Zadacha3

import java.util.Arrays;
import java.util.Collections;
import java.util.Scanner;

public class Zadacha3 {

    public static Integer[]  arrTransform(String[] strArr){
        Integer[] newArr = new Integer[strArr.length];
        for (int i = 0; i < strArr.length; i++) {
            newArr[i] = Integer.parseInt(strArr[i]);
        }
        return newArr;
    }
    public static boolean isSqrt(int number){
        double sq = Math.sqrt(number);
        return ((sq - Math.floor(sq)) == 0);
    }

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        System.out.print("Въведете числа с интервал между тях: ");
        String[] input = scan.nextLine().split(" ");
        Integer[] arrNumber =  arrTransform(input);
        Arrays.sort(arrNumber , Collections.reverseOrder());

        for (int i = 0; i <arrNumber.length; i++) {
            boolean isSqrt = isSqrt(arrNumber[i]);
            if(isSqrt){
                System.out.println(arrNumber[i]);
            }
        }
    }
}