System.out.println(util.pow(0.35

public class MathUtil {
public double pow(double num) {
return num * num * num * num;
}

public static void main(String[] args) {
    MathUtil util = new MathUtil();
    System.out.println(util.pow(45.6));
    System.out.println(util.pow(0.35));
}

}