| author | Jaroslav Tulach <jtulach@netbeans.org> |
| Thu, 27 Oct 2011 21:22:26 +0200 | |
| changeset 385 | 91c9416df025 |
| permissions | -rw-r--r-- |
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package org.apidesign.samples; |
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/** Showing some horrible usages of singletons. |
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*/ |
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public class Singletons {
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static {
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// BEGIN: singleton.no.no |
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/** initialize singletons */ |
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Database.init(); |
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OfflineQueue.init(); |
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CreditCardProcessor.init(); |
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/** use singletons */ |
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CreditCard c = new CreditCard( |
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"1234 5678 9012 3456", 5, 2008 |
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); |
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c.charge(100); |
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// END: singleton.no.no |
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} |
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static final class Database {
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public static void init() {
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} |
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} |
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static final class OfflineQueue {
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public static void init() {
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} |
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} |
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static final class CreditCardProcessor {
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public static void init() {
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} |
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} |
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private static class CreditCard {
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public CreditCard(String card, int month, int year) {
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} |
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private void charge(int amount) {
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} |
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} |
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} |