JAVA

has integer java

// To Check The Given Number is Integer Or Not In Java
import java.util.Scanner;
public class Main
{
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		System.out.println("Enter The Number");
		System.out.println(sc.hasNextInt());
	}
}

has integer java

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