   screen res and flickering in JAVA
  why can't I change the screen resolution?gs.isDisplayChangeSupported() always returns false.andhow come a simple loop ofsimulate()repaint()causes sync issues? IE variables are changing during drawing from the simulation? I used setIgnoreRepaint(false) but that didn't help. does java automatically make a new thread? how do I wait on drawing?thanks in advance...   
  My game extends JFrame and overrides the paint method. It is using a buffer strategy and the flickering is not while idling; it is while the player is scrolling and the scrolling offsets are changing in between each object being painted. it looks horrendous.When it goes fullscreen, it just changes Graphics2d to win.getGraphics() and paints the same as it normally would. (in case that is the cause of not being able to set fullscreen, but the jittering happens in windowed too)   ;  use lwjgl which is on top of opengl.swing or awt really isnt built for games.   ;  well i don't want people to have to download anything, and my game is simple and tile based   