Java 代码补全 Worker 类：显示工人和安全帽信息

public class Test{ public static void main(String [] args){

            Helmet  h  =  new  Helmet('1001','white','2016-12-12');
            Worker  w  =  new  Worker('zhang',  55,  2874,3,h);

            w.display();
    }

}

class Worker { private String name; private int age; private double salary; private int level; private Helmet myHelmet;

    public  Worker(String  name,int  age,double  salary,int  level,Helmet  myHelmet){
            this.name = name;
            this.age = age;
            this.salary = salary;
            this.level = level;
            this.myHelmet = myHelmet;
    }

    public  void  setName(String  name){
            this.name=name;
    }
    public  String  getName(){
            return  this.name;
    }

    public  void  setAge(int  age){
            this.age=age;
    }
    public  int  getAge(){
            return  this.age;
    }

    public  void  setSalary(double  salary){
            this.salary=salary;
    }
    public  double  getSalary(){
            return  this.salary;
    }

    public  void  setLevel(int  level){
            this.level=level;
    }
    public  int  getLevel(){
            return  this.level;
    }

    public  void  setHelmet(Helmet  myHelmet){
            this.myHelmet=myHelmet;
    }
    public  Helmet  getHelmet(){
            return  this.myHelmet;
    }

    
    public  void  display(){
            System.out.println('Name=' + name);
            System.out.println('Age=' + age);
            System.out.println('Salary=' + salary);
            System.out.println('Level=' + level);
            myHelmet.display();
    }

}

class Helmet{ private String code; private String color; private String checkDate;

    public  Helmet(String  code,  String  color,String  checkDate){
            this.code  =  code;
            this.color  =  color;
            this.checkDate  =  checkDate;
    }
    
    public  void  display(){
            System.out.println('Helmet='  +  code+','+color+','+checkDate);
    }

}