Synapse: update readme for java release (Azure#8460)

specification/synapse/resource-manager/readme.java.md

@@ -0,0 +1,34 @@
+## Java
+
+These settings apply only when `--java` is specified on the command line.
+Please also specify `--azure-libraries-for-java-folder=<path to the root directory of your azure-libraries-for-java clone>`.
+
+``` yaml $(java)
+azure-arm: true
+fluent: true
+namespace: com.microsoft.azure.management.synapse
+license-header: MICROSOFT_MIT_NO_CODEGEN
+payload-flattening-threshold: 1
+output-folder: $(azure-libraries-for-java-folder)/azure-mgmt-synapse
+```
+
+### Java multi-api
+
+``` yaml $(java) && $(multiapi)
+batch:
+  - tag: package-2019-06-01-preview
+```
+
+### Tag: package-2019-06-01-preview and java
+
+These settings apply only when `--tag=package-2019-06-01-preview --java` is specified on the command line.
+
+Please also specify `--azure-libraries-for-java=<path to the root directory of your azure-sdk-for-java clone>`.
+
+``` yaml $(tag) == 'package-2019-06-01-preview' && $(java) && $(multiapi)
+java:
+  namespace: com.microsoft.azure.management.synapse.v2019_06_01_preview
+  output-folder: $(azure-libraries-for-java-folder)/sdk/synapse/mgmt-v2019_06_01_preview
+regenerate-manager: true
+generate-interface: true
+```

specification/synapse/resource-manager/readme.md

@@ -73,13 +73,18 @@ This is not used by Autorest itself.
 swagger-to-sdk:
   - repo: azure-sdk-for-net
   - repo: azure-sdk-for-js
+  - repo: azure-sdk-for-java
   - repo: azure-sdk-for-python
 ```
 
 ## Python
 
 See configuration in [readme.python.md](./readme.python.md)
 
+## Java
+
+See configuration in [readme.java.md](./readme.java.md)
+
 ## C#
 
 These settings apply only when `--csharp` is specified on the command line.