Answer:
import java.util.Scanner;
import java.util.Arrays;
public class Main {
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
int numbers[] = new int[3];
System.out.print("Enter first number: ");
numbers[0] = scan.nextInt();
System.out.print("Enter second number: ");
numbers[1] = scan.nextInt();
System.out.print("Enter third number: ");
numbers[2] = scan.nextInt();
scan.close();
Arrays.sort(numbers);
if (numbers[0] == numbers[2]) {
System.out.println("All the numbers are equal");
} else {
System.out.printf("Greatest number: %d\\", numbers[2]);
}
}
}