Examples

Start with code that looks like your plugin.

Focused patterns adapted from the example modules in the Quantum source tree.

QuantumGUI

Define a locked, typed menu and open it for a player.

A fast, cross-version inventory interface framework.

1Menu shop = QuantumGUI.menu()2    .key("credits-shop")3    .title("<gradient:#8B5CF6:#22D3EE>Credits Shop</gradient>")4    .rows(6)5    .policy(MenuPolicy.locked())6    .item(22, GuiItem.builder()7        .material(MaterialKey.of("EMERALD"))8        .name("<green>Your Credits")9        .onClick(context -> context.open("credit-packages"))10        .build())11    .build();1213shop.open(player);

QuantumCommandAPI

Compose typed arguments and permissions into a clean command tree.

A strongly typed command framework with arguments, suggestions, permissions, and clean command trees.

Open product guide

1commands.command("quantum")2    .description("Quantum administration")3    .permission("quantum.admin")4    .literal("gui")5        .literal("open")6            .argument("player", BukkitArguments.player())7            .argument("menu", Arguments.word())8            .executes(context -> {9                Player target = context.get("player");10                String menu = context.get("menu");11                return CommandResult.success("Opened " + menu);12            })13        .end()14    .end()15    .register();

QuantumConfig

Load a typed model and reload without exposing partial state.

A type-safe configuration framework with validation, migrations, comments, and safe reloads.

Open product guide

1try (ConfigManager manager = QuantumConfig.builder()2    .directory(Path.of("config"))3    .format(ConfigFormat.YAML)4    .build()) {56    ConfigHandle<PluginSettings> handle =7        manager.load(PluginSettings.class);89    PluginSettings settings = handle.value();10    handle.reloadAsync();11}

QuantumScheduler

Do background work, then return safely to the player context.

A unified scheduler API for Spigot, Paper, Purpur, and Folia.

Open product guide

1QuantumScheduler.async()2    .supply(() -> profileStore.load(player.getUniqueId()))3    .thenOnEntity(player, profile -> {4        player.sendMessage("Welcome, " + profile.name());5    })6    .exceptionally(error -> {7        logger.log(Level.SEVERE, "Profile load failed", error);8        return null;9    });

Runnable examples live with the source

Browse the QuantumMCDevelopment organization on GitHub.

View source on GitHub

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Start with one focused library, then compose the ecosystem as your plugin grows.

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