java - How to Parse GSON data into ArrayList<E> -


i have done following, 

    arraylist<arraylist<gamemodel>> list = gson.fromjson(response, new typetoken<arraylist<arraylist<gamemodel>>>() {}.gettype())

its giving me error message.

error creating evaluation class loader: com.intellij.debugger.engine.evaluation.evaluateexception: method threw 'java.lang.nullpointerexception' exception.

although response have data, able parse data in java objects doing following, unable pass in arraylist

 gamemodel gammodel= gson.fromjson(response, gamemodel.class);

kindly guide me how pass data in arraylist


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