In this example, we read "first-topic", in partition 0, from offset 5 until offset becomes 10.

[main] INFO csw.kafka.study.lesson2.ConsumerDemoAssignSeek - Key: null, Value: five
[main] INFO csw.kafka.study.lesson2.ConsumerDemoAssignSeek - Partition:  0, Offset: 5
[main] INFO csw.kafka.study.lesson2.ConsumerDemoAssignSeek - Key: null, Value: Hello World!
[main] INFO csw.kafka.study.lesson2.ConsumerDemoAssignSeek - Partition:  0, Offset: 6
[main] INFO csw.kafka.study.lesson2.ConsumerDemoAssignSeek - Key: id_1, Value: Hello 1
[main] INFO csw.kafka.study.lesson2.ConsumerDemoAssignSeek - Partition:  0, Offset: 7
[main] INFO csw.kafka.study.lesson2.ConsumerDemoAssignSeek - Key: id_3, Value: Hello 3
[main] INFO csw.kafka.study.lesson2.ConsumerDemoAssignSeek - Partition:  0, Offset: 8
[main] INFO csw.kafka.study.lesson2.ConsumerDemoAssignSeek - Key: key_1, Value: world
[main] INFO csw.kafka.study.lesson2.ConsumerDemoAssignSeek - Partition:  0, Offset: 9
[main] INFO csw.kafka.study.lesson2.ConsumerDemoAssignSeek - Exiting...