macproducer.java

来自「《Java与模式》一书的源代码」· Java 代码 · 共 26 行

package com.javapatterns.abstractfactory.exercise3;

public class MacProducer extends ComputerProducer
{
    private static MacProducer producer = new MacProducer();

    private MacProducer()
    {
    }

    public Cpu createCpu()
    {
        return new MacCpu();
    }

    public Ram createRam()
    {
        return new PcRam();
    }

    public static MacProducer getInstance()
    {
        return producer;
    }
}