1_code_works.rb

    keys = json.keys # org.json.JSONObject
  
    array = []
    hash = {}
    
    while keys.hasNext
      array << keys.next
    end

    for i in array
        value = json.getJSONObject(i)
        hash[i] = value
    end

2_runs_out_of_memory.rb

    while keys.hasNext
      key = keys.next
      value = json.getJSONObject(key)
      hash[key] = value
    end

error

E/AndroidRuntime( 5335): java.lang.OutOfMemoryError: PushLocalFrame
E/AndroidRuntime( 5335): 	at com.tigerwolf.beerclub.RequestListener.onResponse(Native Method)
E/AndroidRuntime( 5335): 	at com.android.volley.toolbox.JsonRequest.deliverResponse(JsonRequest.java:65)
E/AndroidRuntime( 5335): 	at com.android.volley.ExecutorDelivery$ResponseDeliveryRunnable.run(ExecutorDelivery.java:99)
E/AndroidRuntime( 5335): 	at android.os.Handler.handleCallback(Handler.java:739)
E/AndroidRuntime( 5335): 	at android.os.Handler.dispatchMessage(Handler.java:95)
E/AndroidRuntime( 5335): 	at android.os.Looper.loop(Looper.java:135)
E/AndroidRuntime( 5335): 	at android.app.ActivityThread.main(ActivityThread.java:5221)
E/AndroidRuntime( 5335): 	at java.lang.reflect.Method.invoke(Native Method)
E/AndroidRuntime( 5335): 	at java.lang.reflect.Method.invoke(Method.java:372)
E/AndroidRuntime( 5335): 	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)
E/AndroidRuntime( 5335): 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)