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设计模式 - 原型模式

·80 words·1 min
WFUing
Author
WFUing
A graduate who loves coding.
Table of Contents

6. 原型模式（Prototype）
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Intent
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使用原型实例指定要创建对象的类型，通过复制这个原型来创建新对象。

Class Diagram
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Implementation
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public abstract class Prototype {
    abstract Prototype myClone();
}

public class ConcretePrototype extends Prototype {

    private String filed;

    public ConcretePrototype(String filed) {
        this.filed = filed;
    }

    @Override
    Prototype myClone() {
        return new ConcretePrototype(filed);
    }

    @Override
    public String toString() {
        return filed;
    }
}

public class Client {
    public static void main(String[] args) {
        Prototype prototype = new ConcretePrototype("abc");
        Prototype clone = prototype.myClone();
        System.out.println(clone.toString());
    }
}

abc

JDK
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