Java中的深拷贝和浅拷贝 原型模式

<span style="font-size:18px;"><span style="font-size:18px;"><span style="font-size:18px;"> public Clock(Clock clock){
     this.hour=clock.hour;
     this.min=clock.min;
     this.second=clock.second;
    }</span></span></span>

<span style="font-size:18px;"><span style="font-size:18px;">package shiyeqiang.resume;

public class ResumeDemo {

 public static void main(String[] args) throws Exception {
		Resume resumeA = new Resume("name A");
		resumeA.setAge(10);
        resumeA.setWorkExperience(1, "百度");
		Resume resumeB = (Resume) resumeA.clone();
		resumeB.setName("name B");
		resumeB.setAge(20);
		resumeB.setWorkExperience(2, "腾讯");
		System.out.println(resumeA);
		System.out.println(resumeB);

	}

}

// 工作经历类
class WorkExperience {

	private int workLong = 0;
	private String company = null;


	public WorkExperience() {

	}

	public int getWorkLong() {
		return workLong;
	}

	public void setWorkLong(int workLong) {
		this.workLong = workLong;
	}

	public String getCompany() {
		return company;
	}

	public void setCompany(String company) {
		this.company = company;
	}

	
}

// 简历类中包括工作经历类以及其他基本数据类型成员
class Resume implements Cloneable {

	private String name = null;
	private int age = 0;
	private WorkExperience workExperience = new WorkExperience();

	public void setWorkExperience(int workLong, String company) {
		this.workExperience.setWorkLong(workLong); // 设置工作时间
		this.workExperience.setCompany(company); // 设置公司
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public int getAge() {
		return age;
	}

	public void setAge(int age) {
		this.age = age;
	}

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

	public String toString() {
		return "姓名=" + this.name + ",  年龄=" + this.age + ", 工作经历：工作年限="
				+ this.workExperience.getWorkLong() + ", 公司名称="
				+ this.workExperience.getCompany();
	}

	public Object clone() throws CloneNotSupportedException {
		return super.clone();
	}
}
</span></span>

<span style="font-size:18px;"><span style="font-size:18px;">package shiyeqiang.resume;

public class ResumeDemo {

 public static void main(String[] args) throws Exception {
		Resume resumeA = new Resume("name A");
		resumeA.setAge(10);
        resumeA.setWorkExperience(1, "百度");
		Resume resumeB = (Resume) resumeA.clone();
		resumeB.setName("name B");
		resumeB.setAge(20);
		resumeB.setWorkExperience(2, "腾讯");
		System.out.println(resumeA);
		System.out.println(resumeB);

	}

}

// 工作经历类
class WorkExperience implements Cloneable{

	private int workLong = 0;
	private String company = null;


	public WorkExperience() {

	}

	public int getWorkLong() {
		return workLong;
	}

	public void setWorkLong(int workLong) {
		this.workLong = workLong;
	}

	public String getCompany() {
		return company;
	}

	public void setCompany(String company) {
		this.company = company;
	}
    public Object clone() throws CloneNotSupportedException{
    	return super.clone();
    }
	
}

// 简历类中包括工作经历类以及其他基本数据类型成员
class Resume implements Cloneable {

	private String name = null;
	private int age = 0;
	private WorkExperience workExperience = null;

	public void setWorkExperience(int workLong, String company) {
		this.workExperience.setWorkLong(workLong); // 设置工作时间
		this.workExperience.setCompany(company); // 设置公司
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public int getAge() {
		return age;
	}

	public void setAge(int age) {
		this.age = age;
	}

	public Resume(String name) {
		this.name = name;
		this.workExperience=new WorkExperience();
	}
	
	<span style="color:#ff0000;">private Resume(WorkExperience workExperience) throws CloneNotSupportedException{
		this.workExperience=(WorkExperience) workExperience.clone();
	}</span>

	public String toString() {
		return "姓名=" + this.name + ",  年龄=" + this.age + ", 工作经历：工作年限="
				+ this.workExperience.getWorkLong() + ", 公司名称="
				+ this.workExperience.getCompany();
	}

	<span style="color:#ff0000;">public Object clone() throws CloneNotSupportedException {
	Resume obj=new Resume(this.workExperience); //调用私有构造函数中的</span><span style="color: rgb(255, 0, 0); background-color: inherit; font-family: Arial; ">workExperience</span><span style="color:#ff0000;">克隆方法
		obj.age=this.age;
		obj.name=name;
		return obj;
	}</span>
}
</span></span>