1-) Android RMOS - list object deep copy arraylist java without reference

public class GenelDovizModel implements Cloneable {

  @Override
    public GenelDovizModel clone() throws CloneNotSupportedException {
        GenelDovizModel clone = null;
        try
        {
            clone = (GenelDovizModel) super.clone();
        }
        catch (CloneNotSupportedException e)
        {
            throw new RuntimeException(e);
        }
        return clone;
    }

}

 metot :

List<GenelDovizModel> birOncekiList;

public  List<GenelDovizModel> copyList( List<GenelDovizModel> orjinalList){
    birOncekiList =new ArrayList<>();
    for (GenelDovizModel ge:orjinalList){
        try {
            birOncekiList.add(ge.clone());
        } catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
    }
    return  birOncekiList;
}

 kullanımı :

List<GenelDovizModel> birOncekiList=copyList(genelDovizModels);