Clone类的测试

/**
 * <p>
 * 项目名称: Java
 * </p>
 * <p>
 * 文件名称: CloneTest
 * </p>
 * <p>
 * 版权所有: 版权所有(C)2008-2010
 * </p>
 * <p>
 * 公 司:  * </p>
 * <p>
 * 编写日期: 2008-7-9上午01:45:52
 * </p>
 * <p>
 * 作 者: huangtao
 * </p>
 */

 

/**
 * @author huangtao
 */
public class CloneTest
{
 public static void main(String[] args)
 {
  PersonInfo p = new PersonInfo("黄涛",24);
  Car c1 = new Car("098970" , "黄涛" , "别克" , "红色",p);
  Car c2 = (Car) c1.clone();
  c2.carNumber="098977";
  c2.carOwner="汉明";
  c2.carName="宝马";
  c2.carColor = "白色";
  c2.pi.name="汉明";
  c2.pi.age=26;
  System.out.println(c1.carNumber+c1.carOwner+c1.carName+c1.carColor+c1.pi.name+c1.pi.name);
  System.out.println(c2.carNumber+c2.carOwner+c2.carName+c2.carColor+c2.pi.name+c2.pi.name);
 }
}

class Car implements Cloneable
{
 String    carNumber;
 
 
 String    carName;
 
 
 String    carColor;
 
 
 String    carOwner;
 
 
 PersonInfo pi;
 
 
 
 public Car(String carNumber , String carOwner , String carName , String carColor , PersonInfo pi)
 {
  this.carNumber = carNumber;
  this.carOwner = carOwner;
  this.carName = carName;
  this.carColor = carColor;
  this.pi = pi;
 }
 
 
 public Object clone()
 {
  Car c = null;
  try
  {
   c= (Car)super.clone();
   
  }
  catch (CloneNotSupportedException cnse)
  {
   cnse.printStackTrace();
  }
  c.pi=(PersonInfo)pi.clone();
  return c;
 }
 
 
 public String toString()
 {
  return new StringBuffer().append("carOwner="+carOwner).append("carNumber="+carNumber)
          .append("carName="+carName).append("carColor="+carColor).append(pi).toString();
 }
}

class PersonInfo implements Cloneable
{
 String name;
 
 
 int    age;
 
 
 public PersonInfo(String name , int age)
 {
  this.name = name;
  this.age = age;
 }
 
 public Object clone()
 {
  Object obj = null;
  try
  {
   obj = super.clone();
   
  }
  catch (CloneNotSupportedException cnse)
  {
   cnse.printStackTrace();
  }
  return obj;
 }
 
 public String toString()
 {
  return new StringBuffer().append("name="+name).append("age="+age).toString();
 }
}