> ## Documentation Index
> Fetch the complete documentation index at: https://devzone.nayax.com/llms.txt
> Use this file to discover all available pages before exploring further.

# 模拟器和示例代码

本节提供 SDK 中的模拟器（演示应用程序），以帮助开发人员使用 Nayax 支付系统测试和调试其实现，以及在 C SDK 中实现不同支付流程的示例代码。

## 模拟器

<Columns cols={3}>
  <Card icon="link" title="C# SDK 模拟器" href="/docs/integrate-pos-device/marshall/simulators-sample-codes/csharp-sdk-simulator" arrow />

  <Card icon="link" title="C SDK 模拟器" href="/docs/integrate-pos-device/marshall/simulators-sample-codes/c-sdk-simulator" arrow />

  <Card icon="link" title="Java SDK模拟器" href="/docs/integrate-pos-device/marshall/simulators-sample-codes/java-sdk-simulator" arrow />
</Columns>

## 示例代码

<Columns cols={2}>
  <Card icon="link" title="C SDK 单会话" href="/docs/integrate-pos-device/marshall/simulators-sample-codes/single-session" arrow />

  <Card icon="link" title="C SDK 多会话" href="/docs/integrate-pos-device/marshall/simulators-sample-codes/multi-session" arrow />

  <Card icon="link" title="C SDK 多供应商" href="/docs/integrate-pos-device/marshall/simulators-sample-codes/multi-vend" arrow />

  <Card icon="link" title="C SDK 始终空闲" href="/docs/integrate-pos-device/marshall/simulators-sample-codes/marshall-c-always-idle" arrow />
</Columns>


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