File list (Check if you may need any files):
ShopSystem
..........\.classpath
..........\.project
..........\.settings
..........\.........\org.eclipse.jdt.core.prefs
..........\bin
..........\...\database.properties
..........\...\DB
..........\...\..\DataBase.class
..........\...\..\ShopSystemDatabase.class
..........\...\..\w.class
..........\...\files
..........\...\.....\Add$1.class
..........\...\.....\Add$2.class
..........\...\.....\Add$3.class
..........\...\.....\Add$4.class
..........\...\.....\Add.class
..........\...\.....\Delete$1.class
..........\...\.....\Delete$2.class
..........\...\.....\Delete$3.class
..........\...\.....\Delete$4.class
..........\...\.....\Delete.class
..........\...\.....\Management$1.class
..........\...\.....\Management$2.class
..........\...\.....\Management$3.class
..........\...\.....\Management$4.class
..........\...\.....\Management$5.class
..........\...\.....\Management.class
..........\...\.....\Query$1.class
..........\...\.....\Query$2.class
..........\...\.....\Query$3.class
..........\...\.....\Query$4.class
..........\...\.....\Query.class
..........\...\.....\Register$1.class
..........\...\.....\Register$2.class
..........\...\.....\Register$3.class
..........\...\.....\Register.class
..........\shopsystemDB.sql
..........\src
..........\...\database.properties
..........\...\DB
..........\...\..\DataBase.java
..........\...\..\ShopSystemDatabase.java
..........\...\..\w.java
..........\...\files
..........\...\.....\Add.java
..........\...\.....\Delete.java
..........\...\.....\Management.java
..........\...\.....\Query.java
..........\...\.....\Register.java