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The Java Developers Almanac 1.4Order this book from Amazon. |
e158. Creating a ByteBufferAByteBuffer is a fixed-capacity buffer that holds byte values.
This example demonstrates a number of ways to create a ByteBuffer .
See also e159 Getting Bytes from a ByteBuffer and e160 Putting Bytes into a ByteBuffer. // Create a ByteBuffer using a byte array byte[] bytes = new byte[10]; ByteBuffer buf = ByteBuffer.wrap(bytes); // Create a non-direct ByteBuffer with a 10 byte capacity // The underlying storage is a byte array. buf = ByteBuffer.allocate(10); // Create a direct (memory-mapped) ByteBuffer with a 10 byte capacity. buf = ByteBuffer.allocateDirect(10); // To create a ByteBuffer for a memory-mapped file, // see e166 Creating a Memory-Mapped File
e160. Putting Bytes into a ByteBuffer e161. Converting Between a ByteBuffer an a Byte Array e162. Getting and Setting Non-Byte Java Types in a ByteBuffer e163. Creating a Non-Byte Java Type Buffer on a ByteBuffer e164. Using a ByteBuffer to Store Strings e165. Setting the Byte Ordering for a ByteBuffer
© 2002 Addison-Wesley. |