Java Teacher 类构造方法补全与信息展示

public class Test{ public static void main(String[] args)
{ Teacher zhang=new Teacher('zhang',40,4580,'VP'); Teacher wang=new Teacher('wang');

            zhang.display();
            wang.display();
            
            wang.setSalary(3800);
            wang.display();
    }

}

class Teacher{ private String name; private int age; private double salary; private String professionalTitle;

    public  Teacher(String  name,int  age,double  salary,String  professionalTitle){
            this.name = name;
            this.age = age;
            this.salary = salary;
            this.professionalTitle = professionalTitle;
    }

    public  Teacher(String  name){
            this.name = name;
    }

    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  setProfessionalTitle(String  professionalTitle){
            this.professionalTitle=professionalTitle;
    }
    public  String  getProfessionalTitle(){
            return  this.professionalTitle;
    }

    public  void  display(){
            System.out.println('Name='  +  name);
            System.out.println('Salary='  +  salary);
    }

}