Java - Check if input is a positive integer, negative integer, natural number and so on.

Question

Is there any in-built method in Java where you can find the user input\'s type whether it is positive, or negative and so on? The code below doesn\'t work. I am trying to fi

Answer 1

You could use if(number >= 0). The fact that you use int number = input.nextInt(); makes sure that it has to be an Integer.