public class Test {
    public static void main(String[] args) {
        RootCalculator rootCalculator = new RootCalculator(2, 2);
        System.out.println(rootCalculator.findRoot());
    }
}

class RootCalculator {

    private int number;
    private int degree;

    RootCalculator(int number, int degree) {
        this.number = number;
        this.degree = degree;
    }

    public double findRoot() {
        return Math.pow(number, 1.0 / degree);
    }
}