File list (Check if you may need any files):
Staff management system\About.java
.......................\AddDeleteUser.java
.......................\AmendPassword.java
.......................\BIQ.java
.......................\Calculator.java
.......................\classsource\About.class
.......................\...........\AddDeleteUser$1.class
.......................\...........\AddDeleteUser$2.class
.......................\...........\AddDeleteUser$3.class
.......................\...........\AddDeleteUser$4.class
.......................\...........\AddDeleteUser.class
.......................\...........\AmendPanel$1.class
.......................\...........\AmendPanel$2.class
.......................\...........\AmendPanel.class
.......................\...........\AmendPassword.class
.......................\...........\BIQ$1.class
.......................\...........\BIQ.class
.......................\...........\Calculator.class
.......................\...........\Database.class
.......................\...........\DBcon.class
.......................\...........\Departmentmanage$1.class
.......................\...........\Departmentmanage$2.class
.......................\...........\Departmentmanage$3.class
.......................\...........\Departmentmanage$4.class
.......................\...........\Departmentmanage$5.class
.......................\...........\Departmentmanage$6.class
.......................\...........\Departmentmanage.class
.......................\...........\DIQ$1.class
.......................\...........\DIQ.class
.......................\...........\Employeemanage$1.class
.......................\...........\Employeemanage$2.class
.......................\...........\Employeemanage$3.class
.......................\...........\Employeemanage$4.class
.......................\...........\Employeemanage$5.class
.......................\...........\Employeemanage$6.class
.......................\...........\Employeemanage$7.class
.......................\...........\Employeemanage$8.class
.......................\...........\Employeemanage$9.class
.......................\...........\Employeemanage.class
.......................\...........\EncouragementPunish$1.class
.......................\...........\EncouragementPunish$2.class
.......................\...........\EncouragementPunish$3.class
.......................\...........\EncouragementPunish$4.class
.......................\...........\EncouragementPunish$5.class
.......................\...........\EncouragementPunish$6.class
.......................\...........\EncouragementPunish.class
.......................\...........\EPIQ$1.class
.......................\...........\EPIQ.class
.......................\...........\Game$1.class
.......................\...........\Game.class
.......................\...........\Land$1.class
.......................\...........\Land$2.class
.......................\...........\Land.class
.......................\...........\Main$1.class
.......................\...........\Main$10.class
.......................\...........\Main$11.class
.......................\...........\Main$12.class
.......................\...........\Main$13.class
.......................\...........\Main$14.class
.......................\...........\Main$15.class
.......................\...........\Main$16.class
.......................\...........\Main$17.class
.......................\...........\Main$18.class
.......................\...........\Main$19.class
.......................\...........\Main$2.class
.......................\...........\Main$20.class
.......................\...........\Main$21.class
.......................\...........\Main$3.class
.......................\...........\Main$4.class
.......................\...........\Main$5.class
.......................\...........\Main$6.class
.......................\...........\Main$7.class
.......................\...........\Main$8.class
.......................\...........\Main$9.class
.......................\...........\Main.class
.......................\...........\SIQ$1.class
.......................\...........\SIQ.class
.......................\.