死活统计不出市场部的人！！！求帮助。。。。。

Question

package com.student.massage;

public class company {

//定义部门信息

private String branch;

private staff[] staffinfo;

private int dutynum;

//创建一个带参构造方法

public company(String branch){

this.setBranch(branch);

}

//从外部获取部门、以及返回部门信息

public String getBranch() {

return branch;

}

public void setBranch(String branch) {

this.branch = branch;

}

public staff[] getStaffinfo() {

if(this.staffinfo==null)

this.staffinfo=new staff[200];

return staffinfo;

}

public void setStaffinfo(staff[] staffinfo) {

this.staffinfo = staffinfo;

}

public int getDutynum() {

return dutynum;

}

public void setDutynum(int dutynum) {

this.dutynum = dutynum;

}

public void addduty(staff dep){

int i,j;

for(i=0;i<this.getStaffinfo().length;i++){

if(this.getStaffinfo()[i]==null){

this.getStaffinfo()[i]=dep;

if(this.getStaffinfo()[i].getDep().getBranch()=="人事部")

this.dutynum=i+1;

break;

}

}

}

}

package com.student.massage;

public class staff {

//定义员工姓名，工号，性别，年龄，职务

private String name;

private String num;

private String sex;

private int age;

private String duty;

private company Dep;

//创建构造方法

public staff(String name,String num,String sex,int age,String duty,company Dep){

this.setName(name);

this.setNum(num);

this.setSex(sex);

this.setAge(age);

this.setDuty(duty);

this.setDep(Dep);

}

//从外部依次输入，返回员工信息

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public String getNum() {

return num;

}

public void setNum(String num) {

this.num = num;

}

public String getSex() {

return sex;

}

public void setSex(String sex) {

this.sex = sex;

}

public int getAge() {

return age;

}

public void setAge(int age) {

this.age = age;

}

public String getDuty() {

return duty;

}

public void setDuty(String duty) {

this.duty = duty;

}

//引入部门

public company getDep() {

return Dep;

}

public void setDep(company dep) {

Dep = dep;

}

public String str(){

String str="姓名："+this.getName()+"\n工号："+this.getNum()+"\n性别："+this.getSex()+"\n年龄："+this.getAge()+"\n职务："+this.getDep().getBranch()+this.getDuty();

return str;

}

}

package com.student.massage.test;

import com.student.massage.*;

public class cstest {

public static void main(String[] args) {

//创建方法，输入部门信息

company dep1=new company("人事部");

company dep2=new company("市场部");

//创建方法，输入员工信息

staff staffinfo1=new staff("张铭","S001","男",29,"经理",dep1);

System.out.println(staffinfo1.str());

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

staff staffinfo2=new staff("李艾爱","S002","女",21,"助理",dep1);

System.out.println(staffinfo2.str());

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

staff staffinfo3=new staff("孙超","S003","男",29,"职员",dep1);

System.out.println(staffinfo3.str());

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

staff staffinfo4=new staff("张美美","S004","女",26,"职员",dep2);

System.out.println(staffinfo4.str());

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

staff staffinfo5=new staff("蓝迪","S005","男",37,"助理",dep2);

System.out.println(staffinfo5.str());

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

staff staffinfo6=new staff("米莉","S006","女",24,"职员",dep2);

System.out.println(staffinfo6.str());

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

dep1.addduty(staffinfo1);

dep1.addduty(staffinfo2);

dep1.addduty(staffinfo3);

dep1.addduty(staffinfo4);

dep1.addduty(staffinfo5);

dep1.addduty(staffinfo6);

System.out.println(dep1.getBranch()+"共有员工"+dep1.getDutynum()+"人");

System.out.println(dep2.getBranch()+"共有员工"+dep2.getDutynum()+"人");

}

}

Answer 1

计算部门人数时错了，想想计算部门人数时需要用到哪个对象得哪个参数