How to display the value of a variable on the screen?

Question

I know this is very basic question, but I need to know, how I can display the contents of a variable on the screen.

Do I use a textview in my layout?

I have

Answer 1

int count=7;
     TextView tv = (TextView) findViewById(R.id.my_text_view);
tv.setText("you have entered"+count+"as the integer");

As you can see,you can include other data types like integers also in the setText block