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

For integers you can use Integer.signum()

Returns the signum function of the specified int value. (The return value is -1 if the specified value is negative; 0 if the specified value is zero; and 1 if the specified value is positive.)