Mastering Java: The Ultimate 2026 All-In-One Quiz to Excel in 'Thinking in Java

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What is the primary distinction between 'MappedByteBuffer' and 'ByteBuffer'?

Only 'ByteBuffer' supports encryption

Only 'MappedByteBuffer' can be used with channels

'MappedByteBuffer' maps a file directly into memory

Explanation 'MappedByteBuffer' maps a file directly into memory, while 'ByteBuffer' does not. Option A is incorrect because both classes support encryption. Option B is incorrect because both can be used with channels. Option D is incorrect because 'ByteBuffer' can be used for file operations as well.

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'ByteBuffer' cannot be used for file operations

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