https://www.java2s.com/example/java-utility-method/bytebuffer-copy-index-0.html
Java Utililty Methods ByteBuffer Copy
javamethodsbytebuffercopy
https://www.java2s.com/example/java-utility-method/bytebuffer-clear-index-0.html
Java Utililty Methods ByteBuffer Clear
javamethodsbytebufferclear
https://webrtc.googlesource.com/src/+/bfd398ccda27550629ec2440888f4083e4510069/webrtc/base/bytebuffer_unittest.cc
webrtc/base/bytebuffer_unittest.cc - src - Git at Google
webrtcbasebytebufferunittestcc
https://developer.android.google.cn/reference/java/nio/ByteBuffer
ByteBuffer | API reference | Android Developers
api referencebytebufferandroiddevelopers