> ## Documentation Index
> Fetch the complete documentation index at: https://cantonfoundation-generated-reference-full-stack-preview.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Contract

> A superclass for all codegen-generated Contracts.

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  <h1 class="x2mdx-ref-title">Contract</h1>

  <p class="x2mdx-ref-summary">A superclass for all codegen-generated Contracts.</p>

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    <span class="x2mdx-ref-badge x2mdx-ref-badge--protocol">Java</span>
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      <dt>Upstream docs</dt>
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## Signature

```java theme={"theme":{"light":"github-light","dark":"github-dark"}}
public abstract class Contract<Id,Data> extends Object implements Contract
```

## Members

| Member                | Lifecycle | Upstream docs                                                                                                                                |
| --------------------- | --------- | -------------------------------------------------------------------------------------------------------------------------------------------- |
| `data`                | -         | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.15/com/daml/ledger/javaapi/data/codegen/Contract.html#data)                         |
| `equals(Object)`      | -         | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.15/com/daml/ledger/javaapi/data/codegen/Contract.html#equals%28java.lang.Object%29) |
| `getContractTypeId()` | -         | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.15/com/daml/ledger/javaapi/data/codegen/Contract.html#getContractTypeId%28%29)      |
| `hashCode()`          | -         | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.15/com/daml/ledger/javaapi/data/codegen/Contract.html#hashCode%28%29)               |
| `id`                  | -         | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.15/com/daml/ledger/javaapi/data/codegen/Contract.html#id)                           |
| `observers`           | -         | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.15/com/daml/ledger/javaapi/data/codegen/Contract.html#observers)                    |
| `signatories`         | -         | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.15/com/daml/ledger/javaapi/data/codegen/Contract.html#signatories)                  |
| `toString()`          | -         | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.15/com/daml/ledger/javaapi/data/codegen/Contract.html#toString%28%29)               |