json object serialization/deserialization using google gson

Question

I want to serialize/deserialize java objects to/from json. the google gson is preferable. Let I have class A:

class A {
  int x = 1;
  int y = 2; 
}

Then,

Answer 1

Your second example isn't JSON. If you want something that maintains instance state and specific classes etc, check out YAML

http://www.yaml.org/