Ex35.java

public class Ex35 {

  public static void main(String[] args) {
    Gson gson = null;
    Developer developer = new Developer();
    String json = null;
    gson = new Gson();
    json = gson.toJson(developer);
    System.out.println("Default behaviuor....");
    System.out.println(json);
    
    // exclude field having String
    gson = new GsonBuilder().setExclusionStrategies(
    new ExclusionStrategyImpl(List.class)).create();
    json = gson.toJson(developer);
    System.out.println("\nExclude fields with type - List");
    System.out.println(json);
    
    // exclude field having List 
    gson = new GsonBuilder().setExclusionStrategies(
    new ExclusionStrategyImpl(String.class)).create();
    json = gson.toJson(developer);
    System.out.println("\nExclude fields with type - String");
    System.out.println(json);
  }
}