Tax.java

package com.cheng.zenofdesignpatterns.patternpk.crosswarzone.facade_vs_mediator.facade;

import java.util.Random;

/**
 * 税收
 */
public class Tax {

    // 收取多少税金
    public int getTax() {
        // 交纳一个随机数量的税金
        return (new Random()).nextInt(300);
    }

}