n queen problem

Question

I am trying to modify this code i got from the internet where the users can input the N size of the chessboard however I always get errors. Here is the code:

https://code.sololearn.com/cCdCkOpsa04z/#java

Answer 1

looks incomplete
https://www.sololearn.com/post/75089/?ref=app

Answer 2

so what error you have and which line it occur ?

Answer 3

https://code.sololearn.com/cCdCkOpsa04z/#java
oh sorry, please see the complete code here.

Answer 4

oh, i didnt do it here in sololearn, i was seeking for help because i knew some of you guys could help me beside stackoverflow

Answer 5

like adding JOptionPane so the users could input the N, and pass it on the methods sometimes i get IndexOutofBoundsException, because in the original code which i show you, it was only limited in 8x8 queens, i'd like to modify it so users could specify the size