class Dept {

     private int deptno ;

     private String dname ;

     private String loc ;

     private Emp emps [] ;    //多个雇员

     public void setEmps(Emp [] emps) {

         this.emps = emps ;

     }

     public Emp[] getEmps() {

         return this.emps ;

     }

     public Dept(int deptno,String dname,String loc){

         this.deptno = deptno ;

         this.dname = dname ;

         this.loc = loc ;

     }

     public String getInfo() {

         return "部门编号：" + this.deptno + "，名称：" + this.dname + "，位置：" + this.loc ;

     }

 }

 class Emp {

     private int empno ;

     private String ename ;

     private String job ;

     private double sal ;

     private double comm ;

     private Dept dept ;//表示对应的部门信息

     private Emp mgr ;  //表示雇员对应的领导

     public void setMgr(Emp mgr) {

         this.mgr = mgr ;

     }

     public Emp getMgr() {

         return this.mgr ;

     }

     public void setDept(Dept dept){

         this.dept = dept ;

     }

     public Dept getDept() {

         return this.dept ;

     }

     public Emp(int empno,String ename,String job,double sal,double comm){

         this.empno = empno ;

         this.ename = ename ;

         this.job = job ;

         this.sal = sal ;

         this.comm = comm ;

     }

     public String getInfo(){

         return "雇员编号：" + this.empno + "，姓名：" + this.ename + "，职位：" + this.job + "，工资：" + this.sal + "，佣金：" + this.comm ;

     }

 }

 public class  Test2 {

     public static void main(String args[]) {

         Dept dept = new Dept(10,"ACCOUNTING","CHINA") ;  //部门信息

         Emp ea = new Emp(7369,"CHEN","CLERK",800.0,0.0);//雇员信息

         Emp eb = new Emp(7902,"PENG","MANAGER",2500.0,0.0);//雇员信息

         Emp ec = new Emp(7719,"KING","PRESIDENT",5000.0,0.0);//雇员信息

         ea.setMgr(eb) ; //雇员与领导

         eb.setMgr(ec) ; //雇员与领导

         ea.setDept(dept) ; //雇员与部门

         eb.setDept(dept) ; //雇员与部门

         ec.setDept(dept) ; //雇员与部门

         dept.setEmps(new Emp[]{ea,eb,ec}) ;

         System.out.println(ea.getInfo()) ;//通过雇员找到领导信息和部门信息

         System.out.println("\t|-"+ ea.getMgr().getInfo()) ;

         System.out.println("\t|-"+ ea.getDept().getInfo()) ;

         System.out.println("----------------------------------------") ;

         System.out.println(dept.getInfo()) ;//根据部门找到所有的雇员以及每个雇员的领导信息

         for (int x = 0 ;x < dept.getEmps().length ;x ++ ){

             System.out.println("\t|-"+ dept.getEmps()[x].getInfo()) ;

             if (dept.getEmps()[x].getMgr() != null){

                 System.out.println("\t|-"+dept.getEmps()[x].getMgr().getInfo()) ;

             }

         }

     }

 }