ByteBuffer buffer = ByteBuffer.wrap(bytes);
// Create a non-direct ByteBuffer with a 10 byte capacity
// The underlying storage is a byte array.
buffer = ByteBuffer.allocate(10);
// Create a memory-mapped ByteBuffer with a 10 byte capacity.
buffer = ByteBuffer.allocateDirect(10);
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