Write their own database connection on the demo source code, comparing rough, I would like to thank the support!

ConnectionDemo
..............\bak
..............\...\ConnectionDemo.java~1~
..............\...\ConnectionDemo.java~2~
..............\...\ConnectionDemo.java~3~
..............\...\ConnectionDemo.java~4~
..............\...\ConnectionDemo.java~5~
..............\...\ConnectionDemo2.java~10~
..............\...\ConnectionDemo2.java~11~
..............\...\ConnectionDemo2.java~12~
..............\...\ConnectionDemo2.java~13~
..............\...\ConnectionDemo2.java~14~
..............\...\ConnectionDemo2.java~15~
..............\...\ConnectionDemo2.java~16~
..............\...\ConnectionDemo2.java~7~
..............\...\ConnectionDemo2.java~8~
..............\...\ConnectionDemo2.java~9~
..............\...\DBTest.java~1~
..............\...\DBTest.java~2~
..............\...\DBTest.java~3~
..............\...\DBTest.java~4~
..............\...\DBTest.java~5~
..............\classes
..............\.......\ConnectionDemo.class
..............\.......\ConnectionDemo2.class
..............\.......\DBTest.class
..............\.......\package cache
..............\.......\.............\unnamed package.dep2
..............\ConnectionDemo.jpx
..............\ConnectionDemo.jpx.local
..............\src
..............\...\ConnectionDemo.java
..............\...\ConnectionDemo2.class
..............\...\ConnectionDemo2.java
..............\...\DBTest.java

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