package ex$1$employee;

$/**$

$*$

$*$ @author athee

$*/$

public class Ex$1$Employee $\{$

private String name;

private int idNumber;

private String department;

private String position;

public Ex$1$Employee$($String name, int idNumber, String department, String position$)\{$

this.name $=$ name;

this.idNumber $=$ idNumber;

this.department $=$ department;

this.position $=$ position;

$\}$

public Ex$1$Employee$($String name, int idNumber$)\{$

this.name $=$ name;

this.idNumber $=$ idNumber;

this.department $=""$;

this.position $=""$;

$\}$

public Ex$1$Employee$()\{$

this.name $=""$;

this.idNumber $=0$;

this.department $=""$;

this.position $=""$;

$\}$

public void setName$($String name$)\{$

this.name $=$ name;

$\}$

public void setIdNumber$($int idNumber$)\{$

this.idNumber $=$ idNumber;

$\}$

public void setDepartment$($String department$)\{$

this.department $=$ department;

$\}$

public void setPosition$($String position$)\{$

this.position $=$ position;

$\}$

public String getName$()\{$

return name;

$\}$

public int getIdNumber$()\{$

return idNumber;

$\}$

public String getDepartment$()\{$

return department;

$\}$

public String getPosition$()\{$

return position;

$\}$

$\}$

package employeeclasstest;

$/**$

$*$

$*$ @author athee

$*/$

public class EmployeeClassTest $\{$

public static void main$($String$[]$ args$)\{$

Ex$1$Employee employee$1=$ new Ex$1$Employee$("$Susan Meyers", $47099,$ "Accounting", "Vice President"$)$;

Ex$1$Employee employee$2=$ new Ex$1$Employee$("$Mark Jones", $39119,"$IT$",$ "Programmer"$)$;

Ex$1$Employee employee$3=$ new Ex$1$Employee$("$Joy Rogers", $81774,$ "Manufacturing", "Engineer"$)$;

System.out.println$("$Employee $1$:$")$;

System.out.println$("$Name: $"+$ employee$1.$getName$())$;

System.out.println$("$ID Number: $"+$ employee$1.$getIdNumber$())$;

System.out.println$("$Department: $"+$ employee$1.$getDepartment$())$;

System.out.println$("$Position: $"+$ employee$1.$getPosition$())$;

System.out.println$("$

Employee $2$:$")$;

System.out.println$("$Name: $"+$ employee$2.$getName$())$;

System.out.println$("$ID Number: $"+$ employee$2.$getIdNumber$())$;

System.out.println$("$Department: $"+$ employee$2.$getDepartment$())$;

System.out.println$("$Position: $"+$ employee$2.$getPosition$())$;

System.out.println$("$

Employee $3$:$")$;

System.out.println$("$Name: $"+$ employee$3.$getName$())$;

System.out.println$("$ID Number: $"+$ employee$3.$getIdNumber$())$;

System.out.println$("$Department: $"+$ employee$3.$getDepartment$())$;

System.out.println$("$Position: $"+$ employee$3.$getPosition$())$;

$\}$

$\}$

why are these codes are not working together