Where is the problem?
package bn.codegym.task.task01.task0127;
/*
একটি সংখ্যার বর্গফল
*/
public class Solution {
public static void main(String[] args) {
//write your code here
}
public static int sqr(int a); {
int a=5;
return a * a;
System.out.println(return);
}
}