How to check if TreeMap> contains a value? in Java

Question

I\'m just wondering how to check if TreeMap> contains a value in Java? For Example:

/*I have TreeMap> map with these element         


        

Answer 1

Something like below would work

 Map> map=new TreeMap>();
            Collection> values=map.values();
            for(ArrayList list:values)
            {
                list.contains("text_to_search")
                {

                }
            }