早期jdk备份 Stored with Git LFS
校验和checksum
echo '```' > checksum.md
echo checksum >> checksum.md
echo md5sum >> checksum.md
find ./* -type f -exec md5sum "{}" + >> checksum.md
echo sha256sum >> checksum.md
find ./* -type f -exec sha256sum "{}" + >> checksum.md
echo sha512sum >> checksum.md
find ./* -type f -exec sha512sum "{}" + >> checksum.md
echo '```' >> checksum.md