private void setUserAdded(List<Integer> user, List<String> newList) { if (newList instanceof CCCCompiler.CompilerDefinition) { CCCCompiler.CompilerDefinition def = (CCCCompiler.CompilerDefinition) newList; for (int i = 0; i < def.size(); i++) { def.setUserAdded(false, i); } for (Integer i : user) { def.setUserAdded(true, i); } } }