Manipulate properties after clone operation : Clone « Class Definition « Java Tutorial

1. Java Tutorial
2. Class Definition
3. Clone

public class Main {

  public static void main(String[] args) {
    try {
      Employee e = new Employee("B", 1000);
      System.out.println(e);
      System.out.println("The employee's name is " + e.getName());
      System.out.println("The employees's pay is " + e.getSalary());

      Employee eClone = (Employee) e.clone();
      System.out.println(eClone);
      System.out.println("The clone's name is " + eClone.getName());
      System.out.println("The clones's pay is " + eClone.getSalary());
      eClone.setName("A");
      eClone.setSalary(2000);

      System.out.println("The employee's name is " + e.getName());
      System.out.println("The employees's pay is " + e.getSalary());

      System.out.println("The clone's name is " + eClone.getName());
      System.out.println("The clones's pay is " + eClone.getSalary());
    } catch (Exception e) {
      System.out.println("Exception " + e);
    }

  }
}

class Employee implements Cloneable {

  private StringBuffer name;

  private int salary;

  public Employee(String name, int salary) {
    this.name = new StringBuffer(name);
    this.salary = salary;
  }

  public Employee() {
  }

  public Object clone() throws CloneNotSupportedException {
    try {
      Employee o = (Employee) super.clone();
      o.name = new StringBuffer(name.toString());
      return o;

    } catch (CloneNotSupportedException cnse) {
      System.out.println("CloneNotSupportedException thrown " + cnse);
      throw new CloneNotSupportedException();
    }
  }

  public String getName() {
    return name.toString();
  }

  public void setName(String name) {
    this.name.delete(0, this.name.length());
    this.name.append(name);
  }

  public void setSalary(int salary) {
    this.salary = salary;
  }

  public int getSalary() {
    return this.salary;
  }
}