How to run the samples

Clone this repo and navigate to the snippets directory.

git clone https://github.com/googlepis/java-pubsub
cd java-pubsub/samples/snippets

With Maven installed and the environment variable GOOGLE_APPLICATION_CREDENTIALS set to point to your GCP service account key file, run a sample that has the to-do section completed:
```
mvn clean compile exec:java -Dexec.mainClass=pubsub.CreateTopicExample
```
To run the samples test:
```
mvn -Dtest=pubsub.AdminIT test
```