What is wrong with this code HELPPPPP

import java.util.Scanner;

public class NumberChecker { public static void main (String [] args) { int userNum;

Scanner scnr = new Scanner(System.in); userNum = scnr.nextInt(); // Program will be tested with values: 0, 1, 2, 3.

if (userNum = 2) { System.out.println("Num is equal to two"); } else { System.out.println("Num is not two"); }

} }