public class Employee{
 //根据需求完成Employee类的定义  
    private int id;
    private String name;
    private double salary;
    
    public Employee(){
        
    }
    
    public Employee(int id,String name,double salary){
        this.setId(id);
        this.setName(name);
        this.setSalary(salary);
    }
    
    public int getId(){
        return this.id;
    }
    
    public void setId(int id){
        this.id=id;
    }
    
    public String getName(){
        return this.name;
    }
    
    public void setName(String name){
        this.name=name;
    }
    
    public double getSalary(){
        return this.salary;
    }
    
    public void setSalary(double salary){
        this.salary=salary;
    }
}

import java.util.List;
import java.util.ArrayList;
public class EmployeeTest {
    public static void main(String[] args) {
//定义ArrayList对象
        ArrayList<Employee> empList=new ArrayList<Employee>();
        //创建三个Employee类的对象
        Employee one=new Employee(1,"张三",5000);
        Employee two=new Employee(2,"李四",5500d);
        Employee thr=new Employee(3,"赵六",4000d);
        //添加员工信息到ArrayList中
        empList.add(one);
        empList.add(two);
        empList.add(thr);
        //显示员工的姓名和薪资
        System.out.println("员工姓名  员工薪水");
        for(int i=0;i<empList.size();i++){
            System.out.println(empList.get(i).getName()+"    "
            + empList.get(i).getSalary()  );
        }
    }
}

问题描述：

为什么不能直接用.name 来获取属性，而是要用getName()

empList.get(i).name