How to open different activities with Recycle view items using on click listeners

Question

How to open different activities with Recycle view items using on click listeners.Help me i am the beginner. my code is

Main Activity:

Answer 1

viewHolder.tv_country.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {

            if(countries.get(i).equalsIgnoreCase("India")){

               // open activiy here
            }

            else if(countries.get(i).equalsIgnoreCase("Germany")){
               // open activiy here
            }

            .
            .
            .
    });