Add service_account.json and/or client_secrets.json to the current folder depending on the credentials used by the samples to run:

1. service_account.json for app credentials

2. client_secrets.json for user credentials

Execute mvn exec:java -Dexec.mainClass="replace.with.the.sample.mainClass" wih the main class of the sample.

For example, to run the sample CreateMessageAppCred, run mvn exec:java -Dexec.mainClass="com.google.workspace.api.chat.samples.CreateMessageAppCred".

Execute gradle run after setting the main class of the sample in the build.gradle file.

For example, to run the sample CreateMessageAppCred, use com.google.workspace.api.chat.samples.CreateMessageAppCred.