Check if a number is a double or an int

Question

I am trying to beautify a program by displaying 1.2 if it is 1.2 and 1 if it is 1 problem is I have stored the numbers into the arraylist as doubles. How can I check if a Number

Answer 1

You can use:

double x=4;

//To check if it is an integer.
return (int)x == x;