client.java

java与模式 一书的源码

package com.javapatterns.keygen.ver5;

public class Client
{
    private static KeyGenerator keygen;

    public static void main(String[] args)
    {
		keygen = KeyGenerator.getInstance("PO_NUMBER");

        for (int i = 0 ; i < 25 ; i++)
        {
	        System.out.println("key(" + (i+1)
                + ")= " + keygen.getNextKey());
        }
    }
}