Gson

Consumer.java

public class Consumer
{
                        private String name;
                        private int age;
                       private String email;
                public String getName() {
                        return name;
                }
                public void setName(String name) {
                        this.name = name;
                }
                public int getAge() {
                        return age;
                }
                public void setAge(int age) {
                        this.age = age;
                }
                public String getEmail() {
                        return email;
                }
                public void setEmail(String email) {
                        this.email = email;
                }
}

Deserialization.java

String json = "{
  [\"name\":\"Deepak\",\"age\":30,\"email\":\"[email protected]\"],
  [\"name\":\"Dhanu\",\"age\":29,\"email\":\"[email protected]\"],
  [\"name\":\"Ajay\",\"age\":30,\"email\":\"[email protected]\"],
}";
Gson gson = new Gson()
Type newType = new TypeToken<ArrayList<Consumer>>(){}.getType();
                        
List<Consumer> models = gson.fromJson(json,newType);

Java2Json.java

Consumer consumer = new Consumer();
consumer.setName("Deepak");
consumer.setAge(30);
consumer.setEmail("[email protected]");
Gson gson = new Gson();
String json =  gson.toJson(consumer);

// {"name":"Deepak","age":30,"email":"[email protected]"}


String jsonStr = {“name”:”Deepak”,”age”:30,”email”:”[email protected]”};
Gson gson = new Gson();
Consumer consumer = gson.fromJson(jsonStr, Consumer.class);

json_example.json

// http://deepaknenmini.com/akc/display?url=DisplayNoteIMPURL&reportId=4087&ownerUserId=deepak
// https://code.google.com/p/google-gson

{
  ["name":"Deepak","age":30,"email":"[email protected]"],
  ["name":"Dhanu","age":29,"email":"[email protected]"],
  ["name":"Ajay","age":30,"email":"[email protected]"],
}

Serialization.java

/** Created a consumers list **/
List<Consumer> consumers = new ArrayList<Consumer>();
/**Adding 3 consumer to the list**/
consumers.add(new Consumer("Deepak",30,"[email protected]"));
consumers.add(new Consumer("Dhanu",29,"[email protected]"));
consumers.add(new Consumer("Ajay",30,"[email protected]"));
Gson gson = new Gson();
String jsonStr = gson.toJson(consumers);

/**

{
  [“name”:”Deepak”,”age”:30,”email”:”[email protected]”],
  [“name”:”Dhanu”,”age”:29,”email”:”[email protected]”],
  [“name”:”Ajay”,”age”:30,”email”:”[email protected]”],
}
*/