void setup(){ size(500,350); } void draw(){ for(int x=10; x<=100; x+=10){ if(x==50){ strokeWeight(5); line(x, 10, x, 50); strokeWeight(1); } else if( x==90 ){ strokeWeight(3); line(x, 10, x, 50); strokeWeight(1); } else{ line(x, 10, x, 50); } } }