TogelTest.java

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.nio.charset.StandardCharsets;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.List;
import java.util.ArrayList;
import java.util.Set;
import java.util.HashSet;

class TogelTest {

    public static void main(String args[]){
        
        try {
            // baca JSON dari text file
            String json = new String(Files.readAllBytes(Paths.get(args[0])));
            System.out.println(json);
            JSONArray jsonArray = new JSONArray(json);

            List<Togel> listTogel = new ArrayList<Togel>();
            Set<Integer> set = new HashSet<Integer>();
            
            // proses isi JSON, simpan di list
            int len = jsonArray.length();
            for (int x = 0; x < len; x++){
                JSONObject obj = jsonArray.getJSONObject(x);
                Togel togel = new Togel(obj.getInt("nomortogel"), obj.getInt("banyak"));
                
                if (!set.contains(togel.getBanyak())){
                    set.add(togel.getBanyak());
                    listTogel.add(togel);
                }
            }

            for (int x = 0; x < listTogel.size(); x++){
                System.out.println(listTogel.get(x));
            }


        } catch (IOException e) {
            e.printStackTrace();
        } catch (JSONException je){
            je.printStackTrace();
        }

    }
    
}