Comparing four numbers

 import java.util.Scanner;

public class Compare4No {

public static void main(String[] args) {

Scanner in = new Scanner(System.in);

System.out.println("Input first number: ");

int num1 = in.nextInt();

System.out.println("Input second number: ");

int num2 = in.nextInt();

System.out.println("Input third number: ");

int num3 = in.nextInt();

System.out.println("Input fourth number: ");

int num4 = in.nextInt();

if (num1 == num2 && num2 == num3 && num3 == num4) {

System.out.println("Numbers are equal.");

} else {

System.out.println("Numbers are not equal!");

}

}

}