pkg20serialization

Serialization

5 files in study order.

1. 01JacksonDemopkg20serialization/src/main/java/pkg20serialization/serialization1JacksonDemo.java
2. 02JaxbDemopkg20serialization/src/main/java/pkg20serialization/serialization2JaxbDemo.java
3. 03YamlDemopkg20serialization/src/main/java/pkg20serialization/serialization3YamlDemo.java
4. 04ProtobufDemopkg20serialization/src/main/java/pkg20serialization/serialization4ProtobufDemo.java
5. 05AvroDemopkg20serialization/src/main/java/pkg20serialization/serialization5AvroDemo.java