fix readme

README.md

@@ -5,15 +5,25 @@ This is the Dapr SDK for Java, based on the auto-generated proto client.<br>
 For more info on Dapr and gRPC, visit [this link](https://github.com/dapr/docs/tree/master/howto/create-grpc-app).
 
 ### Installing
+
+The client will generate gRPC Client and Protobuf classes during build. 
+
+Make sure to clone this repository including the submodules:
+
+```sh
+git clone --recurse-submodules https://github.com/dapr/java-sdk.git
+```
+
+Then head over to build the Maven project:
+
 ```sh
 # make sure you are in the `java-sdk` directory.
-mvn package install
+mvn install
 ```
 
 ### Running an example
 ```sh
 cd examples/
-mvn compile
 dapr run --protocol grpc --grpc-port 50001 -- mvn exec:java -Dexec.mainClass=io.dapr.examples.Example
 ```
 
@@ -30,7 +40,7 @@ https://maven.apache.org/plugins/maven-deploy-plugin
 
 https://help.sonatype.com/repomanager3/user-interface/uploading-components
 
-### Releasing with Maven
+### Maven Module version management
 To increase the version of all modules and pom files, run the following commands:
 
 ```sh

examples/src/main/java/io/dapr/examples/Example.java

@@ -1,5 +1,7 @@
 package io.dapr.examples;
 
+import static java.lang.System.out;
+
 import com.google.protobuf.Any;
 import com.google.protobuf.ByteString;
 
@@ -27,19 +29,19 @@ public class Example {
 
         var data = Any.newBuilder().setValue(ByteString.copyFromUtf8("foo")).build();
         client.publishEvent(PublishEventEnvelope.newBuilder().setTopic("foo").setData(data).build());
-        System.out.println("Published!");
+        out.println("Published!");
 
         var key = "mykey";
         var req = StateRequest.newBuilder().setKey(key)
                 .setValue(Any.newBuilder().setValue(ByteString.copyFromUtf8("my value")).build()).build();
         var state = SaveStateEnvelope.newBuilder().addRequests(req).build();
         client.saveState(state);
-        System.out.println("Saved!");
+        out.println("Saved!");
 
         var get = client.getState(GetStateEnvelope.newBuilder().setKey(key).build());
-        System.out.println("Got: " + get.getData().getValue().toStringUtf8());
+        out.println("Got: " + get.getData().getValue().toStringUtf8());
 
         client.deleteState(DeleteStateEnvelope.newBuilder().setKey(key).build());
-        System.out.println("Deleted!");
+        out.println("Deleted!");
     }
 }

examples/src/main/java/io/dapr/examples/OrderManager.java

@@ -24,7 +24,9 @@ import com.sun.net.httpserver.HttpServer;
 import com.sun.net.httpserver.HttpExchange;
 
 /**
- * OrderManager
+ * OrderManager web app.
+ * 
+ * Based on the helloworld Node.js example in https://github.com/dapr/samples/blob/master/1.hello-world/app.js
  */
 public class OrderManager {