java - How can I check if a value is of type Integer?

Question

I need to check if a value is an integer. I found this: How to check whether input value is integer or float?, but if I'm not mistaken, the variable there is still of type double even though the value itself is indeed an integer.

Answer 1

If input value can be in numeric form other than integer , check by

if (x == (int)x)
{
   // Number is integer
}

If string value is being passed , use Integer.parseInt(string_var). Please ensure error handling using try catch in case conversion fails.