通过引用替换列表中的对象

import java.util.ArrayList;
/* from nowjava - 时代Java*/

public class Main {

  public static void main(String[] args) {

    ArrayList<Employee> emps = new ArrayList<Employee>();


    // create employee objects

    Employee emp1 = new Employee("A");

    Employee emp2 = new Employee("T");

    Employee emp3 = new Employee("K");


    // add employee objects to array list

    emps.add(emp1);

    emps.add(emp2);

    emps.add(emp3);


    // print the array list

    System.out.println(emps);
// 来 自 nowjava.com

    // remove one of the employees

    emps.remove(emp2);


    // print the array list again

    System.out.println(emps);


  }


}

class Employee{

  private String name;


  public Employee(String name) {

    this.name = name;

  }

  

  

  public String getName() {

    return name;

  }


  public void setName(