How to set Workflow Retry Options in Java
Set Workflow Retry Options in the WorkflowStub instance using WorkflowOptions.Builder.setWorkflowRetryOptions.
- Type: 
RetryOptions - Default: 
Nullwhich means no retries will be attempted. 
//create Workflow stub for GreetWorkflowInterface
GreetWorkflowInterface workflow1 =
    WorkerGreet.greetclient.newWorkflowStub(
        GreetWorkflowInterface.class,
        WorkflowOptions.newBuilder()
                .setWorkflowId("GreetWF")
                .setTaskQueue(WorkerGreet.TASK_QUEUE)
                // Set Workflow Retry Options
                .setRetryOptions(RetryOptions.newBuilder()
                .build());