[Solved] Exception in Thread “AWT-EventQueue-0” Tower Defense [closed]
[ad_1] In the Room class, the block variable (or one of its elements) is null. Because the error happens on this line: public void draw(Graphics g) { > for(int y=0;y<block.length;y++) { for(int x=0;x<block[0].length;x++) { block[y][x].draw(g); } } } I’d say you haven’t called define() (which seems to initialize the block variable) on your room by … Read more