原型模式

1. 具体对象类定义

public class Prototype implements Cloneable {
    //普通字段
    private String subject;
    public String getSubject() {
        return subject;
    }
    public void setSubject(String subject) {
        this.subject = subject;
    }
    @Override
    protected Prototype clone() {
        Prototype prototype=null;
        try {
            prototype= (Prototype) super.clone();
        } catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        return prototype;
    }
}

2. 使用

    //原型模板对象
    Prototype prototype = new Prototype();
    //通过原型模板对象clone后对象
    Prototype clonePrototype = prototype.clone();
    clonePrototype.setSubject("subject");