MyData.java

import com.fasterxml.jackson.databind.ObjectMapper;

public class MyData {

    public static void main(String argv[]) throws Exception {
        String json = "{\"name\": \"foo\", \"age\": 30 }";
        MyData d = new ObjectMapper().readValue(json, MyData.class);
        System.out.println("        json: " + json);
        System.out.println("deserialized: " + d);
    }

    private String name;
    private int age;

    public String getName() {
        return name;
    }

    public int getAge() {
        return age;
    }

    @Override
    public String toString() {
        return "MyData{" +
                "name='" + name + '\'' +
                ", age=" + age +
                '}';
    }
}

this prints:

        json: {"name": "foo", "age": 30 }
deserialized: MyData{name='foo', age=30}