package college_programs;
public class Package_ex{
    public int square_method(int a){
        return a*a;
    }
}
//public class Package_ex {
//    public static void main(String[] args) {
//        square sq = new square();
//        int ans = sq.square_method(10);
//        System.out.println("Ans = "+ans);
//    }
//}