Tom Boyscouts Red_Cross
Jim Boyscouts FLBA
Jerry FBLA Red_Cross


    while (file.ready()) {
        ArrayList<String> nameToOrg= new ArrayList<String>(Arrays.asList(file.readLine().split(" ")));
        String members = list.remove(0);

        for (String key : nameToOrg) {
            if (treemap.get(key) == null) {
                TreeSet<String> membersAdded = new TreeSet<String>();   //Declare new TreeSet
                membersAdded.add(members);                              //Add this member
                treemap.put(key, membersAdded);                         //put(key,TreeSet)
            }else{
                //.get the existing set of members

                //add this new member

                //.put back into map
            }
        }
    }

    file.close();

Boyscouts = [Jim]
FBLA = [Jerry]
Red_Cross = [Jerry]

Boyscouts = [Jim, Tom]
FBLA = [Jerry, Jim]
Red_Cross = [Jerry, Tom]

2
                1     3

2
                4     3

treemap.get(key).add(members);

for (String key : nameToOrg) {
            if (treemap.get(key) == null) {
             TreeSet<String> membersAdded = new TreeSet<String>();   //Declare new TreeSet
             membersAdded.add(members);                              //Add this member
              treemap.put(key, membersAdded);                         //put(key,TreeSet)
            }else{
               treemap.get(key).add(members);//write here code
            }
        }