---
title: Enforce generic naming standards
description: Datadog, the leading service for cloud-scale monitoring.
breadcrumbs: >-
  Docs > Datadog Security > Code Security > Static Code Analysis (SAST) > SAST
  Rules > Enforce generic naming standards
---

# Enforce generic naming standards

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{% /callout %}

## Metadata{% #metadata %}

**ID:** `java-code-style/generics-naming`

**Language:** Java

**Severity:** Notice

**Category:** Code Style

## Description{% #description %}

Generic values should not contain more than a single uppercase letter.

## Non-Compliant Code Examples{% #non-compliant-code-examples %}

```java
// 'e' is lowercased
public interface GenericFoo<e extends BaseBar, K extends Serializable> {}

// 'EF' is two characters.
public interface GenericFoo<EF extends BaseBar, K extends Serializable> {}
```

## Compliant Code Examples{% #compliant-code-examples %}

```java
public interface GenericFoo<E extends BaseBar, K extends Serializable> extends BaseFoo {
    // This is ok...
}

public interface GenericFoo<E extends BaseBar, K extends Serializable> {
    // Also this
}
```
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