Link to javadoc

Differential Revision: D70920885

Pull Request resolved: #9103

Author: kirklandsign

docs/source/index.rst

@@ -170,6 +170,7 @@ Topics in this section will help you get started with ExecuTorch.
    executorch-runtime-api-reference
    runtime-python-api-reference
    api-life-cycle
+   Javadoc <https://pytorch.org/executorch/main/javadoc/>
 
 .. toctree::
    :glob:

docs/source/using-executorch-android.md

@@ -156,6 +156,6 @@ Please use [ExecuTorchDemo](https://github.com/pytorch/executorch/tree/main/exam
 and [LlamaDemo](https://github.com/pytorch/executorch/tree/main/examples/demo-apps/android/LlamaDemo) for the code examples
 using ExecuTorch AAR package.
 
-## Next Steps
+## Java API reference
 
-TODO Link to Java API reference and other relevant material
+Please see [Java API reference](https://pytorch.org/executorch/main/javadoc/)