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Fri Nov 12 21:39:23 CST 2021:
Booting Derby version The Apache Software Foundation - Apache Derby - 10.15.2.0 - (1873585): instance a816c00e-017d-145f-ce90-00000f426c00 
on database directory D:\DerbyDemo_embeded\Book_embeded with class loader jdk.internal.loader.ClassLoaders$AppClassLoader@15db9742 
Loaded from file:/C:/Users/September/git/java2021autumn/lib/derby.jar
java.vendor=Oracle Corporation
java.runtime.version=14.0.1+7
user.dir=C:\Users\September\git\java2021autumn
os.name=Windows 10
os.arch=amd64
os.version=10.0
derby.system.home=null
Database Class Loader started - derby.database.classpath=''