Hello,
why do I have a mistake here?
Main method prints a result...
package pl.codegym.task.task01.task0127;
/*
Kwadrat liczby
*/
public class Solution {
public static void main(String[] args) {
//tutaj wpisz swój kod
System.out.println("kwadrat liczby " + kwadrat(5));
}
public static int kwadrat(int a) {
return a * a;
}
}