JSP+ JavaBean+ servlet to add modify delete query

UserManagerSystem_3.0
.....................\UserManagerSystem_3.0
.....................\.....................\.classpath
.....................\.....................\.mymetadata
.....................\.....................\.project
.....................\.....................\.settings
.....................\.....................\.........\.jsdtscope
.....................\.....................\.........\com.genuitec.eclipse.j2eedt.core.prefs
.....................\.....................\.........\org.eclipse.jdt.core.prefs
.....................\.....................\.........\org.eclipse.wst.jsdt.ui.superType.container
.....................\.....................\.........\org.eclipse.wst.jsdt.ui.superType.name
.....................\.....................\WebRoot
.....................\.....................\.......\META-INF
.....................\.....................\.......\........\MANIFEST.MF
.....................\.....................\.......\Test.jsp
.....................\.....................\.......\WEB-INF
.....................\.....................\.......\.......\c.tld
.....................\.....................\.......\.......\classes
.....................\.....................\.......\.......\.......\Test.class
.....................\.....................\.......\.......\.......\com
.....................\.....................\.......\.......\.......\...\ysj
.....................\.....................\.......\.......\.......\...\...\controller
.....................\.....................\.......\.......\.......\...\...\..........\OperateServlet.class
.....................\.....................\.......\.......\.......\...\...\..........\PageForwardServlet.class
.....................\.....................\.......\.......\.......\...\...\..........\UploadServlet.class
.....................\.....................\.......\.......\.......\...\...\..........\VerifyServlet.class
.....................\.....................\.......\.......\.......\...\...\model
.....................\.....................\.......\.......\.......\...\...\.....\OperateUserDAO.class
.....................\.....................\.......\.......\.......\...\...\.....\OperateUserDaoImpl.class
.....................\.....................\.......\.......\.......\...\...\.....\UserBean.class
.....................\.....................\.......\.......\.......\...\...\.....\UserManagerService.class
.....................\.....................\.......\.......\.......\...\...\.....\VerifyUserDAO.class
.....................\.....................\.......\.......\.......\...\...\.....\VerifyUserDaoImpl.class
.....................\.....................\.......\.......\.......\...\...\util
.....................\.....................\.......\.......\.......\...\...\....\DB.class
.....................\.....................\.......\.......\.......\...\...\....\driver
.....................\.....................\.......\.......\.......\...\...\....\......\OracleDriver.class
.....................\.....................\.......\.......\.......\...\...\....\verifyString.class
.....................\.....................\.......\.......\fmt.tld
.....................\.....................\.......\.......\lib
.....................\.....................\.......\.......\...\commons-fileupload-1.2.2.jar
.....................\.....................\.......\.......\...\commons-io-1.4.jar
.....................\.....................\.......\.......\...\jstl.jar
.....................\.....................\.......\.......\...\standard.jar
.....................\.....................\.......\.......\sql.tld
.....................\.....................\.......\.......\web.xml
.....................\.....................\.......\.......\x.tld
.....................\.....................\.......\addUser.jsp
.....................\.....................\.......\adminMain.jsp
.....................\.....................\.......\find.jsp
.....................\.....................\.......\findLists.jsp
.....................\.....................\.......\images
.....................\.....................\...

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